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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 49 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

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
Run a 9 mile loop repeatedly within an eight hour limit on mixed terrain near Bridgend with on site support and a bespoke finish medal.
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 fell race on 3 October 2026 with a 3.2 km route and 305 m climb near Storey Arms, included in the South Wales Series; entry on the day £2.
Multi terrain races at Margam Country Park on 4 October 2026 with individual and canicross options plus a Countdown Ultra of 12 5 km laps.
A multi-terrain 10 km race or walk around Llandybie on 11 Oct 2026 with steep climbs, a walking option, limited entries, and proceeds going to charity.
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.
Trail races at Oxwich Bay with a self-navigation half marathon plus marked 10K and 5K over coastal, woodland and dune terrain on 18/10/2026.
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 fell event at Pen y Fan on 31 October 2026 with three ascents via six different routes and classic and 16 kg weighted categories.
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 on 7 Nov 2026 offering 10K, half, marathon and ultra across cliffs, dunes, woodland and beaches with Season Leaderboard points.
A 30 mile trail ultra in the Brecon Beacons with 3750 ft elevation, five checkpoints, a six hour mid race cutoff, and compulsory mountain safety kit.
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 runs in Margam Country Park and Forest on 14 November 2026, offering a fully marked half marathon and 10k on forest trails with checkpoints, safety cover, and included car parking.
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