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Trail Running Calendar near Ammanford 2026-2027

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Explore the top trail runs near Ammanford for 2026-2027! We've gathered 48 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
A 7.5 km fell race around Cwrt-y-Cadno Show fields with 264 m of climb; entry to the show is £5 and the course is partially marked with a minimum age of over 16.
A 7 hour time challenge at Dare Valley Country Park with distances from 3 km up to 50 km, a cupcake magnet finisher medal, a baking competition, aid stations with vegan options and goody bags for finishers.
Two trail races through the mountains of Afan Forest Park, about 6.5 miles or 10.5 miles with significant climbs. Online entry, chip timing, marshalled route, finishers receive a t shirt and medal.
September 2026
A 12km canitrail and trail run at Halo Ogmore Valley Life Centre in aid of PAPYRUS on 13 September 2026, entry £26, dogs welcome.
A scenic, hilly trail half marathon in the Cothi valley near Pumsaint, offering a 13 mile race, a 6.5 mile alternative and a kids race, based at Pumsaint Village Hall on 20 September 2026.
Three coastal trail races on 26 September 2026 around the Gower Peninsula offer routes of 50, 34 and 23 miles along cliffs, bays and coastal paths. The event is self navigated with checkpoints, GPS tracking and coach transfers to starts.
Trail race at Margam Country Park offering 5 km and 10 km routes through woodland with castle views. The event features chip timing, water stations, a finisher's medal and parking included with entry.
October 2026
Repeat a 9 mile mixed-terrain loop at The Nature Centre, completing as many laps as possible within an eight hour limit.
A 7 hour Time Challenge at Dare Valley Country Park with flexible distances from 3 km to ultramarathon options. Finishers receive a themed medal, distance pins and refreshments including doughnuts and ice cream.
A 3.2 km fell race on Fan Fawr with 305 m ascent, part of the South Wales Series; entry £2 on the day, minimum age over 16.
A seven hour Time Challenge at Dare Valley Country Park offering distances from 3km to 50km, themed finisher medals and distance pins, on course aid with vegan options, and basic venue facilities including toilets and free parking.
Join the Aberfan Memorial Run in Merthyr Tydfil to honour the 1966 victims and support the Aberfan Memorial Charity. Choose 5 km to ultra on a scenic tarmac loop along the Taff Trail with flexible start times and official timing.
Coastal trail running at Oxwich Bay on 18 October 2026 with 21 km, 10 km and 5 km options plus chip timing and finisher medals.
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 fell event on Pen y Fan with three ascents via six different routes and an optional 16 kg weighted category; navigation and GPX use are required.
Timed lap event at Barry Sidings Country Park with flexible start times, distances from 5 km to ultra on a tarmac out and back course and a medal or no medal option.
November 2026
Trail races at Oxwich Bay feature 10K, half, marathon and ultra courses across cliffs, dunes, woodland and beaches as part of the Endurancelife season.
30 mile ultra through the Brecon Beacons, climbing to Pen y Fan with 3750 ft gain, five checkpoints and a six hour mid race cut off; limited to 200 entries on 7 Nov 2026.
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.
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