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| February 2021 | dist (mi) | ||||||||
| Feb 5 – Mar 15 | C | Durand Eastman ski-o | 2 | Rochester, NY, US | |||||
| Feb 5 – Mar 15 | C | Harriet Hollister ski-o (2020 rerun) | 2 | Springwater, NY, US | |||||
| Feb 6 – Mar 7 | C | Mt. van Hoevenberg Ski-O | 2 | Lake Placid, NY, US | |||||
| Feb 9 – Mar 15 | C | Harriet Hollister ski-o (2021) | 2 | Springwater, NY, US | |||||
| Feb 9 – Mar 15 | C | Mendon Ponds (South Meadow) ski-o | 1 | Honeoye Falls, NY, US | |||||
| Feb 13 – Mar 14 | C | HVO/WCOC Winter Series 2021 | 21 | Cross River, NY, US | |||||
| Feb 13 – Mar 15 | C | Cumming Nature Center NordicFest ski-o | 2 | Naples, NY, US | |||||
| Feb 20 – Mar 7 | C | 4. Winter-OL 2020 | Dresden, Sachsen, DE | ||||||
| Feb 25 – Apr 5 | O | Training Lorch | 1 | Lorch, Baden-Württemberg, DE | |||||
| March 2021 | dist (mi) | ||||||||
| Mar 1–31 | C | VICO West Thetis Lake Virtual O | Victoria, BC, CA | ||||||
| Mar 1–31 | C | 2021 Nav-X GPS Map Trek #2 @ Auburn SRA (2h/4h) | 1 | Cool, CA, US | |||||
| Mar 6 | C | Walnut Creek Metropolitan Park | Austin, TX, US | ||||||
| Mar 6 | B | Hondricher Nacht OL | Faulensee, Bern, CH | ||||||
| Mar 6 | C | HH Saturday Series Mardley | Codicote, Hertfordshire, GB | ||||||
| Mar 6 | C | INT Local Events in Edinburgh and the Lothians 1 | Edinburgh, Scotland, GB | ||||||
| Mar 6 | C | NGOC League | Cotswold District, Gloucestershire, GB | ||||||
| Mar 6–7 | C | O'Shea 2 Days - Rumbalara & Mount Penang | 1 | Springfield, NSW, AU | |||||
| Mar 6–7 | B | OCIN/OLOU - 4 Meets - 2 Days | Relay, Score-O, Night-O | 10 | Carrollton, KY, US | |||||
| Mar 6–7 | C | BOK Open Gray Owl | 3 | Asheboro, NC, US | |||||
| Mar 6–14 | C | Bite Size Winter Adventure (3-8 hours) | 1 | Hinesburg, VT, US | |||||
| Mar 7 | C | Kingdom League, Lower Torc - Muckross | County Kerry, IE | ||||||
| Mar 7 | B | Suhrentaler OL *abgesagt* | Unterentfelden, Aargau, CH | ||||||
| Mar 7 | C | GAOC Local Meet :: Joe Kurz WMA | 4 | Gay, GA, US | |||||
| Mar 7 | C | QOC PWF Pine Grove | 12 | Triangle, VA, US | |||||
| Mar 7 | C | Sunday Maprun GPSO - Chiltern | Chiltern, VIC, AU | ||||||
| Mar 7 | C | MelBushO 1 - Woodlands Historic Park | Greenvale, VIC, AU | ||||||
| Mar 7 | C | NT: East Point | East Point, NT, AU | ||||||
| Mar 7 | B | Regional Event | Hexham, Northumberland, GB | ||||||
| Mar 7 | C | BOK Local event | Bristol, England, GB | ||||||
| Mar 7 | C | Maroc local event | Dinnet, Aberdeenshire, GB | ||||||
| Mar 7 | C | Sydney Sprint #3 - Georges Heights | 2 | Mosman, NSW, AU | |||||
| Mar 10 | C | Sydney Summer Series #23 Northbridge | 2 | Northbridge, NSW, AU | |||||
| Mar 10 | C | UFO 2 - Carrington | Carrington, NSW, AU | ||||||
| Mar 11 | C | SAX Kent Night Cup | Tonbridge and Malling District, Kent, GB | ||||||
| Mar 12 | B | 22. Oberaargauer Nacht OL | Herzogenbuchsee, Bern, CH | ||||||
| Mar 13 | B | 42. Säuliämtler OL | Affoltern am Albis, Zürich, CH | ||||||
| Mar 13 | B | 63. Herzogenbuchser OL | Herzogenbuchsee, Bern, CH | ||||||
| Mar 13 | A | NOL - Middle - Vic Autumn 1 | 1 | Harcourt North, VIC, AU | |||||
| Mar 13 | C | Waterfall Way Weekend - Dorrigo | Dorrigo, NSW, AU | ||||||
| Mar 13 | C | Moravian Saturday and Schools League | Kintessack, Moray, GB | ||||||
| Mar 13 | B | NI Orienteering Championships 2020 | Moneygashel, County Cavan, IE | ||||||
| Mar 13 | C | TSN: Reid Park Sprints | 1 | Tucson, AZ, US | |||||
| Mar 13–14 | C | GAOC Local Meet :: Red Top Mountain State Park | 3 | Acworth, GA, US | |||||
| Mar 14 | C | DVOA Tyler State Park | 10 | Newtown, PA, US | |||||
| Mar 14 | A | 1. Nationaler OL (Ultra-Langdistanz) | Rothrist, Aargau, CH | ||||||
| Mar 14 | C | QOC Patapsco McKeldin | 8 | Marriottsville, MD, US | |||||
| Mar 14 | C | Sunday Maprun GPSO - Willow Park Wodonga | Wodonga, VIC, AU | ||||||
| Mar 14 | C | Whyalla Hills | Whyalla, SA, AU | ||||||
| Mar 14 | A | NOL - Hageby - Eureka Challenge - Vic Autumn 2 | 1 | Glen Park, VIC, AU | |||||
| Mar 14 | C | DEVON Event | South Hams District, Devon, GB | ||||||
| Mar 14 | C | potoc local event tbc | Stoke-on-Trent, Staffordshire, GB | ||||||
| Mar 14 | B | NI Colour Series 2 | Enniskillen, Fermanagh and Omagh, GB | ||||||
| Mar 14 | C | Garvey Park, NavDash 2 | 2 | Ascot, WA, AU | |||||
| Mar 14 | C | Sydney Sprint Series #4 - Mort Bay | 2 | Birchgrove, NSW, AU | |||||
| Mar 15 | C | ACT Street Series: Wanniassa | Wanniassa, ACT, AU | ||||||
| Mar 17 | C | Sydney Summer Series #24 Auburn | 2 | Auburn, NSW, AU | |||||
| Mar 17 | C | UFO 3 - Caves Beach | Caves Beach, NSW, AU | ||||||
| Mar 17 | C | SWOC Maprun Street Event 7 | Rogerstone, Newport, GB | ||||||
| Mar 18 | C | DFOK Kent Night Cup | Meopham, Kent, GB | ||||||
| Mar 20 | A | 2. Nationaler Nacht-OL | Seengen, Aargau, CH | ||||||
| Mar 20 | C | QOC Mason Neck | 6 | Lorton, VA, US | |||||
| Mar 20 | C | DVOA Hawk Mountain Scout Reservation | Schuylkill Haven, PA, US | ||||||
| Mar 20 | C | Victor Harbor | Victor Harbor, SA, AU | ||||||
| Mar 20 | C | SWOC League 2 | Creigiau, Caerdydd, GB | ||||||
| Mar 20 | C | Park-O Coldhams Common | Cambridge, England, GB | ||||||
