Trail Running Calendar United Kingdom 2025-2026

Ultra X Scotland is a multi day ultramarathon in the wild Scottish Highlands near Inverness on 2 to 3 May 2026. Choose from distances to 110 km in single day or two day formats and enjoy fully marked trails, camping and on course support.

Take on the Welsh 3000s Ultra Run on 2 May 2026 in Snowdonia, a guided mountain run over all 15 Welsh 3,000 ft peaks. About 30 miles with 4,000 m of ascent, Adventure Awaits provides expert guides, a support vehicle and food stations.

Take on the HOWUM 2026 30 mile trail ultra around Llanidloes, following scenic paths past reservoirs, the Severn source and historic waymarked trails. With no time limit and three supported checkpoints this is a wild friendly challenge.

Join a guided 30 miles group run along the North Downs and Greensand Way from West Hanger near Guildford, taking in Box Hill, Leith Hill and Holmbury Hill. Intended for experienced trail runners able to sustain about 10 minutes per mile, wi..

Run the new Fife Pilgrim Way Ultra on 2 May 2026, a 90K route across historic Fife finishing at St Andrews Cathedral. Enjoy coastal towns, rolling countryside, hot food at select aid stations and a finisher medal plus T shirt.

Three day Mid Sussex Marathon Weekend in early May offers undulating multi terrain races across East Grinstead, Haywards Heath and Burgess Hill. Enter single town races or combine all three to complete the marathon with virtual entries.

Take on the CBTE Esk Valley Epic, a 36 mile tracked ultra around the scenic Esk Valley from Glaisdale. Tackle big climbs, enjoy checkpoint support and earn a finishers medal and shirt to celebrate this classic northern challenge.

Join Run Silchester on 2 May 2026 for 2.5, 5 and 7 mile trail runs around the Roman wall, ancient woodland and a 12th century church. Family friendly festival atmosphere with stalls, music and proceeds supporting local community causes.

Finish on the sandy Gott Bay at the Tiree 10k and Half Marathon, a scenic Hebridean island race with lively post race festivities. Pick the 10k or run two loops for the half and soak up big sea views.

Tackle a classic Lake District fell race in Coniston: 14 km of rugged trails with 1065 m of climb, rewarding effort with stunning upland views. Proceeds support Coniston MRT and pre entry is required.

Join the Cake Race on Sat 2 May 2026 in Diggle, starting from the Diggle Hotel, for a scenic 16 km fell challenge over the Pennines. Fast times, team prizes and a quirky cake reward for bakers make this a must do spring race.

Hit the Cotswolds trails with Tempo Trail Races on Sunday 3 May 2026, featuring distances from 10K up to a 100K ultra. Pick your challenge or try the new 50K option for a weekend of scenic, adventurous running.

Run a scenic woodland course at Culden Faw Estate on 3 May 2026 with solo, pair and team relays plus timed 5K, 10K and the Henley Downhill Time Trial. Expect gentle undulations, a climb before 3 km and a long downhill finish with chip timin..

Run the Three Forts Challenge on the scenic South Downs on 3 May 2026, following rolling chalk and flint trails with some technical sections and fantastic views. Choose marathon, half or 5 mile routes with strong marshal support and proceed..

Join a guided trail run at Box Hill, Dorking covering 12.5 miles with about 1000 m of ascent through steep, technical woodland and open fields. This noncompetitive group run suits fit trail runners and finishes with an alcohol free beer.

The Bluebell Bash is a trail running event in Manswood, Wimborne, UK, organized by Tri-Counties Trail Running. It offers three distances—half marathon (13.1 miles), 10K, and 5K—with full accessibility for canicross. Runners traverse scenic..

Join a guided Paddy Buckley recce and fun run across the Moelwyns from Capel Curig to Nantmor on 3 May 2026, covering about 35 km with 2,500 m of ascent through stunning Snowdonia scenery. Small groups and experienced Mountain Leader guides..

BigWayRound Winchester is a scenic trail run around the Itchen, St Catherine's Hill and the South Downs, offering 14 mile to 50K distances. Timed chip results, fully marked course and a bespoke medal or choose a tree planting instead.

Enjoy spring trails at Harewood Forest in Hampshire with Muddy Runners, choosing from 5 km or 10 km routes across undulating woodland tracks. A friendly, scenic race perfect for trail newcomers and regulars alike.

Start the Jane Tomlinson Canal Race Series with a flat 5 km along the scenic canal towpath in Methley on 5 May 2026. Community race raising funds for the Jane Tomlinson Appeal with age category prizes.