Ultra Running Hub Talybont on Usk, United Kingdom · Saturday, April 18, 2026
Fixed Distance 50 mi
Beast of the Beacons 40mi
Race completed
64 km Distance
8,430 m Climbing
10.0 Grit · Elite / extreme
What the course asks
Climbing rate 132 m / km
Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.
Time limit 16 hours
15:00 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 87% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →
Field size ~52 Small. Long stretches with nobody in sight.
DUV results for the 2025 edition (40mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, April
Daytime high 12°C
Night low 3°C
Rainfall Mostly dry
Daylight 14 h 01 m of light
Regional 2001-2020 average for April — NASA POWER, grid elevation 256 m. Not a forecast.
The Aid Station
Course-specific beta from the community
This is a vertical 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 64 km of trail with 8,430 m of ascent.
- Trail Running Shoes132 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition64 km of self-supported fuelling between aid stations.
- Hydration VestsPole attachment and chest-strap stability on steep ground.
- Trekking Poles8,430 m of ascent to walk up.
- HeadlampsA 16 h limit puts you out there after dark.
Similar races
Other 50 mi trail ultras, closest in distance first.