Date
Sat, 17 Apr 2027
Start
08:00
Venue
Henderson Hall / Gilestone Farm, Talybont-on-Usk, Powys, Wales
Talybont-on-Usk, Powys
Countdown
April
The full Beast: 40 miles and 2,571 m of climbing, run as the 20-mile loop and then back the other way. Seeing it in reverse is the twist, and the small field makes it a serious ultra.
Key facts
01Second lap runs the 20-mile route in reverse
0216-hour cut-off overall
03Mandatory kit and photo ID are checked at registration
Create a free training plan for the Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 64 km
7-day free trial, no card required
The course
One lap, on repeat
Talybont-on-Usk · one lap
Distance64km
Total climb2,571m
Start · finishOne lap · elevation
0 kmDrag map to rotate32.2 km
Weather
Mid-April, Talybont-on-Usk
12°CTypical high
4°CTypical low
-3°CColdest in 20 years
35%Days with rain
Highs around 12°C and lows around 4°C, but it has dropped to -3°C. Rain on 35% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 64 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 64 km plan targets
Typical sessions
64 km with 2,571 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Hill reps and vert to prepare the climbs and descents
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 64 km plan.
7-day free trial, no card required.
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