Haslemere, United Kingdom · Saturday, April 18, 2026
Fixed Distance 100K
Ultra X Spring Trail Series 110km
Race completed
110 km Distance
1,560 m Climbing
7.8 Grit · Hardcore
What the course asks
Climbing rate 14 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Typical conditions, April
Daytime high 13°C
Night low 5°C
Rainfall Mostly dry
Daylight 13 h 58 m of light
Regional 2001-2020 average for April — NASA POWER, grid elevation 51 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a fast & flat 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 110 km of trail with 1,560 m of ascent.
- Trail Running Shoes110 km of trail — cushioning that is still there in the last quarter.
- Race NutritionPast 110 km the palate quits before the legs do — carry more than one flavour.
- Hydration VestsFlask capacity for 110 km, without the bounce.
- Headlamps110 km almost certainly means running into the night.
- AccessoriesChafe and blisters end more 110 km races than fitness does.
Course Notes
70% paths / 20% tracks / 10% roads
Similar races
Other 100K trail ultras, closest in distance first.