Cadair X Half Marathon
Join Cadair X Half Marathon 2025
This is one of the toughest half marathon routes in the world, and perhaps the most awe-inspiring.
The route takes you through ancient woodland, past stunning glacial lakes, historic trails, and challenging mountainous terrain, including the summit of one of Snowdonia's most iconic mountains, Cadair Idris.
Course details
- Distance: 13.1 miles
- Height gain: 1165m
- Terrain: 65% trail, 25% mountain path, and 10% tarmac
This is a mountain route with some challenging ascents and descents.
Start address: Doleinion Campsite, Tal-y-llyn, Tywyn, UK
Finish address: Doleinion Campsite, Tal-y-llyn, Tywyn, UK
Route map
Register
Registration closes on 04 May (159 days left)
selected tickets
Total
You can, within 24 hours after your registration, get a full refund if you change your mind.
What’s included
-
done Timing chip (single use)
-
done Photo Service
-
done Parking info
-
done Drink Stations
-
done Nutrition Stations
-
done Medical Assistance
-
done Toilets
Reviews
Be the first to write a review for this event
Frequently asked questions
What is the cancellation/refund policy for this event?
We can only refund the balance to you if we receive your request 14 days after purchase.
Mandatory kit
- Waterproof or windproof jacket - Race-cup/Soft flask - Whistle - Fully charged mobile phone - Suitable running shoes for mountain terrain *No plastic bottles or disposable cups are used on this race
The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.