Ultra Running Hub Castleton, United Kingdom · Saturday, August 1, 2026
Fixed Distance 50K
Esk Valley Ultra
Race completed
58 km Distance
1,230 m Climbing
4.7 Grit · Challenging
What the course asks
Climbing rate 21 m / km
Rolling. Moderate undulations. Requires consistent effort across varying grades.
Time limit 14 hours
14:29 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 77% of 50K races. Measured against 1007 races of the same distance. Cut-off calculator →
Typical conditions, August
Daytime high 19°C
Night low 11°C
Rainfall Showers likely
Daylight 15 h 43 m of light
Regional 2001-2020 average for August — NASA POWER, grid elevation 176 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 58 km of trail with 1,230 m of ascent.
- Trail Running Shoes21 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition58 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles1,230 m of ascent to walk up.
- HeadlampsA 14 h limit puts you out there after dark.
Course Notes
This race follows the official Esk Valley Way, a stunning long distance footpath across the North York Moors. Starting in Castleton, runners will trace the River Esk from its upland origins to the sea.
Similar races
Other 50K trail ultras, closest in distance first.