Trail Running calendar near Merthyr Tydfil 2026-2027

We have found 368 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

A 7 hour Time Challenge at Dare Valley Country Park with flexible distances from 3 km to ultramarathon options. Finishers receive a themed medal, distance pins and refreshments including doughnuts and ice cream.

A short fell race on Fan Fawr covering 3.2 km with 305 m of climb, requiring experience and navigational skills. Entry is on the day only for £2; minimum age over 16 and junior races to be confirmed.

A trail half marathon through the Quantock Hills with technical trails, climbs, stiles and stream crossings. The route has marshals, two feed stations and clear signage, with awards for top finishers and weekend camping and bunkhouse option..

MacTuffX in Brierley Hill on 4 October 2026 combines ten Xercises with runs in solo, doubles and relay formats; entrants must be 18 or older.

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.

Trail event at Ashton Court Estate offering 6 km and 10 km trail or ruck options with GORUCK Rucker 4.0 and competitive or open categories.

A beginner friendly off road 10 km along the River Wye from Ross on Wye with nearby facilities, parking and a bespoke finisher medal; postponed until 4 October 2026.

Autumn Challenge Day 1 on 10 October 2026 near Exmouth features 5.3 km tarmac laps on an accurately measured road course with a flexible start under an 8 hour timed format.

An inflatable obstacle course event in Cheltenham on 10 October 2026 offering 2.5k to 15k distances, on course music, a finisher's medal and family friendly entry rules.

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 Forest of Dean trail race at Beechenhurst featuring varied single track, riverside and ridge sections, on-course aid and medical support, plus a separate canicross category.

A 50 mile LDWA qualifier in Crowcombe on 10 to 11 October 2026, run as two loops onto the Brendon Hills and the Quantocks; entries require a recent 30 mile completion.

A 24 hour looped endurance event in Haldon Forest where runners complete one lap each hour for 24 hours, with distances from 10k to ultra and on site facilities.

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..

A functional fitness race at Swindon County Ground on 11 October 2026 with solo, doubles and five person relay options and ten exercise stations alongside repeated runs.

A fell race on the Cat's Back ridge in the Black Mountains covering about 11.7 km with 492 m ascent, run under WFRA rules with chip timing and on-site facilities.

Off-road family races on 11 October 2026 at Withymead Playing Fields with 2 km, 5 km and 11 km options, organised to raise funds for Marshfield Primary School PTA.

A 10 mile multi terrain race around Colyton with about 80% off road, woodland climbs, two cupless water stations and age category prizes.

A community-focused trail event at Blaise Castle Estate offering 1K, 5K and 10K distances, cultural food, live music and activities. Organised by Black Trail Runners to increase ethnic diversity in UK trail running.

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