Date
Sat, 24 Jul 2027
Start
08:30
Venue
Plas y Brenin, Capel Curig
Capel Curig, Conwy
Countdown
July
The middle option takes you over the Carneddau, with scrambling on the way. It is a proper mountain day without the full 40 km.
Key facts
01Cut-off at Pen yr Ole Wen
02Minimum age 18, with scrambling and navigation competence
03Compulsory kit required
Create a free training plan for the Ogwen | Yr Helgi Du 25 km
7-day free trial, no card required
The course
The route
Capel Curig
Distance25km
Total climb1,202m
StartElevation
0 kmDrag map to rotate24.7 km
Weather
Late-July, Capel Curig
18°CTypical high
12°CTypical low
7°CColdest in 20 years
60%Days with rain
Highs around 18°C and lows around 12°C, but it has dropped to 7°C. Rain on 60% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01HOMEI Alex2:40:419.3 km/h
02TUSA Seppo2:46:159.0 km/h
03FOULKES Tomos2:47:039.0 km/h
213
Finishers
4:11:23
Median time
6.0 km/h
Median speed
Overall · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Ogwen | Yr Helgi Du 25 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 Ogwen | Yr Helgi Du 25 km plan targets
Typical sessions
25 km with 1,202 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
Entries open now
Get your Ogwen | Yr Helgi Du 25 km plan.
7-day free trial, no card required.
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