A 100 mile ultramarathon in south-west England traversing rural countryside using long-distance paths, trails and quieter lanes. The route includes rolling terrain with cumulative elevation gained through repeated hills rather than mountain ascents. Surfaces vary between trail, track and road sections depending on location. Navigation approach, checkpoints and aid station provision are defined by the organiser’s official event information.

• Other races at the same event:
Westcountry Ultra Flat 50
Westcountry Ultra Hilly 50