| Mar 21 | C | Munster League, Rossbeigh Sand Dunes | County Kerry, IE | ||||||
| Mar 21 | C | DVOA Hawk Mountain Scout Reservation | 3 | Schuylkill Haven, PA, US | |||||
| Mar 21 | B | 59. Oberwiler OL | Oberwil, Basel-Landschaft, CH | ||||||
| Mar 21 | C | OY2 - Archie's | 1 | Rosenthal Heights, QLD, AU | |||||
| Mar 21 | C | Port Elliot | Port Elliot, SA, AU | ||||||
| Mar 21 | C | Interclub #1 - Albury-Wodonga | Chiltern, VIC, AU | ||||||
| Mar 21 | C | MelBushO 2 - Police Paddocks, Endeavour Hills | Endeavour Hills, VIC, AU | ||||||
| Mar 21 | C | NT: Territory Wildlife Park Score Event & AGM | Berry Springs, NT, AU | ||||||
| Mar 21 | B | YHOA SuperLeague | Rotherham, South Yorkshire, GB | ||||||
| Mar 21 | B | Sarum Saunter | Fonthill Gifford, Wiltshire, GB | ||||||
| Mar 21 | B | RR Regional event | Galashiels, Scottish Borders, GB | ||||||
| Mar 21 | B | Regional Event and Yvette Baker Heat | Costessey, Norfolk, GB | ||||||
| Mar 21 | C | Regional and SWELL event | London, England, GB | ||||||
| Mar 21 | B | Cumbrian Galoppen | Dockray, Cumbria, GB | ||||||
| Mar 21 | C | Grizzly Orienteering: Blue Mountain | 1 | Missoula, MT, US | |||||
| Mar 24 | C | Sydney Summer Series #25 Chiswick | 3 | Chiswick, NSW, AU | |||||
| Mar 24 | C | UFO Final - Newcastle Foreshore | Newcastle East, NSW, AU | ||||||
| Mar 24 | C | SBOC Park Series 1 | North Dock, Carmarthenshire, GB | ||||||
| Mar 25 | C | SAX Kent Night Cup | Sevenoaks District, Kent, GB | ||||||
| Mar 27 | A | ACT Sprint Distance Championships: ACT League #2, ADFA | 1 | Campbell, ACT, AU | |||||
| Mar 27 | C | QOC PWF Night-O | 2 | Triangle, VA, US | |||||
| Mar 27 | C | MNOC Lebanon Hills | Eagan, MN, US | ||||||
| Mar 27 | B | Yvette Baker Heat Hightown Dunes | Formby, Merseyside, GB | ||||||
| Mar 27 | C | SAX Kent Orienteering League | Wrotham, Kent, GB | ||||||
| Mar 27 | C | Sunset and Beyond | Netley, Hampshire, GB | ||||||
| Mar 27 | C | ELO Local Events in Edinburgh and the Lothians | Whitekirk, East Lothian Council, GB | ||||||
| Mar 27 | C | SBOC Winter League 5 | Burry Port, Carmarthenshire, GB | ||||||
| Mar 27–28 | A | BUCS Individual Long distance / Sprint Relay 2021 | Waltham Abbey, Essex, GB | ||||||
| Mar 28 | C | Urban, Killarney | Killarney, County Kerry, IE | ||||||
| Mar 28 | C | GAOC Local Meet :: Dauset Trails | 2 | Jackson, GA, US | |||||
| Mar 28 | C | ACT Classic Series: ACT Relays, Mt Majura West | Watson, ACT, AU | ||||||
| Mar 28 | C | OY3 - Kholo - TBC | 1 | Kholo, QLD, AU | |||||
| Mar 28 | A | 3. Nationaler OL (Langdistanz Schlaufen OL) | Rümlang, Zürich, CH | ||||||
| Mar 28 | C | Sunday Maprun GPSO - Baranduda | Baranduda, VIC, AU | ||||||
| Mar 28 | C | Belair National Park Foot & MTBO | Belair, SA, AU | ||||||
| Mar 28 | C | Whyalla East | Whyalla, SA, AU | ||||||
| Mar 28 | C | MelBushO 3 - Maroondah Reservoir Park | Healesville, VIC, AU | ||||||
| Mar 28 | C | Yvette Baker Trophy Qualifier Inc WML - Bentley Wood (TBC) | North Warwickshire District, Warwickshire, GB | ||||||
| Mar 28 | C | BOK Local event | Mendip District, Somerset, GB | ||||||
| Mar 28 | B | SCOLxx and BADO League Event | Micheldever, Hampshire, GB | ||||||
| Mar 28 | B | YHOA SuperLeague | Otley, West Yorkshire, GB | ||||||
| Mar 28 | C | Swan Valley Adventure Centre, NavDash 3 | 3 | Middle Swan, WA, AU | |||||
| Mar 28 | C | BOK Eno River State Park | 1 | Durham, NC, US | |||||
| Mar 31 | C | Sydney Summer Series #26 Chatswood (Final) | 2 | Chatswood, NSW, AU | |||||
| Mar 31 | C | SBOC Park Series 2 & Park Lives event | Morriston, Swansea, GB | ||||||
| April 2021 | dist (mi) | ||||||||
| Apr 1–30 | C | 2021 Nav-X GPS Map Trek #3 @ Cache Creek Wilderness 3h/6h | Clearlake Oaks, CA, US | ||||||
| Apr 2–5 | A | 2021 Australian 3 Days | 29 | Garra, NSW, AU | |||||
| Apr 3 | C | DVOA Ridley Creek | 2 | Media, PA, US | |||||
| Apr 3 | C | GAOC Local Meet :: Hard Labor Creek State Park | 3 | Rutledge, GA, US | |||||
| Apr 3 | C | QOC UMD | 5 | College Park, MD, US | |||||
| Apr 3 | C | Easter in Cornwall Day 1 (Closed event for those booked into Perran Sands H | Perranzabuloe, England, GB | ||||||
| Apr 3 | C | INT Local Events in Edinburgh and the Lothians 2 | , | ||||||
| Apr 3–4 | A | Acorn / Acorn Weekend | Sneaton, North Yorkshire, GB | ||||||
| Apr 4 | C | Not the JK | Comrie, Perth and Kinross, GB | ||||||
| Apr 4 | C | Easter in Cornwall Day 2 | Pool, Cornwall, GB | ||||||
| Apr 5 | B | Rymenzburger OL | Ermensee, Luzern, CH | ||||||
| Apr 5 | B | 40. Langenthaler OL | Obersteckholz, Bern, CH | ||||||
| Apr 6 | C | Easter in Cornwall Day 3 | Falmouth, Cornwall, GB | ||||||
| Apr 7 | C | 2021 Orange City Sprint | 3 | Orange, NSW, AU | |||||
| Apr 7 | C | Middle Series 1 | South Lakeland District, Cumbria, GB | ||||||
| Apr 7 | C | SBOC Park Series 3 | Morriston, Swansea, GB | ||||||
| Apr 8 | C | 2021 Ophir Reserve | 3 | Ophir, NSW, AU | |||||
| Apr 8 | C | Easter in Cornwall Day 4 | Millbrook, Cornwall, GB | ||||||
| Apr 9 | A | GA O-Fest Middle :: McIntosh Reserve | 8 | Whitesburg, GA, US | |||||
| Apr 10 | C | DVOA Lower Perkiomen / J.J. Audubon | Norristown, PA, US | ||||||
