Trail Running calendar near Mumbles 2025-2026

We have found 179 Trailruns within 80 miles of Mumbles. See below where and when you can find the races.

Black Beacon runs around Hay on Wye from 31 Oct to 2 Nov 2025, taking runners across the Brecon Beacons and Black Mountains. Choose from epic 100 mile to scenic 21 mile courses with checkpoint support and mountain terrain.

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November 2025

The Haldon Halloween Twilight Run takes place in Haldon Forest near Exeter, Great Britain, offering a festive running experience on November 1, 2025. Participants can choose from three distances: a 2.5 km fun run, 5 km, and 10 km races, inc..

Take on a 30 mile trail ultramarathon through the Brecon Beacons, starting and finishing in Merthyr Tydfil on 1 November 2025. Expect rugged trails, a climb to Pen y Fan summit and supportive checkpoints on a testing scenic course.

Join the Devon Trail Races at Roadford Lake on 1 November 2025 for a scenic, muddy course featuring a 10K single loop and a two lap half marathon. Canicross entries welcome at both distances for runners with dogs.

The Cornish Marathon in Pensilva is a scenic but challenging road marathon with about 2200 ft of ascent, passing Golitha Falls, Colliford Lake and Jamaica Inn. Rolling Cornish hills and a steep climb near mile 24 make for a memorable finish..

Twmbarlwm Terror is a rugged 7 mile multi terrain race from Risca to the Twmbarlwm peak and back, featuring about 1000 ft of climbing and challenging underfoot conditions. Take on the summit and enjoy complimentary tea, coffee and cake afte..

Run the rugged foothills of the Brecon Beacons on 8 November 2025 with the Beacons Ultra, Marathon and Half in Talybont on Usk. Choose from 49 mile ultra, 26 mile marathon or 13 mile half on scenic trail, mountain and canal terrain.

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Run the stunning Gower coastline at Oxwich Bay on 8 Nov 2025 with routes across cliff tops, dunes, woodland and beaches. Options from 10K to Ultra suit every level while full marking and electronic timing keep the focus on the views and the..

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Explore the coast and commons at East Devon 8 Trigs, a self navigated trail from Budleigh Salterton with Half, Marathon and Ultramarathon options. Solo runners, pairs and walkers will visit trigs, stamp cards and enjoy coastal views.

Tackle the Salt Settlers Six Hour Race in the scenic Lower Otter valley, solo or in pairs on a mostly flat loop. Aid stations, a club cafe and hot showers keep you going, and every participant receives a special memento.

MoRunning returns to Ashton Court Park in Bristol on 9 November 2025 with 1.5k, 5k and 10k trail friendly routes that mix paths, mud and a testing hill. Support Movember for men's health, grab a finisher medal, wear fancy dress and join the..

Run forest trails at Margam Country Park on 15 November 2025, choosing from 21 km, 10 km or 5 km routes. Fully marked courses with checkpoints and GPS files; entries include parking, timing, a medal and free photos.

Test your limits at Trails and Tarmac 12 hour Backyard Ultra in Crickhowell, featuring a scenic 4.2 mile loop of trail and tarmac completed each hour. Stay for the final sprint to claim the trophy or earn medals for every loop and 32 miles.

The Burrator Noir is a unique running event featuring a 12-mile night trail run and a 10k road race, set at the picturesque Discovery Centre at Burrator Reservoir. Participants will navigate a diverse trail that includes moorland, rocky pat..

Enjoy night and day races across Bath Skyline's stone paths, woodland trails and open meadows, with 5km, 10km and a kids 500m plus a dedicated daytime canicross wave. Glow stick marked night courses make for a magical running experience.

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an..

The MT10 (Multi-Terrain 10) is a 10-mile (16 km) off-road trail run held at Pembrey Country Park and along Cefn Sidan Beach in Carmarthenshire. The course features a mix of soil and firm sand surfaces, providing a varied terrain that accomm..

Tackle the Drogo 10, a 10 mile fell race around Castle Drogo with steep climbs, woodland trails and river running across rugged, muddy terrain. Limited entries and half the entry fee supports the National Trust caring for the estate.

Join a colourful Colour Run or tackle a scenic 5k trail through Box village and the Bybrook valley with views of Box Tunnel. This inaugural community event supports Box Primary School and serves refreshments and finisher certificates.

Take on the Dart Challenge at Dartington Hall, Totnes, a six hour trail where you can run, hike or walk as many 5 km laps as you like for a finisher medal or bigger distance goals. Canicross welcome and proceeds help fund a new playground.