Trail running 51:30 [3] 8.6 km (5:59 / km) +750ft 5:17 / km
shoes: Salomon Fellraiser
From Hunters Bar up The Clough and down Limb Valley to SYO event.
Slippery with patches of snow/ice.
Left calf went after about ten mins.
Hobbled rest of way with danger of it snapping.
Must be the time of year. Did the same last winter.
Strap it up and hope for the best.