| Apr 10 | C | MNOC Lake Elmo Park Reserve | Lake Elmo, MN, US | ||||||
| Apr 10 | A | 4. Nationaler OL (Mitteldistanz) | Solothurn, CH | ||||||
| Apr 10 | C | DFOK KOL 8 | Cobham, Kent, GB | ||||||
| Apr 10 | C | HH Saturday Series Heartwood | Sandridge, Hertfordshire, GB | ||||||
| Apr 10 | B | WIM SEOUL Poundbury | Dorchester, Dorset, GB | ||||||
| Apr 10 | C | NGOC League | Huntley, Gloucestershire, GB | ||||||
| Apr 10 | C | Bibra Lake MTBO | Bibra Lake, WA, AU | ||||||
| Apr 10–11 | B | 2020 - NSW Middle/Long Championships - Eugowra | 10 | Eugowra, NSW, AU | |||||
| Apr 10–11 | A | GA O-Fest Classics :: Don Carter State Park | 15 | Gainesville, GA, US | |||||
| Apr 11 | C | DVOA Warwick County Park | 1 | Pottstown, PA, US | |||||
| Apr 11 | C | QOC Pohick | 4 | Lorton, VA, US | |||||
| Apr 11 | A | 5. Nationaler OL (Langdistanz) | Balsthal, Solothurn, CH | ||||||
| Apr 11 | C | False Bay | False Bay, SA, AU | ||||||
| Apr 11 | C | Petrie MTBO | Kurwongbah, QLD, AU | ||||||
| Apr 11 | B | East Midlands League 2021 | Grantham, Lincolnshire, GB | ||||||
| Apr 11 | B | Wessex South West Orienteering League and Yvette Baker Trophy qualifier | Fovant and Chalke Valley ED, England, GB | ||||||
| Apr 11 | B | Concorde Chase 2021 | Cold Ash, West Berkshire, GB | ||||||
| Apr 11 | B | SCOLxx BKO regional event and SCOA YBT Qualifier 2021 | Blackwater, Hampshire, GB | ||||||
| Apr 11 | B | Epping SW | London, England, GB | ||||||
| Apr 11 | C | TSN: Greaterville Score-O | 1 | Green Valley, AZ, US | |||||
| Apr 14 | C | Newcastle Night Champs - Brickworks (date TBC) | Wallsend, NSW, AU | ||||||
| Apr 14 | C | Middle Series 2 | Oxen Park, Cumbria, GB | ||||||
| Apr 14 | C | SBOC Park Series 4 | Sketty, Swansea, GB | ||||||
| Apr 17 | B | Hudson Highlander - Postponed | 34 | Southfields, NY, US | |||||
| Apr 17 | C | Seetaler Schüler OL | Auenstein, Aargau, CH | ||||||
| Apr 17 | B | Conquer the Crossroads Rogaine | Vallonia, IN, US | ||||||
| Apr 17 | B | YHOA Urban League | Harrogate, North Yorkshire, GB | ||||||
| Apr 17 | C | NOC - Out Sprint | Nottingham, England, GB | ||||||
| Apr 17 | B | SROC middle distance | Kendal, Cumbria, GB | ||||||
| Apr 17 | B | NI Sprint Championships | , | ||||||
| Apr 17 | B | NI Middle Distance | , | ||||||
| Apr 17 | C | Moravian Saturday and Schools League | , | ||||||
| Apr 17 | C | Conquer the Crossroads Rogaine | 4 | Vallonia, IN, US | |||||
| Apr 17 | C | DVOA Willows & Skunk Hollow | 1 | Villanova, PA, US | |||||
| Apr 17–18 | A | SWOC Welsh Champs Weekend Middle distance / Orienteering Championships | Pant, Merthyr Tydfil County Borough, GB | ||||||
| Apr 18 | C | Melbourne City Race | 1 | Port Melbourne, VIC, AU | |||||
| Apr 18 | C | Kingdom League, Ross Castle + Island | County Kerry, IE | ||||||
| Apr 18 | B | 65. Bucheggberger OL | Buchegg, Solothurn, CH | ||||||
| Apr 18 | C | GAOC Local Meet :: Chattahoochee Bend SP | 2 | Newnan, GA, US | |||||
| Apr 18 | C | QOC Lake Needwood | 5 | Derwood, MD, US | |||||
| Apr 18 | C | QLD Sprint Champs - St.Peters Lutheran College | 2 | Indooroopilly, QLD, AU | |||||
| Apr 18 | C | NT: East Point | Tiwi, NT, AU | ||||||
| Apr 18 | B | EBOR Regional Event | Scarborough District, North Yorkshire, GB | ||||||
| Apr 18 | B | SOS Danbury Common | Danbury, Essex, GB | ||||||
| Apr 18 | C | QO Forest League | South Somerset District, Somerset, GB | ||||||
| Apr 18 | B | Lakeland Weekend | Loughrigg, Cumbria, GB | ||||||
| Apr 18 | B | Yvette Baker Qualifier & Cwpan Y Ddraig Competition | Merthyr Tydfil, Wales, GB | ||||||
| Apr 18 | C | TVOC Regional Event TBC | High Wycombe, Buckinghamshire, GB | ||||||
| Apr 18 | B | EM Urban League 2021 | Belper, Derbyshire, GB | ||||||
| Apr 18 | C | John Curtin College of Arts, NavDash 4 | 1 | Fremantle, WA, AU | |||||
| Apr 18 | C | Grizzly Orienteering: Pattee Canyon | 1 | Missoula, MT, US | |||||
| Apr 18–20 | A | NZ MTBO Championships | 1 | Alexandra, Otago, NZ | |||||
| Apr 21 | C | Lincolnshire Poacher 1 - Osgoodby | Osgodby, Lincolnshire, GB | ||||||
| Apr 21 | C | SWOC Maprun Street Event 8 | Cardiff, Wales, GB | ||||||
| Apr 21 | C | Middle 3 | England, GB | ||||||
| Apr 21 | C | SBOC Park Series 5 | Neath, Wales, GB | ||||||
| Apr 24 | C | MNOC Interstate State Park | Dresser, WI, US | ||||||
| Apr 24 | C | BikeO-75 #4 Muckleford (MaprRun) | Newstead, VIC, AU | ||||||
| Apr 24 | B | Middle Distance - Wiela-Bunyip Reach - NOL Event | 1 | Murtho, SA, AU | |||||
| Apr 24 | C | Park-O Lammas Land and Coe Fen | Cambridge, England, GB | ||||||
| Apr 24 | C | Sarum Urban event | Amesbury, Wiltshire, GB | ||||||
| Apr 24 | B | Stockton Riverside Urban | Thornaby, Stockton-on-Tees, GB | ||||||
| Apr 24 | C | ELO Local Events in Edinburgh and the Lothians | Gladsmuir, East Lothian Council, GB | ||||||
| Apr 24 | C | potoc local event tbc | Staffordshire Moorlands District, Staffordshire, GB | ||||||
| Apr 24 | C | DVOA Nolde Forest | 1 | Reading, PA, US | |||||
| Apr 24–25 | A | 6. Nationaler OL (Sprint) / 7. Nationaler OL (Mitteldistanz) | Aurigeno, Ticino, CH | ||||||
| Apr 24–26 | A | NZ South Island Champs | 2 | Earnscleugh, Otago, NZ | |||||
