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QOC Rosaryville


  • Apr 27, 2008


Upper Marlboro, MD
Apr 27, 2008

Type: Orienteering - Local

event website

added by: ken

This is a new map for QOC that Jon Torrance has worked hard making. In addition to a lot of field checking work, LIDAR and GPS were used a lot in the process thus giving good ground tracking correlation for those who race with a GPS.

For those familiar with Fair Hill State Park in northern MD, Rosaryville State Park shares some similarities. First, there are lots of trails which horses and cyclists have created. These trails tend to wander or contour and intersect a lot.

Due to the apparent harvesting of plots and subsequent forest succession, the woods have a full mix of vegetation from fast open to thick green (thick parts can be encountered more often at field edges). The vegetation has been carefully mapped with a lot of detail. Where the woods are not runnable, there is generally a nearby trail going through them.

Like nearly everything else, Rosaryville is smaller than Fair Hill but it still has a big feeling when running through it; it's about 1.6 miles x 1.5 miles in area. The fields are proportionately smaller than the ones in Fair Hill. There are horse jumps in the fields, but few fences.

There are several areas with man made ground features. Stream crossings tend to be gullied. Hills are sometimes steep but overall they create modest to average climbs.

Route choice here is important. Come and enjoy it.

Nadim Ahmed, Course Setter.


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64.3 ✓ jtorranc (log) Mapper - event moved to 27th to avoid Billygoat conflict. Sorry about Tiomila conflict, Ken.
51.2 ✓ peggyd (log) Now that date has moved! Got married here, gotta go!
50.2 ✓ Nadim (log) Course Setter
28.7 ✓ mmace (log)
✓ medag (log)
✓ wilburdeb (log)
? j-man (log)
Zacleipyr (log) Sorry to miss this one

See also:

Mar 16, 2008QOC Patuxent
Mar 16, 2008DVOA Nolde
Mar 23, 2008QOC: Westmoreland
Mar 30, 2008QOC - Wheaton
Apr 20, 2008QOC Fountainhead
May 4, 2008QOC College Park
May 11, 2008QOC Balls Bluff
May 17, 2008SVO/QOC Mont Alto
May 24–26, 2008US Team Trials
Jun 8, 2008QOC Jug Bay