Logo

Celtic Trail Races

Aberdare, United Kingdom • 13 Dec 2025

The Celtic Trail Races, held annually at Dare Valley Country Park in Aberdare, South Wales, offer a festive trail running experience with three distances: a 34-mile ultra, a 26-mile marathon, and a 13-mile half marathon. The courses traverse rugged, ancient Celtic tracks through Afan Forest and the Rhigos mountain range, featuring sharp climbs, fast descents, river crossings, and stunning views of the Brecon Beacons National Park. All routes are fully marked and include multiple checkpoints with refreshments. The event finishes with a lively atmosphere at Dare Valley Country Park, complete with festive treats and support services like physiotherapy and electronic timing, making it suitable for a wide range of trail runners. Visit the organization's website for the most recent information.

United Kingdom Wales Aberdare

Race information

Website Registration
34 mi
5850 m+
Celtic Ultra
26 mi
4200 m+
Celtic Trail Marathon
13 mi
2200 m+
Celtic Trail Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Brecon Beacons 51k

Talybont-on-Usk - 14 mi from Aberdare

The Brecon Beacons 51k event, part of the RunThrough UK Brecon Beacons Trails in August 2025, offers runners a challenging ultra-distance trail race in the scenic Brecon Beacons, starting from Talybont-on-Usk. Participants can choose from 10K, 24K, or 51K distances, each featuring rugged trails, cli..

UTMB Index

Beast of Llangattock

Llangattock - 16 mi from Aberdare

The Beast of Llangattock is a challenging trail running event held at Park Farm, Llangattock, Wales, offering four distances: 10km, 10 miles, 20 miles, and a 32-mile ultra. The course features stunning panoramic views of the Black Mountains, Sugar Loaf, and the Brecon Beacons, with varied terrain in..

Beast Of Bryn

Bryn - 13 mi from Aberdare

The Beast of Bryn is a challenging trail running event held in Bryn, Port Talbot, South Wales, organized by the Bryn Residents Action Group (BRAG). Set in the scenic Afan Forest Park, the race offers two distances: a 6.5-mile (10.5 km) route with 288 meters of climb and a longer 10.5-mile (17 km) co..

Crickhowell 10km

Crickhowell - 16 mi from Aberdare

The Crickhowell 10km is a scenic running event held near Crickhowell, Wales, within the Brecon Beacons National Park. The race features a flat, out-and-back course along the Brecon & Monmouthshire canal, starting and finishing at Llangattock, with a turnaround point at Gilwern. Designed for runners..

Black Cattle Ultra Gwartheg Duon

Cardiff - 20 mi from Aberdare

The Black Cattle Ultra Gwartheg Duon is a challenging trail running event held in South Wales, starting at Cardiff Harlequins RFC. Participants can choose between two ultra distances: 44 miles from Llanthony Priory or 33 miles from Abergavenny. Both routes follow the scenic Cambrian Way to Cardiff,..

Saturn Running - Aberdare

Aberdare

...

Saturn Running's "Will Run For Ice Cream" event takes place in the scenic Dare Valley Country Park, Aberdare, Wales. This inclusive 7-hour time challenge allows participants to run or walk as many laps as they wish on a well-maintained 4.37-mile (7km) loop, with shorter options for younger runners...