Haslemere, United Kingdom · Saturday, April 18, 2026
Fixed Distance 50K
Ultra X Spring Trail Series 50km
Race completed
50 km Distance
1,080 m Climbing
4.1 Grit · Challenging
What the course asks
Climbing rate 22 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Field size ~302 Large. Rarely out of sight of another runner.
DUV results for the 2024 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
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 rolling course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 1,080 m of ascent.
- Trail Running Shoes22 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition50 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles1,080 m of ascent to walk up.
- GPS WatchesBattery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
70% paths / 20% tracks / 10% roads
Similar races
Other 50K trail ultras, closest in distance first.