Ultra Running Hub Pontneddfechen, United Kingdom · Saturday, October 31, 2026
Fixed Distance 50K
Black Beacon Ultra Bach 50 km
12 days to go
50 km Distance
2,200 m Climbing
5.8 Grit · Challenging
What the course asks
Climbing rate 44 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 14 hours
16:48 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 87% of 50K races. Measured against 1063 races of the same distance. Cut-off calculator →
Field size ~38 Small. Long stretches with nobody in sight.
DUV results for the 2024 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2024 | 50km | 38 | Nicholas Weston Smith · 05:43:40 | Nicola Liss · 08:42:15 |
| 2021 | 34mi | 13 | Helder Fernandes · 06:44:18 | Natasha Chandler · 08:12:10 |
The field grew 192% between 2021 (13) and 2024 (38). 18% of the 2024 field were women.
DUV results for the 2024 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a mountain course. Poles are highly recommended for the sustained climbs.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,200 m of ascent.
- Trail Running Shoes 44 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 2,200 m of ascent to walk up.
- Headlamps A 14 h limit puts you out there after dark.
Similar races
Other 50K trail ultras, closest in distance first.