England, United Kingdom · Date TBA
100 mi
Centurion Autumn 100
161 km Distance
2,500 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 16 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
The Aid Station
Course-specific beta from the community
This is a rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 161 km of trail with 2,500 m of ascent.
- Trail Running Shoes161 km of trail — cushioning that is still there in the last quarter.
- Race NutritionPast 161 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsFlask capacity for 161 km, without the bounce.
- Headlamps161 km almost certainly means running into the night.
- AccessoriesChafe and blisters end more 161 km races than fitness does.
About
A 100-mile out-and-back along the North Downs Way in southern England.
Highlights
- Well-organized UK 100
- Scenic English trails
- Autumn running
Similar races
Other 100 mi trail ultras, closest in distance first.