Princes Risborough, United Kingdom · Saturday, July 11, 2026
Fixed Distance 50K
Maverick Chilterns Trail 50km
Race completed
50 km Distance
1,100 m Climbing
4.2 Grit · Challenging
What the course asks
Climbing rate 22 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 8 hours
9:36 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 89% of 50K races. Measured against 982 races of the same distance. Cut-off calculator →
Field size ~114 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2024 edition (52km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, July
Daytime high 23°C
Night low 13°C
Rainfall Mostly dry
Daylight 16 h 23 m of light
Regional 2001-2020 average for July — NASA POWER, grid elevation 87 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 1,100 m of ascent.
- Trail Running Shoes 22 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 1,100 m of ascent to walk up.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Course Notes
Undulating with some punchy hills, woodland and winding trails, suited to all levels of trail runner.
Similar races
Other 50K trail ultras, closest in distance first.