Trail Running calendar near Mumbles 2026-2027

We have found 290 Trailruns within 80 miles of Mumbles. See below where and when you can find the races.

30 mile ultra through the Brecon Beacons, climbing to Pen y Fan with 3750 ft gain, five checkpoints and a six hour mid race cut off; limited to 200 entries on 7 Nov 2026.

A multi terrain race of about 12 km around Barton Farm Country Park in Bradford on Avon on 2 November 2025, featuring a river crossing and off road sections; the event raises funds for Alzheimer's Support (West Wilts).

A ten mile cross country race in Chipping Sodbury with muddy, varied terrain and water obstacles. Held on Remembrance Sunday and preceded by a commemorative silence, it draws around 1300 runners.

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.

Mid-November night and day off-road races around the Bath Skyline, offering 500 m, 5 km and 10 km options with marked trails, mud and panoramic city views.

Night trail running series across Somerset with four events offering 5 km and 10 km options and a bespoke wooden finisher’s medal available.

The Llyn y Fan will take place in Llywel on Saturday 14 November 2026. You can run 9 kilometers.

A 10 mile multi terrain fell race around Castle Drogo under FRA rules, with about 1760 ft climb, cupless water stations at Fingle Bridge and the finish, wooded and river sections and a half mile climb on the Hunters Path.

A Movember charity run at Ashton Court Park offering 1.5k, 5k, 10k and half marathon options with chip timing, medals and headbands, mixed path and trail terrain, some hilly sections, and on course refreshments.

A six hour timed event at Dartington Hall with repeat 5 km laps and a canicross option. Mixed terrain, on-site catering and chip timing; proceeds support a new playground.

An evening trail at Dartington Hall with 10K and 5K single-lap courses, 1K and 2K kids races, and canicross. Green Table will host registration and refreshments while the event raises funds for a new childrens playground.

The Smurf Run at Dare Valley Country Park is a seven hour Time Challenge on well maintained park paths, with distances from 3 km up to 50 km. Finishers receive themed medals, distance pins and a goody bag with vegan options.

An off road hill race around Brent Knoll in Somerset on 22 November 2026, roughly 6 miles with a steep summit climb and muddy trails. Facilities at the BASC sportsground include parking, toilets, refreshments and a limited bag drop.

A short fell race of 5.7 km with 485 m of climb on Blorenge near Llanfoist, Abergavenny. Mostly unmarked up-and-down route with steep technical terrain; basic navigation and full kit are recommended.

Two trail distances on 28 November 2026 around Machen, featuring wooded single track, ridgeway exposure and steep climbs. The half course is fully marked while the marathon requires self navigation with marshals at key points.

The final race of the 2026 RTT Series takes place in Afan Forest with separate 5 km and 10 km routes from Bryn Bettws Lodge. The event features chip timing, finisher medals, marked and marshalled routes and water stations.

A club organised race at Blaenwern Holiday Centre in Llanybydder on 29 November 2026 covering 6.5 miles on mixed surfaces; junior and senior categories are included and past results are archived online.

A lap based road event at Rhydycar, Merthyr Tydfil, on a 5.3 km AUKCM certified tarmac circuit along the Taff Trail. Runners choose how many laps to complete within a seven hour limit and can opt for a no medal entry.

December 2026

Part of a 12 Days of Christmas series at Pengethley Manor in Ross on Wye offering 5k, 10k, half marathon, marathon and ultra distances on a tough off road loop. Runners and walkers have seven hours to complete their chosen distance with vir..

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