| Apr 24–26 | C | NT: Katherine Long Weekend | Lansdowne, NT, AU | ||||||
| Apr 25 | C | Muckleford Maxi (Individual) | Newstead, VIC, AU | ||||||
| Apr 25 | C | Muckleford Maxi (Team) | Newstead, VIC, AU | ||||||
| Apr 25 | C | Muckleford 6 Hour (Team) | Newstead, VIC, AU | ||||||
| Apr 25 | C | BOK Local event | Bristol, England, GB | ||||||
| Apr 25 | C | GAOC Local Meet :: Moore's Bridge Park | 2 | Whitesburg, GA, US | |||||
| Apr 25 | C | QOC Manassas | 3 | Manassas, VA, US | |||||
| Apr 25 | C | Interclub #2 - Waggaroos | Rowan, NSW, AU | ||||||
| Apr 25 | B | SA Long Distance Championships and Long NOL - Crooked Straight | 1 | Murtho, SA, AU | |||||
| Apr 25 | B | YHOA SuperLeague | Houghton, East Riding of Yorkshire, GB | ||||||
| Apr 25 | B | WAOC Urban Huntingdon | Huntingdon, Cambridgeshire, GB | ||||||
| Apr 25 | C | Newburn Local | Newcastle upon Tyne, Tyne and Wear, GB | ||||||
| Apr 25 | B | Knipe Scar Cumbrian Galoppen | Bampton, Cumbria, GB | ||||||
| Apr 25 | B | East Midlands League 2021 | Ratby, Leicestershire, GB | ||||||
| Apr 25 | C | BOK Horton Grove | 2 | Bahama, NC, US | |||||
| Apr 26 | C | Renmark Schools Sprint Event | 1 | Renmark, SA, AU | |||||
| Apr 28 | C | Lincolnshire Poacher 2 - Hendale | Great Limber, Lincolnshire, GB | ||||||
| Apr 28 | C | Middle 4 | Ulverston, Cumbria, GB | ||||||
| Apr 28 | C | SBOC Park Series 6 | Ystradgynlais, Powys, GB | ||||||
| Apr 30 – May 3 | A | Irish Orienteering Championships | 1 | County Kerry, IE | |||||
| May 2021 | dist (mi) | ||||||||
| May 1 | C | DVOA French Creek State Park Central | 4 | Elverson, PA, US | |||||
| May 1 | C | ACT Metro Series: Junior League #1, Weston Park | Yarralumla, ACT, AU | ||||||
| May 1 | C | INTLocal Events in Edinburgh and the Lothians 3 | East Calder, West Lothian, GB | ||||||
| May 1–2 | B | SAXBO | 1 | Jonsdorf, Sachsen, DE | |||||
| May 1–2 | B | Cumbrian Galoppen (potential upgrade to National event) | Ravenglass, Cumbria, GB | ||||||
| May 2 | C | DVOA French Creek State Park Central | 10 | Elverson, PA, US | |||||
| May 2 | B | 47. Galgener OL | Einsiedeln, Schwyz, CH | ||||||
| May 2 | B | Badener OL | Brugg, Aargau, CH | ||||||
| May 2 | B | 48. Hondricher OL (Sprint) | Zweisimmen, Bern, CH | ||||||
| May 2 | C | GAOC Local Meet :: Sweetwater Creek State Park | 1 | Lithia Springs, GA, US | |||||
| May 2 | C | QOC Patapsco CCBC | 3 | Catonsville, MD, US | |||||
| May 2 | C | Moonabie North | Middleback Range, SA, AU | ||||||
| May 2 | B | Regional Event | Blacker Hill, South Yorkshire, GB | ||||||
| May 2 | B | NOR Urban | Norfolk, England, GB | ||||||
| May 2 | C | Whiteman Park | 1 | Whiteman, WA, AU | |||||
| May 2 | C | Grizzly Orienteering: Lone Pine State Park | 1 | Kalispell, MT, US | |||||
| May 5 | C | Lincolnshire Poacher 3 - Twigmoor Woods | Ridge Ward, England, GB | ||||||
| May 5 | C | ELO Sprintelope | Prestonpans, East Lothian Council, GB | ||||||
| May 5 | C | SBOC Summer League prologue | Sketty, Swansea, GB | ||||||
| May 7 | C | Berner sCOOL-Cup | Biel, Bern, CH | ||||||
| May 8 | C | GAOC Local Meet :: Tugaloo State Park | 3 | Lavonia, GA, US | |||||
| May 8 | C | ACT Metro Series: Junior League #2, Oakey Hill | Curtin, ACT, AU | ||||||
| May 8 | C | HH Saturday Series Stanborough | Welwyn Garden City, Hertfordshire, GB | ||||||
| May 8–9 | A | Sprint Meisterschaft | Laufen, Basel-Landschaft, CH | ||||||
| May 8–9 | W | Italian Middle and Relay Championships (WRE) | Tambre, Veneto, IT | ||||||
| May 9 | C | QOC Fountainhead West | 3 | Clifton, VA, US | |||||
| May 9 | C | AWOC Club MTBO - Indigo Winery Beechworth | Everton Upper, VIC, AU | ||||||
| May 9 | C | MelBushO 4 - Banksia Park, Bulleen | Bulleen, VIC, AU | ||||||
| May 9 | A | Northern Championships | 1 | Kendal, Cumbria, GB | |||||
| May 9 | C | Clare Country Park Summer Series | Clare, Suffolk, GB | ||||||
| May 9 | C | Helena Junction/Mt Billy | 1 | Mount Observation, WA, AU | |||||
| May 12 | C | Lincolnshire Poacher 4 - Mausoleum Woods | Great Limber, Lincolnshire, GB | ||||||
| May 12 | C | SBOC Summer League prologue | West Cross, Swansea, GB | ||||||
| May 12–16 | A | EGK Swiss 5 Days | Neuchâtel, CH | ||||||
| May 15 | C | MNOC Afton State Park | Hastings, MN, US | ||||||
| May 15 | C | Park-O Cherry Hinton Hall Park | Cambridge, England, GB | ||||||
| May 15 | C | SWOC League 3 | Blaenavon, Torfaen Principal Area, GB | ||||||
| May 15 | C | Gowbarrow | Eden District, Cumbria, GB | ||||||
| May 15 | C | Ipswich O Christchurch Park | Ipswich, Suffolk, GB | ||||||
| May 15–16 | A | Vic MTBO Sprint / Middle Distance / Long Distance Championships | 2 | Maryborough, VIC, AU | |||||
| May 15–16 | A | Sunny Sussex Weekend - Middle Distance / National Event / Short Urban (even | Haywards Heath, West Sussex, GB | ||||||
| May 16 | C | Kingdom League, Rossbeigh Sand Dunes | County Kerry, IE | ||||||
| May 16 | C | GAOC One-Man Relay and AGM :: McIntosh Reserve | 2 | Whitesburg, GA, US | |||||
| May 16 | C | QOC Patapsco Avalon | 4 | Elkridge, MD, US | |||||
| May 16 | C | Shepherds Hill | St Marys, SA, AU | ||||||
| May 16 | C | MelBushO 5 - Westerfolds Park | Templestowe, VIC, AU | ||||||
