Monmouth
Trail Running Calendar near Monmouth 2026-2027
Explore the top trail runs near Monmouth for 2026-2027! We've gathered 128 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
June 2027
Military themed D Day series run at Parc Taf Bargoed with 5.3 km laps; choose distances up to ultra within a seven hour time limit and earn commemorative medals.
Timed run along a 3.28 mile out and back canal route in Stroud with flexible starts, multiple distance options and a seven hour time limit.
A hilly trail 10k on 13 June 2027 in the Begwyn hills above Llowes near Hay-on-Wye, with free hot and cold refreshments and views toward the Brecon Beacons and Black Mountains.
A Pretty Muddy 5k at The Downs in Bristol with grass start and finish, mixed terrain and obstacles to climb, crawl and slide. Staggered wave starts apply and the event supports Cancer Research UK with a minimum fundraising target.
A 5k obstacle course at Cheltenham Racecourse where participants climb, crawl and slide through a mixed-surface loop while raising funds for Cancer Research UK.
July 2027
A 10 hour loop endurance challenge on Mynydd Troed with roughly 2.7 mile marked laps, about 1,000 ft ascent per lap, solo, pairs and four‑person team entries.
Forest Warrior RISE AGAIN at Huntley Estate is a chip timed 8 to 10k obstacle mud run featuring climbs, crawls, hills and muddy swamps.
Flat races along former railway and riverside paths through the Wye Valley, featuring long tunnel sections, multiple feed stations and a choice of fun runs, 10km, half and marathon.
A 100 miles mountain ultramarathon across the Brecon Beacons on 24 July 2027 with 6143 m ascent, ten checkpoints, mandatory navigation skills and live GPS tracking.
A self-navigated 100 km across the Brecon Beacons with 3178 m ascent, six staffed checkpoints, strict qualifying criteria and a 24-hour cut-off.
A navigation challenge in Cheltenham where participants are blindfolded and dropped at an undisclosed location, then must find their way back without maps or GPS.
Timed multi-lap event on a 3.28 mile out and back along Stroud Waterways offering distances from 5 km to ultra with a seven hour limit and a bespoke finishers medal.
August 2027
Trail running in Brecon Beacons National Park on 7 August 2027 with 51k and 24k courses across moorland and mountain ridges, on marked routes with aid stations and chip timing.
Obstacle course races at Badminton Estate in South Gloucestershire on 15 August 2027, featuring Sprint 5 km, Super 10 km, Beast 21 km and a kids race.
A 35-mile trail ultramarathon on 29 August 2027 from Chepstow Castle along the Wye Valley Trail and Offas Dyke, returning through the Tiddenham Tunnel with live music at the finish.
September 2027
Races through Westonbirt Arboretum offer half marathon, 10km, 5km and a 1 Mile fun run on solid forest paths with medals, feed stations and limited parking.
An annual non-commercial 27.4 km fell race in the Black Mountains with five checkpoints, full kit required and online entry via Fabian4.