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Trail Running Calendar near Brechfa 2026-2027

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Explore the top trail runs near Brechfa for 2026-2027! We've gathered 20 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

October 2026
A new multi-terrain 10K around Llandybie from the village rugby club, with climbs and a walking option; entry £15 includes a t-shirt and proceeds go to charity.
Trail event at Oxwich Bay on 18 October 2026 with a self navigated half marathon and marked 10 km and 5 km routes across coastal paths, woodland and sand dunes.
A memorial road and off road event organised by Green Events featuring a half marathon and a 12k in mountainous scenery. The race is cupless, open to those over 16, and lists online and on the day entry options.
A 32 km, 1800 m mountain challenge on Pen y Fan with three climbs via six different routes, offered as an unweighted race or a 16 kg weighted category.
November 2026
Trail races at Oxwich Bay on 7 Nov 2026 offer 10K, half, marathon and ultra distances across cliffs, dunes, woodland and beaches.
Fully marked trail races at Margam Park including a half marathon and a 10k, running through woodland, parkland and the deer park with coastal views; entries include parking, timing, a medal and download photos.
Trail Half Marathon Wales at Margam Country Park on 14 November 2026 features fully marked forest races over 21.1 km and 10.2 km with checkpoints and included parking.
Final race of the 2026 RTT Series in Afan Forest offering 5 km and 10 km trail routes with chip timing, medals and water stations at Bryn Bettws Lodge.
A club organised race at Blaenwern Holiday Centre in Llanybydder on 29 November 2026 covering 6.5 miles on mixed surfaces; junior and senior categories are included and past results are archived online.
December 2026
A provisional night navigation event near Rosebush covering 16 km with 660 m climb; experience and strict compulsory kit are required.
March 2027
Trail races in Brechfa Forest on 13 March 2027 using a 13 mile loop for half marathon or marathon with marked routes, aid stations, medical support and finish medals.
April 2027
Beach races at Pendine Sands on 11 April 2027 offering 5k, 10k and half marathon distances on firm sand with water stations and bespoke finishers medals.
May 2027
A muddy 5k obstacle course through Singleton Park with mixed terrain, staggered waves, an age limit of 13+, and on-site facilities including toilets and refreshments.
July 2027
A mountain race up Pen y Fan near Brecon covering 5.8 km with 588 m ascent, limited advance entry and mandatory windproof kit and navigation gear.
Multi distance trail event on the Gower Peninsula in South Wales featuring a 100 km figure of 8 plus 75 km, 50 km, 25 km and 10 mile options with camping and staffed rest stops.
Mountain running event to the summit of Pen y Fan in the Brecon Beacons on 25 July 2027, offering 5 mile and 13 mile routes with paid entry options.
September 2027
A scenic, hilly trail half marathon in the Cothi valley with an alternative 6.5 mile route and children's races at Pumsaint Village Hall on 19 September 2027.
November 2028
Llyn y Fan is an 8.8 km fell race with 610 m ascent on 14 November 2028, entry £7 via Fabian4, age over 16 and a 50 runner limit.
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