Date
Sat, 23 Jan 2027
Start
08:00
Venue
The Heights, 74 High St, Llanberis, Caernarfon LL55 4HB, Wales
Caernarfon, Gwynedd
Countdown
January
A full lap around Yr Wyddfa in January, with no GPX allowed in your hand. Over 2,300 m of climbing in 43.5 km means you have to navigate your own way round.
Key facts
01Entrants must be 18+ with 3 AL races or equivalent unmarked, winter experience
02Cut-offs: Nant Gwynant 12:00, Pen-y-Pass 12:15, Idwal junction 14:45
03GPX is for reference only and must not be used during the race
Create a free training plan for the Tour De Yr Wyddfa 44 km
7-day free trial, no card required
The course
The route
Caernarfon
Distance44km
Total climb2,327m
StartElevation
0 kmDrag map to rotate43.5 km
Weather
Late-January, Caernarfon
8°CTypical high
5°CTypical low
0°CColdest in 20 years
58%Days with rain
Highs around 8°C and lows around 5°C, but it has dropped to 0°C. Rain on 58% 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 Tour De Yr Wyddfa 44 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 Tour De Yr Wyddfa 44 km plan targets
Typical sessions
44 km with 2,327 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 Tour De Yr Wyddfa 44 km plan.
7-day free trial, no card required.
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