| May 16 | B | BOK Regional event & Mike Nelson BOK Trot | Sedgemoor, Somerset, GB | ||||||
| May 16 | B | Colchester Urban | Colchester, Essex, GB | ||||||
| May 16 | B | Regional Event | Leeds, West Yorkshire, GB | ||||||
| May 16 | C | SCOLxx and BKO Regional Event (Bloom Woods) | Wycombe District, Buckinghamshire, GB | ||||||
| May 16 | C | Scottish Score Championships | Perth, Scotland, GB | ||||||
| May 16 | B | Regional Event and Yvette Baker Trophy Heat | Chop Gate, North Yorkshire, GB | ||||||
| May 16 | B | East Midlands League 2021 | Ticknall, Derbyshire, GB | ||||||
| May 16 | C | Marrinup (Dwellingup) MTBO | Teesdale, WA, AU | ||||||
| May 16 | C | DVOA Quail Hill Scout Camp | 2 | Manalapan Township, NJ, US | |||||
| May 19 | C | Lincolnshire Poacher 5 - Swallow Vale | West Lindsey District, Lincolnshire, GB | ||||||
| May 19 | C | ELO Sprintelope | Haddington, East Lothian Council, GB | ||||||
| May 19 | C | SBOC Summer League 1 | Killay, Swansea, GB | ||||||
| May 21–29 | W | World Masters (WMOC), Japan | 1 | Kobe, Hyogo, JP (Kansai region) | |||||
| May 22 | C | ACT Metro Series: Junior League #3, Wanniassa Hills | Tuggeranong DC, ACT, AU | ||||||
| May 22 | A | DM Staffel-OL | 1 | Falkenberg, Brandenburg, DE | |||||
| May 22 | B | 2021 Welsh League Race | Margam, Neath Port Talbot Principle Area, GB | ||||||
| May 22 | C | SAX Kent Orienteering League | Sevenoaks District, Kent, GB | ||||||
| May 22 | C | BK Local event | Bristol, England, GB | ||||||
| May 22 | C | Moravian Saturday and School League | , | ||||||
| May 23 | B | Vic Autumn 4 - Mt Tarrengower, Maldon | Tarrengower, VIC, AU | ||||||
| May 23 | C | Kingdom League, Dinish | County Kerry, IE | ||||||
| May 23 | C | QOC Oregon Ridge | 4 | Cockeysville, MD, US | |||||
| May 23 | A | DBK Mannschafts-OL | 1 | Falkenberg, Brandenburg, DE | |||||
| May 23 | C | Karinya, Eden Hills - Foot and MTBO Score Event | Eden Hills, SA, AU | ||||||
| May 23 | C | AWOC - Waggaroos Interclub #3 - Walbundrie | Walbundrie, NSW, AU | ||||||
| May 23 | C | Interclub #3 - Albury-Wodonga | Walbundrie, NSW, AU | ||||||
| May 23 | B | Hadleigh Park SWELL | Hadleigh, Essex, GB | ||||||
| May 23 | B | EM Urban League 2021 | Barrow upon Soar, Leicestershire, GB | ||||||
| May 23 | C | NGOC League - Urban Race | Cheltenham, Gloucestershire, GB | ||||||
| May 23 | B | Regional Event & YHOA School Champs | Huddersfield, West Yorkshire, GB | ||||||
| May 23 | B | Killingworth Urban | Killingworth, Tyne and Wear, GB | ||||||
| May 23 | C | Muirton Urban Event | Perth, Scotland, GB | ||||||
| May 23 | B | TVOC Chiltern Challenge National Event (alternative date) TBC | Hambleden, Buckinghamshire, GB | ||||||
| May 23 | C | DVOA Fort Washington | 2 | Fort Washington, PA, US | |||||
| May 23 | C | Grizzly Orienteering: Lubrecht Experimental Forest | 2 | Greenough, MT, US | |||||
| May 24 | B | 46. Murtner OL (Sprint) | Avenches, Vaud, CH | ||||||
| May 24 | B | 51. Zuger Frühlings OL | Baar, Zug, CH | ||||||
| May 24 | A | DM Sprintstaffel | 1 | Falkenberg, Brandenburg, DE | |||||
| May 26 | C | Lincolnshire Poacher 6 - Normanby Le Wold | West Lindsey District, Lincolnshire, GB | ||||||
| May 26 | C | SBOC Summer League 2 | Saint Thomas, Swansea, GB | ||||||
| May 29 | C | ACT Metro Series: Junior League #4, The Pinnacle | Weetangera, ACT, AU | ||||||
| May 30 | C | OY6 - Bunyaville West | 1 | Bunya, QLD, AU | |||||
| May 30 | C | Corunna Gap | Corunna Station, SA, AU | ||||||
| May 30 | B | Welwyn Garden City Urban | Welwyn Garden City, Hertfordshire, GB | ||||||
| May 30 | A | SINS Day 2 and Midlands Champs (UKOL) | Shrewsbury, Shropshire, GB | ||||||
| May 30 | B | YHOA SuperLeague | Hackness, North Yorkshire, GB | ||||||
| June 2021 | dist (mi) | ||||||||
| Jun 2 | C | Lincolnshire Poacher 7 - Weelsby Woods | Grimsby, North East Lincolnshire, GB | ||||||
| Jun 2 | C | SBOC Summer League 3 | Penmaen, Swansea, GB | ||||||
| Jun 5 | C | Urban Cup | Biel, Bern, CH | ||||||
| Jun 5 | C | ACT Metro Series: Junior League #5, Mt Ainslie North | Hackett, ACT, AU | ||||||
| Jun 5 | C | Theseus and the Minotaur Rogaine | 11 | Hammond, NY, US | |||||
| Jun 5 | C | Ipswich O Holywells Park | Ipswich, Suffolk, GB | ||||||
| Jun 5 | C | NGOC League - Middle Distance | Stroud District, Gloucestershire, GB | ||||||
| Jun 5 | C | INTLocal Events in Edinburgh and the Lothians 4 | Livingston, West Lothian, GB | ||||||
| Jun 5–6 | C | Raccoongaine Rogaining Festival | 16 | Georgetown, PA, US | |||||
| Jun 6 | B | 39. Bülacher OL | Bülach, Zürich, CH | ||||||
| Jun 6 | C | QOC Jug Bay | 5 | Lothian, MD, US | |||||
| Jun 6 | B | YHOA Middle Championships and YHOA SuperLeague | Borough of Harrogate, North Yorkshire, GB | ||||||
| Jun 6 | B | Sewingshields | Haydon Bridge, Northumberland, GB | ||||||
| Jun 6 | B | EM Urban League 2021 | Retford, Nottinghamshire, GB | ||||||
| Jun 6 | C | BOK Regional Urban event | Clevedon, North Somerset, GB | ||||||
| Jun 6 | C | Maroc SOUL | Banchory, Aberdeenshire, GB | ||||||
| Jun 6–7 | C | Kenine Hill Winter Classic (2 Day) | 1 | Kenmare, WA, AU | |||||
