Trail Running calendar near Gloucester 2025-2026

We have found 353 Trailruns within 80 miles of Gloucester. See below where and when you can find the races.

Experience Cranborne Chase from Salisbury Racecourse on scenic undulating trails. Choose marathon, half marathon or 10k along ancient droves and woodland tracks, with parking, showers and a medal for every finisher.

Race scenic trails at Margam Country Park with castle views on a 5K or 10K loop. Fully marked and marshalled with chip timing, water stations and a finisher medal, ideal for new and experienced runners.

October 2026

Wild Run Cotswolds invites trail lovers to Cornbury Park for scenic, undulating single loop routes from 10K to the marathon plus a six hour 360 challenge. Family friendly, fully marked and marshalled, entries limited to 600 runners.

Enjoy scenic undulating forest trails at Alice Holt with 5k, 10k, Half Marathon and junior distances run over 5k loops. The event is postponed until Spring 2026 and raises funds for GUTS to support bowel cancer detection and research.

Push your limits at Loop Til You Drop Backyard Ultra at Turvey House. Run a 6.7 km loop each hour, starting on the hour, and see who lasts longest; single, paired and 7 Hour Max entries welcome.

RunThrough UK invites runners to the Cannock Chase Running Festival at Birches Valley, a scenic forest course offering half marathon, 10K, 5K and junior races. Expect chip timed results, themed medals and a lively event village.

Tackle rolling climbs and sweeping Chiltern views at the Frieth Hilly 10 km and 5 km Run, set on mixed woodland paths and country roads. Expect a scenic but challenging route between Frieth and neighbouring villages.

Blaze the Biblins is a lively 6 miles trail race through ancient woodland, riverside paths and historic ironworks, featuring climbs and technical single track. Enjoy prizes, a memento and post race tea and cake; entries are limited.

Creepy Crawl on 21 October 2026 at Pengethley Manor offers 5k to ultra distances on a challenging off road loop through hills and two vineyards. Ideal for runners and walkers craving a scenic, gritty test of endurance.

November 2026

Join the Windsor Trail Run on Sunday 8 November 2026 in Alexandra Gardens, Windsor for 10K and half marathon off road routes through royal Berkshire. Chip timed races, friendly marshals, an event village and tasty post race goodies await.

Night Descent 32 Ultra is an overnight, staged 32 mile challenge around Bridgend on 14 November 2026, split into four progressive stages. Prepare for trail night running with required headlamp, reflective kit and aid stations between stages..

December 2026

Tackle the Nightmare Before Xmas Trail half marathon on 19 Dec 2026 a festive, muddy trail with climbs, forestry and scenic views. Only 70 entrants, plus a finisher medal, mince pies, hot drinks and a best fancy dress prize.

July 2027

The Birmingham Black Country Half Marathon is a running event held in the Black Country region near Birmingham. Organized by StuWeb Events Ltd., the race covers the half marathon distance of 13.1 miles. While specific details about the cour..