Otley, United Kingdom · Saturday, September 26, 2026

Fixed Distance 50K

Yorkshire Reservoir Dogs Ultra 50mi

Race completed
51 km Distance
3,500 m Climbing
7.8 Grit · Hardcore
53.9055° N, 1.6938° W© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 69 m / km Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 12 hours 14:07 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 69% of 50K races. Measured against 1087 races of the same distance. Cut-off calculator →
Field size ~21 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (50mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, September

Daytime high 16°C
Night low 8°C
Rainfall Mostly dry
Daylight 12 h 01 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 234 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert
👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 51 km of trail with 3,500 m of ascent.

All gear guides →

Course Notes

Start in Otley, West Yorkshire and finish in Pool-in-Wharfedale, West Yorkshire. Run over a challenging course in West and North Yorkshire visiting stunning scenery incl. Ilkley Moor, The Chevin and the many reservoirs and beauty spots.

Similar races

Other 50K trail ultras, closest in distance first.