| Jun 8 | C | 17. Aargauer sCOOL-Cup | Малая Боевка, Lipetsk Oblast, RU | ||||||
| Jun 9 | C | SBOC Summer League 4 | Briton Ferry, Neath Port Talbot Principle Area, GB | ||||||
| Jun 9 | C | Lincolnshire Poacher 8 - Hemswell | Grimsby, North East Lincolnshire, GB | ||||||
| Jun 12 | C | 39. UBOL Staffel (Sprint-Staffel für alle) | Zürich, CH | ||||||
| Jun 12 | C | Manawarra - North of Hawker | Flinders Ranges, SA, AU | ||||||
| Jun 12 | C | SWOC League 4 | Gwaelod-y-garth, Cardiff, GB | ||||||
| Jun 12 | C | DFOK KOL 10 | Sevenoaks District, Kent, GB | ||||||
| Jun 12 | C | Alston Urban | Raise, Cumbria, GB | ||||||
| Jun 12 | C | DVOA Core Creek Park | 1 | Langhorne, PA, US | |||||
| Jun 12–13 | A | Coventry Weekend Super Sprint Event / Urban European City Race Tour (Provis | Coventry, West Midlands, GB | ||||||
| Jun 13 | B | 50. Schaffhauser-OL | 1 | Schaffhausen, CH | |||||
| Jun 13 | C | Wilpena Spurs OY | Flinders Ranges, SA, AU | ||||||
| Jun 13 | C | NWO Relay | Lydiard Tregoze, Swindon, GB | ||||||
| Jun 13 | B | SOS The Broaks | Gosfield, Essex, GB | ||||||
| Jun 13 | C | Local Event | Seaton Carew, Hartlepool, GB | ||||||
| Jun 13 | C | BOK Local event | Bristol, England, GB | ||||||
| Jun 13 | B | Eston Moor Regional | Normanby, Redcar and Cleveland, GB | ||||||
| Jun 14 | C | Rawnsley | Flinders Ranges, SA, AU | ||||||
| Jun 16 | C | 1. Berner Abend OL | Burgdorf, Bern, CH | ||||||
| Jun 16 | C | SBOC Summer League 5 | Llangennith, Swansea, GB | ||||||
| Jun 16 | C | ELO Sprintelope (copy) | Pencaitland, East Lothian Council, GB | ||||||
| Jun 16 | C | Lincolnshire Poacher 9 & LCS - Lodge Moor & Kingsway NR | Scunthorpe, North Lincolnshire, GB | ||||||
| Jun 19 | A | British Sprint Relay Championships | Skelmersdale, Lancashire, GB | ||||||
| Jun 19 | C | ACT Metro Series: Junior League #6, Bruce Ridge | O'Connor, ACT, AU | ||||||
| Jun 19 | C | Moravian Saturday and Schools League | Aberlour, Moray, GB | ||||||
| Jun 19–20 | B | Nitrogaine VI - Rescheduled to 2021 | 23 | White Lake charter Township, MI, US | |||||
| Jun 19–20 | W | Napapiiri-Jukola 2021 | 3 | Rovaniemi, Lapland, FI | |||||
| Jun 20 | B | 52. Welsiker OL | Dorf, Zürich, CH | ||||||
| Jun 20 | B | Luzerner Einzel OL 2021 | Oberkirch, Luzern, CH | ||||||
| Jun 20 | C | Interclub #4 - Waggaroos | Kooringal, NSW, AU | ||||||
| Jun 20 | C | Sydney Metro League #4 | Castle Hill, NSW, AU | ||||||
| Jun 20 | C | MelBushO 6 - You Yangs | Little River, VIC, AU | ||||||
| Jun 20 | C | Orwell Country Park Summer Series | Nacton, Suffolk, GB | ||||||
| Jun 23 | C | 2. Berner Abend OL | Grosshöchstetten, Bern, CH | ||||||
| Jun 23 | C | SBOC Summer League 6 | Oxwich, Swansea, GB | ||||||
| Jun 24 | C | 1. impOLs OL | Olten, Solothurn, CH | ||||||
| Jun 26 | A | 10. Nationaler OL (Mitteldistanz) | Belmont-Broye, Fribourg, CH | ||||||
| Jun 26 | C | ACT Metro Series: Junior League #7, Aranda Snow Gums | Holt, ACT, AU | ||||||
| Jun 26 | C | Park-O Hinchingbrooke Country Park | Huntingdonshire District, Cambridgeshire, GB | ||||||
| Jun 26 | C | Adams-Avery & BOK Junior Relays (TBC) | Bristol, England, GB | ||||||
| Jun 27 | A | Schweizermeisterschaft Staffel OL | Belmont-Broye, Fribourg, CH | ||||||
| Jun 27 | C | Hidden Valley | Middleback Range, SA, AU | ||||||
| Jun 27 | A | Harvester Relays - provisional | Falkirk, Scotland, GB | ||||||
| Jun 27 | B | YHOA Urban League | East Riding of Yorkshire, England, GB | ||||||
| Jun 27 | B | 2021 Welsh League Event | Painscastle, Powys, GB | ||||||
| Jun 27 | C | TVOC Urban Regional Event | Abingdon, Oxfordshire, GB | ||||||
| Jun 27 | B | Cumbrian Galoppen | Allerdale District, Cumbria, GB | ||||||
| Jun 27 | B | East Midlands Championships 2021 | Chinley, Derbyshire, GB | ||||||
| Jun 27 | C | DVOA Hickory Run Sand Spring | 2 | Albrightsville, PA, US | |||||
| Jun 27 | C | BOK Dorothea Dix Sprint | 1 | Raleigh, NC, US | |||||
| Jun 28 – Jul 3 | A | Five Days of Italy - POSTPONED | 7 | Fai della Paganella, Trentino-Alto Adige, IT | |||||
| Jun 30 | C | 3. Berner Abend OL | Bern, CH | ||||||
| Jun 30 | C | SBOC Summer League 7 | Penllergaer, Swansea, GB | ||||||
| July 2021 | dist (mi) | ||||||||
| Jul 1 | C | 2. impOLs OL | Wiggen, Luzern, CH | ||||||
| Jul 3 | B | YHOA Urban League date option 2 | Sheffield, South Yorkshire, GB | ||||||
| Jul 3 | C | HH Saturday Series Highfield Park | St Albans, Hertfordshire, GB | ||||||
| Jul 3–9 | A | Kainuu Trail Run and Orienteering Week ***2021*** | 2 | Suomussalmi, Kehys-Kainuu, FI | |||||
| Jul 4 | C | 64. Schweizer 5er Staffel | Bülach, Zürich, CH | ||||||
| Jul 4 | C | 2021 Sydney Metropolitan Turkey Trot | Saint Ives, NSW, AU | ||||||
| Jul 4 | C | MelBushO 7 - Wellington Chase | Lysterfield, VIC, AU | ||||||
| Jul 4 | C | Kuitpo | Kuitpo, SA, AU | ||||||
| Jul 4 | A | Yvette Baker Trophy Final | Westonbirt, Gloucestershire, GB | ||||||
| Jul 4 | B | NGOC League - Urban Race | Stroud, Gloucestershire, GB | ||||||
| Jul 5–9 | W | World Orienteering Championships 2021 | 9 | Doksy, Liberecký kraj, CZ | |||||
| Jul 7 | C | SBOC Summer League 8 | Penmaen, Swansea, GB | ||||||
| Jul 8 | C | 3. impOLs OL | Luterbach, Solothurn, CH | ||||||
