Trail Running calendar near Mumbles 2026-2027

We have found 315 Trailruns within 80 miles of Mumbles. See below where and when you can find the races.

A summer evening event in Corsham with an adult multi-terrain 10 km race and a 2 km junior race; licensed and insured, with fundraising for local charities.

A two evening 10K in Exeter on a new flat, officially measured road course with pacer trains for a range of target times. Finishers receive a medal and the event features chip timing and full course marshals.

Self-navigated trail event on 11 July 2026 in the Black Mountains offering 13 to 50 mile routes with GPX tracks, checkpoints, chip timing, medical cover and mandatory kit requirements.

A scenic off-road 10 km through the Otter Valley plus a short fun run around Tipton St John playing field. Routes follow riverside tracks, public footpaths and the old Sidmouth railway line, with camping available.

A timed, multi lap run at Parc Taf Bargoed using a 5.3 km out and back lap. Distances range from 5 km to ultra with a seven hour limit and a medal or no medal entry option.

A teams event at The Packhorse in South Stoke on 11 July 2026 where three person teams in compulsory fancy dress collect and carry a full cider barrel from Upper Midford back to the pub. Prizes include fastest time, best fancy dress and tea..

A near entirely off road 17 mile run and walk along the Little Dart River from Rackenford to Bridge Reeve, Chulmleigh, within the North Devon UNESCO Biosphere. The route is marked and offers feed stations, marshals and one day access to pri..

A 5.8 km fell race to the summit of Pen y Fan near Brecon with 588 m of ascent, part of the South Wales Series and the 2026 UKA Fell Running Championship; entries are limited and minimum age is over 16.

Ludlow10 on Sunday 12 July 2026 offers 5k, 10k and half marathon routes through town roads, local woods and trails. Post race hospitality continues into the day.

A *10 km* trail race around Stoke Park in Stapleton, Bristol on 16 July 2026, organised by Town and Country Harriers. Half of entry proceeds go to a local charity and prize categories include Open, Female and age groups.

A multi-distance trek and trail event on the Gower Peninsula based at Penrice Castle, offering camping, GPS-tracked routes, covered rest stops, catering, medical support, and finisher rewards across several distances.

Trail races on the private Merthyr Mawr Estate within Merthyr Mawr Warren National Nature Reserve, featuring a 12K course and a new 40K route that extends along the Glamorgan Heritage Coast.

Three coastal ultramarathons on 18 and 19 July 2026 follow Wales Coast Path into Cardiff Bay, offering 100, 50 and 30 mile options across beaches, dunes, cliffs and forest with checkpoint support and GPS tracking.

Forest Warrior at Huntley Estate includes an obstacle mud run with climbs, crawls, hills and muddy swamps, plus a mostly obstacle free mud run. A separate kids 1 km race includes a medal and drink.

An endurance event at Huntley Estate on July 18, 2026 that pairs eight physical strength tests with 1 kilometre off-road runs after each test, with official times, medals, age group categories, parking and space for spectators.

A 12 hour night trail event at Bridgend Miniature Railway where runners complete as many 10 mile loops as they can across two to three route options, with marked routes, Base Camp support and a 30 runner limit.

A 5 km mud obstacle course at Westpoint, Exeter on 18 July 2026 featuring climbing, crawling and sliding. Open to ages 13 and over, with staggered wave starts, on-site parking and a minimum fundraising target.

Wye Valley Tunnel Run on 19 July 2026 features fun runs plus 10 km, half marathon and marathon routes that use the Wye Valley Greenway and long tunnel. Courses are well marked with feed stations and event medals.

Two trail races in Aymestrey, Herefordshire, both climbing to the Iron Age hillfort at Croft Ambrey. Routes are fully marked with water stations and a separate juniors 2 km race with medals.

A traditional off-road fell race on 19 July 2026 at Selworthy Beacon, about 4 miles with 1000 ft ascent and self-navigation required; entry is £12 for FRA members and £14 for non-members.

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