Cadair X Half Marathon
Tremadog, Gwynedd, United Kingdom
10 May, 2025 (Sat)
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Registration not open
Official registration partner of Cadair X Half Marathon
About the event
Prepare for a breathtaking challenge in one of Wales’ most iconic landscapes with this 13.1-mile mountain half marathon, featuring a 1165m height gain and a thrilling mix of trail, mountain path, and tarmac. The route ascends through ancient woodland, past glacial lakes, and along historic mountain trails, culminating in a summit push to the majestic Cadair Idris. With 65% trail, 25% rugged mountain path, and 10% road, this course offers both natural beauty and serious elevation. Runners must reach the summit within 90 minutes of race start to continue, ensuring a high standard of fitness and mountain-readiness.
Highlights
Take on one of Snowdonia’s most iconic peaks in a single, unforgettable ascent.
The technical terrain and epic views offer the perfect mountain half-marathon experience.
With a strict summit cut-off, this event is ideal for runners looking to push their limits.
Races offered by this event
What’s included in entry
These are included in your entry
Parking
Drink Stations
Timing chip (single use)
Toilets
Photo Service
Nutrition Stations
Medical Assistance
Frequently Asked Questions
Cadair X Half Marathon official pages
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Tremadog, Gwynedd, United Kingdom
10 May, 2025 (Sat)
Price match guarantee
Registration not open
Official registration partner of Cadair X Half Marathon
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