Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 374 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

A weekend festival at the Pinkery Centre in Exmoor National Park with trail runs, long walks, a sunset swim, guest speakers, social evenings and film screenings, featuring distances from 1.5 km up to 30 miles.

A Malvern Hills event on 20 June 2026 from Colwall Village Hall offering 27 miles (about 5000ft ascent) or 15 miles on tracks and paths, with checkpoints, snacks and a hot finish meal; entries open Oct 31 2025.

A self-navigating trail event on 20 June 2026, finishing at Ludlow Castle, offering a ~30 mile ultra and a ~14 mile half across mixed terrain in the Marches of England.

MacTuffX Bristol on 20 June 2026 in Stoke Gifford pairs ten structured strength and carry Xercises with ten runs. Entrants can compete solo, in doubles or in five person relays with Classic and Double Distance options and an 18 plus age lim..

A 5k obstacle course at The Downs in Bristol featuring muddy climbs, crawls and slides, organised in staggered waves. The event supports fundraising, includes refreshments and toilets, and has specific accessibility and travel arrangements.

Mountain fell race in the Brecon Beacons covering 34 km with 1700 m ascent and eight summits. The anticlockwise route includes Fan y Big, has two checkpoint cutoffs at key points, and is open to runners over 18.

Test your resilience in this 12 hour endurance challenge through the wild beauty of Dartmoor National Park. Run or walk as many 12 km laps as possible to support North Dartmoor Search and Rescue.

A trail 10 km event around the Lake Vyrnwy estate in Llanwddyn featuring mixed terrain, water stations and a finishers medal. Parking is available near the start with a £3 cash charge and minimum age is 16.

A trail running event at Lake Vyrnwy on 21 June 2026 featuring an approximate 10k multiterrain course with water stations, on‑estate parking and finishers medals; awards for the top three men and women.

Umborne Ug is a multi-terrain 10 km run that starts and finishes at Umborne Village Hall near Colyton. The course is mostly off road with a scenic section on the private Widworthy Estate and proceeds support the village hall.

A seven hour Time Challenge at Dare Valley Country Park offering flexible lap distances and themed finisher medals featuring familiar characters. The event includes aid stations, goody bags with vegan options, free parking and distance achi..

A 7-mile multi-terrain race on the Oakdale plateau that starts and finishes by wind turbines and loops the village of Manmoel. Selected as the second race in the East Wales Road Race Championships, with entry fees for UKA and non-affiliated..

An evening fell race on Sugar Loaf from Llanwenarth, about 8.8 km with 350 m ascent. Chip timed and limited to 140 entries, age over 18, with snacks and a prize presentation at the pub afterward.

A 9 km two lap trail race through The Valley country park in Evesham on 24 June 2026, permitting canicross and offering series entry until 1 May 2026. Places are limited and there are no on the night medals or prize awards.

An annual trail race on 24 June 2026 near the Malvern Hills offering 10 km and a new 5 km route, undulating off-road terrain, finisher medals and prizes, on-course water for the 10 km and refreshments at race headquarters.

A technical off-road 10 km through woodlands, meadows and river crossings on the Forde Abbey Estate, plus a free Junior 1500 m for primary-age children. Medals for all and prizes for winners; some participant restrictions apply.

A traffic-free, flat 10 km along the River Exe on 26 June 2026, with a new non-competitive Grecian Mile for under 16s. Fundraising options and youth incentives support the trust's community programmes.

Hospice of the Valleys Inflatable 5k in Cardiff on 27 June 2026 features 5 km and 10 km distances with individual and group entry options and fees of £15 and £20 respectively.

Cheltenham Pretty Muddy 5k at Cheltenham Racecourse on 27 June 2026 is a 5k obstacle course over grass, woodchip and paths with wave starts. Entry fees apply and participants support fundraising for cancer research.

A four hour score event in the Camarthen Fans using pre marked waterproof maps and a full course of about 20 miles. Entry by pre entry costs £10 and includes food, tea, coffee and cake.

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