| Jul 11 | C | Interclub #5 - Albury-Wodonga | Glenroy, NSW, AU | ||||||
| Jul 11 | C | AWOC - Waggaroos Interclub #5 - Nail Can South | West Albury, NSW, AU | ||||||
| Jul 11 | B | YHOA Urban League | Sheffield, South Yorkshire, GB | ||||||
| Jul 11 | B | Angle Tarn Pikes Cumbrian Galoppen | Patterdale, Cumbria, GB | ||||||
| Jul 11 | C | Moonraker Relay | Salisbury, Wiltshire, GB | ||||||
| Jul 11 | C | Ipswich O Christchurch Park | Ipswich, Suffolk, GB | ||||||
| Jul 11–16 | A | Fin5 Orienteering Week ***2021*** | 6 | Kuusamo, Koillismaa, FI | |||||
| Jul 11–18 | W | Junior World Orienteering Championship 2021 | Granjal, Viseu, PT | ||||||
| Jul 17 | C | ACT Metro Series: Junior League #8, National Arboretum | Molonglo Valley, ACT, AU | ||||||
| Jul 17 | A | SA Night Championships & OY Rock Oyster | Black Hill, SA, AU | ||||||
| Jul 17 | B | NWO Urban Event | Highworth, Swindon, GB | ||||||
| Jul 17–18 | B | Fat Rascal Weekend | Leeds, West Yorkshire, GB | ||||||
| Jul 18 | C | Rock Oyster OY | Black Hill, SA, AU | ||||||
| Jul 18 | C | MelBushO 8 - Hawkstowe Park | South Morang, VIC, AU | ||||||
| Jul 18 | C | Royal Hospital School Summer Series | Holbrook, Suffolk, GB | ||||||
| Jul 18 | B | A Day at the Races - Cheltenham Racecourse Sprint | Prestbury, Gloucestershire, GB | ||||||
| Jul 18–25 | W | SOW 2021 | 2 | Arosa, Graubünden, CH | |||||
| Jul 21 | C | SBOC Summer League 10 | Llanmadoc, Swansea, GB | ||||||
| Jul 24 | C | SWOC League 5 | Coychurch Higher, Bridgend County Borough, GB | ||||||
| Jul 24–25 | B | YHOA Urban League | Golcar, West Yorkshire, GB | ||||||
| Jul 25 | C | Interclub #6 - Waggaroos | Burrandana, NSW, AU | ||||||
| Jul 25 | C | Salt Creek | Midgee, SA, AU | ||||||
| Jul 25–30 | C | Coast and Islands | 1 | Liverpool, Merseyside, GB | |||||
| Jul 25–31 | A | ORingen 2021 | 5 | Uppsala, SE | |||||
| Jul 30 – Aug 1 | A | Dzintaru 3-days | Villasmuiža, Ropaži Municipality, LV | ||||||
| Jul 31 | C | ACT Metro Series: Junior League #10, Mt Taylor | Chifley, ACT, AU | ||||||
| August 2021 | dist (mi) | ||||||||
| Aug 1 | C | Mt Crawford | Mount Crawford, SA, AU | ||||||
| Aug 1 | C | AWOC - Waggaroos Interclub #7 - Goombargana | Goombargana, NSW, AU | ||||||
| Aug 1 | C | Interclub #7 - Albury-Wodonga | Goombargana, NSW, AU | ||||||
| Aug 1 | C | MelBushO 9 - Tye Estate | Kerrie, VIC, AU | ||||||
| Aug 1–7 | A | Scottish 6 Days 2021 (Hopefully!) | 4 | Fort William, Highland Council, GB | |||||
| Aug 2–15 | W | Rescheduled - BAOC: California Orienteering Festival | 112 | Truckee, CA, US | |||||
| Aug 6–9 | W | RESCHEDULED North American Orienteering Championship | 120 | Truckee, CA, US | |||||
| Aug 7 | C | MNOC River Bend Nature Center MTBO | Faribault, MN, US | ||||||
| Aug 8 | C | Mitchell Park | Mitchell Park, SA, AU | ||||||
| Aug 12 | C | 4. impOLs OL | Signau, Bern, CH | ||||||
| Aug 13–15 | C | Aargauer 3 Tage OL | Schinznach-Dorf, Aargau, CH | ||||||
| Aug 14 | C | ACT Metro Series: Junior League #12, Farrer Ridge | Tuggeranong DC, ACT, AU | ||||||
| Aug 14–15 | W | 17th World Rogaining Championships | 76 | Truckee, CA, US | |||||
| Aug 14–15 | C | Swiss International Mountain Marathon | 1 | Morgins, Valais, CH | |||||
| Aug 15 | C | Interclub #8 - Waggaroos | Kyeamba, NSW, AU | ||||||
| Aug 15 | C | Cheeseboard Hill | Whyalla Barson, SA, AU | ||||||
| Aug 15 | C | Para Wirra Conservation Park (Eastern Part) | Yattalunga, SA, AU | ||||||
| Aug 15 | C | BOK Night Sprint | Raleigh, NC, US | ||||||
| Aug 18 | C | 4. Berner Abend OL | Urtenen-Schönbühl, Bern, CH | ||||||
| Aug 19 | C | 5. impOLs OL | Zürich, CH | ||||||
| Aug 21 | B | 26. Nid- + Obwaldner OL | Kerns, Obwalden, CH | ||||||
| Aug 24–29 | W | ARDF World Cup Zlatibor, Serbia | 3 | Zlatibor, Republika Srpska, RS | |||||
| Aug 25 | C | 5. Berner Abend OL | Oberburg, Bern, CH | ||||||
| Aug 27–29 | W | Vienna O Challenge - Austria's most fun orienteering event | 3 | Vienna, AT | |||||
| Aug 28 | B | Ellicottville Adventure Run & Hike | 19 | Salamanca, NY, US | |||||
| Aug 28 | C | ACT Metro Series: Junior League #13, Stromlo West | Stromlo, ACT, AU | ||||||
| Aug 28 | C | Worlds End, north of Roberstown - Sat PM Event | Worlds End, SA, AU | ||||||
| Aug 29 | C | Beerburrum South - Foot orienteering | Beerburrum, QLD, AU | ||||||
| Aug 29 – Sep 4 | W | 2021 ARDF World Championships | 4 | Zlatibor, Republika Srpska, RS | |||||
| September 2021 | dist (mi) | ||||||||
| Sep 1 | C | 6. Berner Abend OL | Biel, Bern, CH | ||||||
| Sep 4 | C | ACT Metro Series: Junior League #14, Mt Stranger | Greenway, ACT, AU | ||||||
| Sep 4 | C | AWOC MTBO Score Event - Eldorado | Eldorado, VIC, AU | ||||||
| Sep 5 | C | 80. Zürcher OL | Winterthur, Zürich, CH | ||||||
| Sep 5 | C | MelBushO 10 - Candlebark Park | Templestowe, VIC, AU | ||||||
| Sep 10–11 | C | Shawangunk Ridge Trail Run (70mi/50mi/30mi/halfmar) | 1 | Kingston, NY, US | |||||
| Sep 11 | C | Clue Rogaine | 12 | Theresa, NY, US | |||||
| Sep 11 | A | DM Mittel-OL | 1 | Wildemann, Niedersachsen, DE | |||||
| Sep 12 | A | BRL Lang-OL | 1 | Wildemann, Niedersachsen, DE | |||||
