An 80 km (50 mile) looped ultramarathon based at Queen Elizabeth Country Park in Hampshire with approximately 2,000 m of ascent. The route follows chalk ridgeways, woodland trails and sections of the South Downs Way, characterised by sustained rolling climbs and descents. Terrain includes chalk paths, forest track and grassland trail, which can be slippery in wet conditions. The course is marked with aid stations positioned at intervals around the loop.

• Other races at the same event:
Hibernal Hills 50K Ultramarathon