All UK half marathons

Half Marathons / Wales

Cadair X Half Marathon

Dol Idris event base, Cadair Idris · Wales

Organised by We Swim Run

Cadair X Half Marathon is an individual half-marathon event in Cadair Idris.

Awaiting the next confirmed date. No future date has been assumed.

Surface: Mixed

Past edition

17 October 2026

Surface: Mixed
Published distance
13.1 miles

Entry status: closed

Fixed-distance half marathon

Start: Cadair Idris

Event base · approximate race area. Approximate race area. Check the organiser’s website for the exact start and race-day directions.

Location evidence

Current official page identifies Race HQ as Dol Idris and links Cadair X Half Marathon GPX. First point represents that valley event base approximately; nearby final point corroborates the loop. Cadair Idris summit is a route checkpoint and is not the start/base. Location only; non-location facts and whole-record verification unchanged.

Location checked 2026-09-14.

Official individual half-marathon category; no certification inferred.

Official page confirms 17 October 2026; route 65% trail, 25% mountain path, 10% tarmac. Mailing list for notification when entries open.

Sources checked 14 September 2026. Entry availability can change.

Official event (opens in a new tab)
Official sources

Map precision: approximate event venue/locality. Current official page identifies Race HQ as Dol Idris and links Cadair X Half Marathon GPX. First point represents that valley event base approximately; nearby final point corroborates the loop. Cadair Idris summit is a route checkpoint and is not the start/base. Location only; non-location facts and whole-record verification unchanged.

Organiser event page (opens in a new tab)