| Sep 12 | C | Nicolson-Playford | Whyalla Playford, SA, AU | ||||||
| Sep 12 | C | Narrinyeri Hills Long OY (Kinchina Conservation Park) | Rocky Gully, SA, AU | ||||||
| Sep 17–18 | B | Biberister Nacht-OL | Biberist, Solothurn, CH | ||||||
| Sep 17–19 | A | 2021 Australian MTBO Championships | 2 | Killingworth, NSW, AU | |||||
| Sep 18 | C | MNOC Cleary Lake | Prior Lake, MN, US | ||||||
| Sep 18 | C | DVOA Hickory Run State Park | White Haven, PA, US | ||||||
| Sep 18 | B | 44. ZH-Oberländer OL | Uznach, Sankt Gallen, CH | ||||||
| Sep 18 | C | Sprint Event - Location TBA - Sat PM | Bedford Park, SA, AU | ||||||
| Sep 18 | B | Overlook NRE | 16 | Springwater, NY, US | |||||
| Sep 19 | C | 75. Zuger-OL | Zug, Zug, CH | ||||||
| Sep 19 | C | DVOA Hickory Run Sand Spring | Albrightsville, PA, US | ||||||
| Sep 19 | B | Letchworth Goat | 11 | Hunt, NY, US | |||||
| Sep 24–26 | A | Nacht OL Meisterschaft / 11. Nationaler OL (Mitteldistanz) / 12. Nationaler | Bettmeralp, Wallis, CH | ||||||
| Sep 24 – Oct 3 | A | Australian Championships Carnival | 6 | St Helens, TAS, AU | |||||
| Sep 25 | C | DVOA Harmony Hill | 2 | Downingtown, PA, US | |||||
| Sep 25 | C | MNOC Severs Corn Maze-O | Shakopee, MN, US | ||||||
| Sep 26 | C | Whyalla East | Whyalla, SA, AU | ||||||
| October 2021 | dist (mi) | ||||||||
| Oct 2 | A | DM Lang-OL | 1 | Gröden, Brandenburg, DE | |||||
| Oct 3 | A | DCup Clubstaffel | 1 | Gröden, Brandenburg, DE | |||||
| Oct 6 | C | 16. Freiburger sCOOL-Cup | Düdingen, Freiburg, CH | ||||||
| Oct 9–10 | A | MNOC Masters Nationals | 17 | Onamia, MN, US | |||||
| Oct 9–10 | B | Week-end Romand | Saint-Cergue, Vaud, CH | ||||||
| Oct 16–17 | B | 20. Bieler Nacht-OL | Valbirse, Berne, CH | ||||||
| Oct 17 | B | Zurzacher OL | Bözberg, Aargau, CH | ||||||
| Oct 17 | C | DVOA Rutgers Ecological Preserve | 3 | Piscataway, NJ, US | |||||
| Oct 17 | B | 15. biel.seeland OL | Valbirse, Berne, CH | ||||||
| Oct 23 | C | ASJM-Schlusslauf | Zofingen, Aargau, CH | ||||||
| Oct 23 | C | ZJOM Schlusslauf | Ennetmoos, Nidwalden, CH | ||||||
| Oct 23–24 | B | Hindelbanker Nacht OL | Hindelbank, Bern, CH | ||||||
| Oct 24 | B | 60. Hindelbanker OL | Hindelbank, Bern, CH | ||||||
| Oct 24 | B | 65. Wiler OL/18. Nordostschweizer OL Meisterschaftslauf | Sirnach, Thurgau, CH | ||||||
| Oct 24 | C | AWOC DuO Championships - Rowdy Flat Yackandandah | Yackandandah, VIC, AU | ||||||
| Oct 24 | C | DVOA French Creek State Park Central | 2 | Elverson, PA, US | |||||
| Oct 30 | C | MNOC Theo Wirth Park | Golden Valley, MN, US | ||||||
| Oct 30 | B | 66. Huttwiler OL (Schlusslauf Nachwuchsmeisterschaft BE/SO) | Rohrbach, Bern, CH | ||||||
| Oct 31 | C | Berner Team OL | Rohrbach, Bern, CH | ||||||
| Oct 31 | C | DVOA Quail Hill Scout Camp | 2 | Manalapan Township, NJ, US | |||||
| November 2021 | dist (mi) | ||||||||
| Nov 6 | C | DVOA Iron Hill Park | 1 | Newark, DE, US | |||||
| Nov 7 | C | DVOA Rodney Scout Reservation | 1 | North East, MD, US | |||||
| Nov 21 | C | Zentralkurs | Chicago, IL, US | ||||||
| Nov 21 | C | DVOA Fair Hill Mason-Dixon | 1 | Elkton, MD, US | |||||
| Nov 27 | C | DVOA Green Lane Park | 5 | Green Lane, PA, US | |||||
| Nov 28 | C | DVOA Green Lane Park | 5 | Perkiomenville, PA, US | |||||
| December 2021 | dist (mi) | ||||||||
| Dec 4 | B | Crooked Compass Adventure Trek | 34 | Thurmont, MD, US | |||||
| Dec 4 | C | 15. Samichlaus-OL | Steinhausen, Zug, CH | ||||||
| Dec 5 | C | DVOA Batsto | 2 | Hammonton, NJ, US | |||||
| Dec 5 | C | DVOA Batsto | Hammonton, NJ, US | ||||||
| Dec 5 | C | AWOC AGM & Maprun | South Albury, NSW, AU | ||||||
| January 2022 | dist (mi) | ||||||||
| Jan 9, 2022 | B | Winter Stadt OL | Uster, Zürich, CH | ||||||
| Jan 9–17, 2022 | W | Oceania Orienteering Championships 2021 - POSTPONED | 19 | Christchurch, Canterbury, NZ | |||||
| February 2022 | dist (mi) | ||||||||
| Feb 19–27, 2022 | B | Southwest Spring Week | 7 | Tucson, AZ, US | |||||
| April 2022 | dist (mi) | ||||||||
| Apr 1–3, 2022 | C | OCIN Flying Pig XXV - 2022 Junior Nationals | 23 | Batavia, OH, US | |||||
| Apr 23–24, 2022 | A | West Point Annual National Ranking Event | 34 | West Point, NY, US | |||||
| June 2022 | dist (mi) | ||||||||
| Jun 26, 2022 | C | Bendigo BC12 - Smiths Reef | Gower, VIC, AU | ||||||
| July 2022 | dist (mi) | ||||||||
| Jul 9–10, 2022 | B | Swiss O Days Sanetsch | Savièse, Wallis, CH | ||||||
| August 2022 | dist (mi) | ||||||||
| Aug 5–7, 2022 | C | Aargauer 3 Tage OL | Lenzburg, Aargau, CH | ||||||
| Aug 8, 2022 | C | Bendigo Bush Classic 18 - Mandurang Sheepwash Diggings, 1-2pm 30 entries ON | Sedgwick, VIC, AU | ||||||
| Aug 8, 2022 | C | Bendigo Bush Classic 18 - Mandurang Sheepwash Diggings, Junior entries ONLY | Sedgwick, VIC, AU | ||||||
| October 2022 | dist (mi) | ||||||||
| Oct 13–16, 2022 | W | 2022: South American Orienteering Championships | 20 | Foz do Iguaçu, Paraná, BR | |||||
| March 2023 | dist (mi) | ||||||||
| Mar 24–26, 2023 | A | Flying Pig XXIV - 2023 OUSA Nationals - POSTPONED | 35 | Cincinnati, OH, US | |||||
| June 2050 | dist (mi) | ||||||||
| Jun 17 – Jul 17, 2050 | W | wmoc 2050 | 229 | Balen, Vlaams Gewest, BE | |||||