Monmouth
Trail Running Calendar near Monmouth 2026-2027
Explore the top trail runs near Monmouth for 2026-2027! We've gathered 132 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Trail races in Talybont-on-Usk on 8 August 2026 offering 24K and 51K routes with marked courses, aid stations, chip timing and an event village.
A pancake-flat 10 km out and back along the Brecon and Monmouthshire canal between Gilwern and Llangattock, set in the Brecon Beacons National Park. Finishers receive a medal, there is a drink station at 5 km, and entries are online only.
A social 5K in Newport with music and mobile speakers, meeting and finishing at banc coffee & records; tickets are free and under 14s require a parent or guardian.
Obstacle course races at Badminton Estate on 16 August 2026, with Sprint 5 km, Super 10 km, Beast 21 km plus a kids race and spectator options.
Trail 10k and new 5k around the Malvern Hills foothills with finisher medals, prizes, field parking and a two hour cut off.
A timed, flexible run along a 3.28 mile out and back route beside the Stroud Waterways canal. Runners choose distances from 5 km up to ultra and may complete as many laps as they wish within a seven hour limit.
A 9.8 km traverse near Pontypool with a 291 m climb, junior race distances and three-person team entries.
September 2026
A navigational endurance march in South Wales offering a full 64 km route and a 32 km half with self navigation and guided group options.
A new 15 mile trail event in September 2026 on the Rhymney Valley Ridgeway Walk, with 2,267 ft of ascent, mostly off-road terrain, one fully stocked checkpoint and organised entry support from Rudry to Parc Penalta.
Trail-style races through Westonbirt Arboretum offering Half Marathon, 10 km, 5 km and a 1 Mile fun run across September and February events.
A riverside running festival on 6 September 2026 with 10 km, 5 km and a family fun run. Chip timing on multi terrain routes, canicross options, basic on site facilities and medals for all finishers.
Waun Fach on 6 September 2026: a 11.2 km, 610 m ascent fell race on a classic horseshoe route with marshals, limited to 50 entries; fee covers parking and light refreshments.
A small community trail race in Epney, Gloucestershire covering approximately 10 miles along canal towpath and local footpaths, starting and finishing near The Anchor Inn.
Run as far as you like at Alice in Runderland, a timed multi lap event at Parc Taf Bargoed with flexible start times and on course support. Choose from one lap up to marathon and earn a bespoke finisher medal.
A long, non-commercial fell race in the Black Mountains with a 27.4 km route and 1586 m of ascent. The event uses five checkpoints, requires full navigational kit, and operates on open access land with no on-course water provided.