Date
Sat, 7 Nov 2026
Start
07:30
Venue
Henderson Hall, Talybont-on-Usk, Powys
Brecon, Powys
Countdown
November
Two laps of the Brecon Beacons, with a detour up Pen y Fan on the first. Eighty kilometres where the second lap is the real test, and the clock is part of it.
Key facts
01Start lap two by 15:30 or your day ends there
02Finish by 23:30, so expect to run into the dark
03Minimum age 18 on race day
Create a free training plan for the Beacons Ultra, Beacons Marathon & Beacons Half Marathon 80 km
7-day free trial, no card required
The course
One lap, on repeat
Brecon · one lap
Distance80km
Total climb2,258m
Start · finishOne lap · elevation
0 kmDrag map to rotate20.5 km
Weather
Early-November, Brecon
10°CTypical high
5°CTypical low
-3°CColdest in 20 years
65%Days with rain
Highs around 10°C and lows around 5°C, but it has dropped to -3°C. Rain on 65% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
2023 results
Who finishes, and how
#RiderTimeAvg speed
01Jenny CROUCH08:18:379.6 km/h
02Karen FRONTERAS09:06:388.8 km/h
03Liza FRENCH09:41:338.3 km/h
10
Women finishers
10:36:36
Median time
7.5 km/h
Median speed
Women · 2023 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Beacons Ultra, Beacons Marathon & Beacons Half Marathon 80 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 Beacons Ultra, Beacons Marathon & Beacons Half Marathon 80 km plan targets
Typical sessions
80 km with 2,258 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 Beacons Ultra, Beacons Marathon & Beacons Half Marathon 80 km plan.
7-day free trial, no card required.
Other races at Beacons Ultra, Beacons Marathon & Beacons Half Marathon
More events in November in United Kingdom
Anglesey Trail Half MarathonExpected Early November 2026 · Niwbwrch→The TFG Cheese & Crackers Trail RacesSun, 1 Nov 2026 · Hartington→Wendover Woods Marathon, Half Marathon & 10kSun, 1 Nov 2026 · Aylesbury→Rutland Night10kFri, 6 Nov 2026 · Edith Weston→Allithwaite 8Sat, 7 Nov 2026 · Allithwaite→Beacons Ultra, Beacons Marathon and Beacons Half MarathonExpected Early November 2026 · Brecon→
