Trail Running calendar near Hafren Forest 2026-2027

Coastal trail races in Abersoch on the Llyn Peninsula featuring 20 km, 10 km and 2 km beach races on 19 September 2026. Routes follow coastal paths and finish on Abersoch Beach with aid stations, chip timing and finish area music.

A Backyard Ultra near Crickhowell on a 4.2 mile loop of trail and tarmac, run in hourly yards with a reversed final lap to decide the winner. Medals for 32 miles and trophies for top male and female finishers.

Multi-distance triathlons in Llanberis with a lake swim in Llyn Padarn, repeated 28 mile bike laps including Pen y Pass, and lake laps followed by a mountain ascent of Yr Wyddfa via the Llanberis Path.

An hourly-loop endurance event in Wyre Forest where runners repeat a 6.7 km forest loop until the last runner remains or 24 hours elapse; wooden medals are given to all and a wooden trophy to the overall winner.

Trail and ruck run event at Cannock Chase Forest on 19 September 2026 offering 5 km and 10 km ruck runs with weighted packs and a solo challenge. Live chip timing, merchandise for finishers and prizes for top competitors.

Ras Pedol Peris is a Classic AL Welsh fell race in Llanberis on 19 September 2026, offering full 28 km and half 14 km routes that visit several Eryri summits including Snowdon. Entries run from 8 April to 17 September 2026.

Fan Brycheiniog is a 15.5 km mountain race in Glyntawe with 840 m of climb. The course runs over rough tracks and open fell and requires navigation and competent mountain skills.

Experience a multi terrain 10k run through the beautiful South Staffordshire countryside. Finishers receive a bespoke medal and homemade cakes in the heart of Brewood village square.

A 10 km trail running event at Cannock Chase on 20 September 2026, organized by Wild Deer Events. Entry is listed at £27 and tickets were made available from 18 December 2025.

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.

A multi day continuous 286 km mountain race across Wales with over 11,000 metres of ascent. Enter solo or in teams of three or six; the course links Llanberis, Yr Wyddfa, Cadair Idris and Pen y Fan with five supported checkpoints.

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.

A functional fitness race at Neath Sports Centre on 26 September 2026 featuring ten Xercises plus running, with solo, doubles and five-person relay options, gendered weight divisions and a LITE weight category.

A community fell race in the Ceiriog Valley on 26 September 2026, covering 11.6 km with 425 m ascent. Entry on the day; refreshments, showers and changing facilities are provided at Canolfan Ceiriog Centre.

A five-lap ultramarathon in Berkeley, Gloucestershire across 25-27 September 2026, covering about 130 miles and 15,000 ft of ascent with a 24 hour cut off and 120 places, organized from Hamfields Leisure with camping and tracking included.

A 9.6 km fell race in Caerphilly with 396 m of ascent and a partially marked course. The date has moved to September, there is a 10 minute walk from parking to the start, minimum age over 18 and team entries are free.

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.

A forest trail half marathon in late September with an officially measured 13 miles 192.5 yards course, no road crossings, water stations about every 5 km and medals for finishers; organised by the Rotary Club for charity.

Trail races at Delamere Forest on 27 September 2026 offering a 13.1-mile half marathon (two laps) and a 10.6 km 10K (one lap), with chip timing, aid stations, marshals and a canicross option.

A coastal 10 km race from Portishead Open Air Pool with mixed terrain and sea views past Black Nore Lighthouse. The undulating route features a midway water station, chip timing and a finisher medal, with entries limited to 350.