Events/Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge

Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 16 km

RunningLoop
Date
Sat, 17 Apr 2027
Start
10:30
Venue
Henderson Hall / Gilestone Farm, Talybont-on-Usk, Powys, Wales
Talybont-on-Usk, Powys
Countdown
April

The short one of the Beast trio: a 16 km loop out of Talybont-on-Usk with a fair bit of up (617 m), and eight hours to do it. A friendly way into trail running.

Key facts
01Mandatory kit and photo ID are checked at registration
02Minimum age 16
038-hour cut-off on the loop
Create a free training plan for the Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 16 km
7-day free trial, no card required
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The course

The route

Talybont-on-Usk
Distance16.1km
Total climb617m
StartElevation
0 kmDrag map to rotate16.9 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
OrganiserLimitless Trails
Running since2020
Training

Training for the Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 16 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.

GarminWahooPolarHammerheadIntervals.icu
What a Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 16 km plan targets
Typical sessions
16 km with 617 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
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
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Get your Beast of the Beacons 10, 20 and 40 Mile Trail Running Challenge 16 km plan.
7-day free trial, no card required.
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