Trail Running calendar near Tywyn 2026-2027

Run 24 hours along Offa's Dyke National Trail from Prestatyn on May 9 2026. Solo and team entries offer a continuous coastal to countryside challenge with staffed checkpoints and a finishers medal to mark your achievement.

A 10 hour loop race on Mynydd Troed with steep climbs, technical descents and marked clip stations. Open to solo runners, pairs and teams of four, with mandatory kit and a strict 10 hour cutoff.

A Welsh trail event offering a 100-mile loop from Abergavenny and a 100 km route from Talgarth to Abergavenny, both following Offa’s Dyke, Cambrian Way and Beacons Way across mountain terrain.

A 115 km multi-discipline race from Abersoch beach to Snowdon and back, featuring a 1.5 km sea swim, two 49.5 km bike legs and a 12 km mountain run. The 2026 edition reached its 400 place capacity.

A set of off-road fell races in the Preseli hills featuring a 10.8-mile Bach and an approx 24-mile Beast with substantial ascent, marked and partly supported courses, category prizes, and WFRA safety and kit requirements.

Apocalypse Ultra in Church Stretton on May 9 2026 offers four distinct loops that can be combined into distances from 10 to 50 miles. The event features a 16 hour limit, HQ food, electronic timing and limited places.

A 5k obstacle course at Weston Park on 09 May 2026 where participants climb, crawl and slide over paths, tracks and grass. The event supports fundraising, includes on-course marshals, and provides refreshments, toilets and parking.

A 12.8 km fell race near Llanberis with 915 m of climb, a ridge route over Moel Eilio, Foel Gron, Foel Goch and Moel Cynghorion, and navigational challenges in poor visibility. Registration is at The Heights Hotel.

A guided recce of the Paddy Buckley leg from Nantmoor to Beddgelert Forest over the Hebogs, covering 15 km with 1,580 m of ascent. Small groups are led by Mountain Leader qualified guides who have completed the round.

Trail running at Margam Country Park on 10 May 2026 offering 5 km, 10 km and half marathon routes. The event is canicross friendly, uses live chip timing and includes a finisher medal and refreshments.

Experience an off road running event in the Clwydian Range featuring marathon, half marathon, and 10k distances. Take on hilly trails with sustainable local support and options for canicross runners.

An off-road 10K along the Llangollen Canal on 10 May 2026, based at Llangollen Leisure Centre. The event also includes a kids 1 mile; entries include a Bespoke finisher medal and have specific age, refund and image use rules.

A short fell race from the Railway Car Park at Rhyd Ddu covering 4 km with 410 m ascent. The route is partially marked and navigational skills are required.

A short fell race in Church Stretton on 13 May 2026 covering 5.6 km with 268 m ascent. Entry is on the day for £7 and registration is at Church Stretton Cricket Club; junior options are available.

Ultra-Trail Snowdonia by UTMB is a UTMB World Series trail running event in Llanberis, North Wales from 15 to 17 May 2026. It offers multiple mountain race distances from 25 km to 163 km with significant elevation gain.

A looped trail marathon and a 10 mile race in the Brecon Beacons, starting and finishing at Parkwood Dolygaer, featuring mountain climbs, three marathon checkpoints, and a six-hour cutoff at 20.5 miles.

A multi lap running event from The Unicorn Inn in Telford with routes of 8, 16 and 26.2 miles passing Ironbridge Gorge and returning via the Silkin Way. Ales, pub food and event bling are available after the runs.

A new 50K route from Telford Town Park to Shrewsbury that visits multiple historic Shropshire sites. The event includes chip timing, five nutrition stations, measured routes, free photos and a special series-linking segment medal.

A community Pretty Muddy 5k obstacle course in Singleton Park on 16 May 2026, with mixed grass and path terrain, staggered wave starts and accessibility provisions including sunflower wristbands and BSL stage content.

A mountain race on Cader Idris of 16.9 km with 915 m of ascent, run on a partly marked route that requires navigation and experience. Entries open online with a limit on competitors and chip timing in place.