Trail Running Calendar United Kingdom 2026-2027

Pretty Muddy 5k at The Knavesmire, York on 3 May 2026 is an obstacle course where participants climb, crawl and slide while raising funds for cancer research. The event has wave starts, on-site parking, and a minimum fundraising target.

Trail races at 8½, 6 and 3 miles on trail terrain. The 8½ mile race is seeded by 5 km performance into social joggers, steady runners, fast runners and speedy racers. A 3 mile option allows accompaniment for under 16s.

A club-organised fell race of 6 miles with 1109 ft of ascent held alongside junior races for ages 6 to under 18. The event is registered with the Fell Runners Association and forms part of the Pendle and Burnley Grand Prix series.

The British Inter Counties senior mountain race takes place in Sedbergh on 3 May and includes the Senior trial for the European Off Road Championships. Junior Inter Counties hill and fell races are held at Edale on 14 June within the FRA ju..

A 13.4 km fell race around Talgarth with 610 m of ascent. The course is partially marked and requires navigation; entry is £10 pre entry or £15 on the day and the event is insured by the WFRA.

Guided trail runs at High Lodge in Thetford Forest combine running on miles of woodland trails with facts about the forest and practical trail running tips. Routes include 10k and 16k options and events include both paid and free entries.

A trail festival in Winchester on 4 May 2026 offering four distances from 14 miles to a 50K ultramarathon, fully marked routes, aid stations and parking at Winchester Rugby Club.

A 6.9 mile fell race around Erringden Moor and Stoodley Pike with 1300 ft of ascent, organised under FRA rules from Mytholmroyd Community and Leisure Centre. The course was amended to protect ground nesting birds and parking includes a smal..

Take on the Freddo Mercury Rhapsody Run along a flat riverside towpath at Xcel SPORTS HUB, logging as many 5.3 km laps as you can within a relaxed 7 hour limit. Rock up in a 1.5 hour start window or request a time, with aid stations and opt..

An annual off-road race day around Chepstow Park Woods starting and finishing at Hood Memorial Hall, Devauden. Distances include 10k, 5k, 2.4k for ages 8 plus and a 60m junior dash with a small donation on the day.

MacTuffX Edinburgh on 4 May 2026 offers solo, doubles and five-person relay formats over 10x400m and 10x800m distances. Entrants must be 18 years and over and fees vary by format.

A 6.5 mile undulating trail race around Brierley and Thorpe Woods near Wynyard, organised by Billingham Running Club and run under Trail Running Association and UK Athletics rules.

Spring trail races in Harewood Forest featuring 5k, 10k, canicross and a children's fun run on undulating forest and field routes. Pre-registration only; proceeds support local playing fields and school PTA.

A guided 22 mile trail run around Pickering through wooded valleys and open moorland. Small groups of up to six runners move at a social pace with village drinks stops and an optional post run drink and local food.

A three race series of 5 km canal towpath runs in Methley, Leeds that raises funds for the Jane Tomlinson Appeal. The final meeting includes a 1.5 mile fun run with a school competition and medals for all.

A multi terrain trail run of about 10 km in Hulne Park, Alnwick on 5 May 2026. Entry fees differ for affiliated and non affiliated runners and prizes are awarded to individual and team winners.

A 5.1 km fell race at Fairy Glen near Penmaenmawr with 273 m of climb, part of the North Wales Mid Week Series. A juniors programme has multiple age classes and race day entry is £2.

A hilly five mile trail and fell race from Rainow on the edge of the Peak District, taking in White Nancy and the Kerridge ridge. The event is pre-entry only, serves teas and cakes after the race, and donates proceeds to local charities.

An evening five-mile race on Wednesday 6 May 2026 at Boconnoc Estate, organised by East Cornwall Harriers. The mixed-surface route uses unmade paths, woodland trails and some road sections, with Race HQ in the estate courtyard.

A provisional cross-country on 6 May 2026 covering 5.3 km with 100 m of ascent. Entry on the day costs £10 and this edition is announced as the race's final running.