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.

Breidden Hills is an 11.5 km fell race around Criggion, Shropshire with 790 m of ascent. The course is partially marked so navigational skills and kit checks are required, entrants must be over 18 and entry is £8.

October 2026

A continuous 100 mile circumnavigation of Dartmoor along the waymarked Dartmoor Way, with six indoor checkpoints, GPS tracking and a 34 hour time limit. Entry requires age 21 plus a prior 50 mile finish within the qualifying period.

A six hour looped race in the Lower Otter valley on a 4.4 km circuit. Solo and pairs relay options, aid station every loop, plus on-site cafe, bar and hot showers.

East Devon 8 Trigs on 3 October 2026 in Budleigh Salterton offers self navigated half, marathon and ultra options with solo or pairs entries, GPS tracking and trigpoint stamping across varied coastal and commons terrain.

A seven hour Time Challenge at Dare Valley Country Park offering flexible lap-based distances, finisher medals and pins, aid stations with snacks and vegan options, goody bags and free parking.

A short fell race from the Storey Arms lay-by on the A470, covering about 3.2 km with 305 m of ascent; the course requires experience and navigational skills. Entry is £2 on the day and junior races are to be confirmed.

A trail half marathon in the Quantock Hills on 4 October 2026, featuring technical forest trails, moorland and stream crossings, with marshals, two feed stations, awards and weekend camping and bunk house options.

MacTuffX Brierley Hill on 4 October 2026 is a functional fitness race in the West Midlands combining ten Xercises with repeated runs across two distance formats. Entries are solo, doubles or five-person relays and all entrants must be 18 or..

Bristol Epic Trail Sponsored By GORUCK is a trail running event at Ashton Court Estate in Long Ashton, Bristol on Sun 4th Oct 2026. Entry details, reviews, photos, course maps, and results are provided for the event.

A chip timed 10 km trail race on 4 October 2026 through Somerset countryside, passing a prehistoric long barrow. The event includes a bespoke medal, Race Nation app support, camping nearby and proceeds shared with two charities.

An inflatable obstacle event in Cheltenham on 10 October 2026 offering 2.5k to 15k routes, music zones, a non timed format and a finisher's medal. Family and group options, on course water, medical cover and on site vendors.

A 32 mile trail through the Cambrian Mountains from Camp Plas near Dolanog, capped at 100 runners and fully marked with checkpoints and a 14 hour cut off. The weekend includes on-site camping, catering, live music and lakeside activities.

A 55 km circular trail in the Forest of Dean that requires GPX navigation across single track, ridges and riverside sections. The event offers staffed aid stations, canicross category, support vehicles and a finishers medal.

A 50-mile LDWA members-only event from Crowcombe Village Hall, run as two loops through the Brendon Hills and the Quantocks to showcase West Somerset in autumn. Pre-selection entry, mandatory kit, a live tracker and qualifying prior distanc..

A 24 hour looped endurance event in Haldon Forest where runners complete one lap every hour and choose distances from 10k to ultramarathon. The final lap decides the winners and all participants receive wooden medals.

The Twin Peaks Race in Aberystwyth challenges runners with ascents of both Pen Dinas and Constitution Hill on an 11.7 km route. A shorter junior race on the promenade is also available. The event features varied terrain and finishes with a..

Trail race in an Area of Outstanding Natural Beauty around Biblins Youth Campsite, Ross-on-Wye covering approximately 6 miles or 10k on mixed trails and single track. Entry is limited to 200 runners and prizes include individual and team aw..

MacTuffX Swindon at the County Ground on 11 October 2026 pairs ten Xercises with running across solo, doubles and relay formats, with an 18 plus age requirement and a LITE weight division available.

A ridge fell race on the Cat's Back in the Black Mountains covering about 11.7 km with 492 m of ascent. The route includes steep climbs, technical rocky sections, a trig at the summit, and a ridgeline descent back to the event field.

A community off road running event in Marshfield on Sunday 11 October 2026 with children's and adult distances. Entries support Marshfield Primary School and the routes use temporary access across private land.

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