Reading, United Kingdom · Sunday, May 10, 2026
Fixed Distance 50K
Goring Gap Run 52 km Ultra
Race completed
52 km Distance
285 m Climbing
3.0 Grit · Challenging
What the course asks
Climbing rate 5 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 8.5 hours
9:48 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 80% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Field size ~374 Large. Rarely out of sight of another runner.
DUV results for the 2023 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, May
Daytime high 17°C
Night low 7°C
Rainfall Mostly dry
Daylight 15 h 18 m of light
Regional 2001-2020 average for May — NASA POWER, grid elevation 112 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.
Gear for this race
Chosen for 52 km of trail with 285 m of ascent.
- Trail Running Shoes52 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition52 km of self-supported fuelling between aid stations.
- Hydration VestsFlask capacity for 52 km, without the bounce.
- GPS WatchesBattery life first — a 52 km day outlasts most full-GPS modes.
Course Notes
The route is predominately public footpath, but also quiet lanes and village roads.
Similar races
Other 50K trail ultras, closest in distance first.