Otley, United Kingdom · Saturday, September 26, 2026
Fixed Distance 50K
Yorkshire Reservoir Dogs Ultra 50mi
29 days to go
51 km Distance
3,500 m Climbing
7.8 Grit · Hardcore
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 962 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.
The Aid Station
Course-specific beta from the community
This is a mountain course. Poles are highly recommended for the sustained climbs.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 51 km of trail with 3,500 m of ascent.
- Trail Running Shoes 69 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 51 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 3,500 m of ascent to walk up.
- Headlamps A 12 h limit puts you out there after dark.
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.