Trail Running Calendar United Kingdom 2025-2026

Guided 10km evening trail run around Silent Pool, following the North Downs Way through Netley Heath to Shere. Sunset and headtorch night runs are social guided outings not races, ideal for fit trail runners.

Run the Robin Hood 100 miles ultra from Retford, a scenic trail course that follows canal towpaths and winds through Sherwood Forest. Expect runnable trails, iconic Major Oak views, staffed aid stations and a friendly atmosphere.

Conquer the Welsh 3000s in Snowdonia on a guided mountain run traversing all 15 peaks over 3,000 ft, including Crib Goch. Around 30 miles with 4,000 m ascent, this epic daytrip blends big mountain scenery with expert guides and support.

Take on the 50 km Boudicca Way ultra through scenic Norfolk countryside from Diss to Trowse, Norwich on 12 September 2026. Limited to 250 runners, enjoy checkpoint support, GPS tracking and a warm finishers meal.

Run scenic, undulating woodland and lakeside trails around Bewl Water in Lamberhurst, Kent, with distances from 10K to a 50K ultra. This biannual series, praised by Runners World, offers measured courses, route maps and finisher medals.

THE LAP circumnavigates Lake Windermere in about 47 miles of runnable, flowing trails for runners and walkers. With a 24 hour time limit and full support including aid stations, GPS tracking and a finisher's meal, it offers a friendly ultra..

Take on the Leeds Country Way In A Day, a 100 km loop around Leeds on waymarked trails that showcase West and North Yorkshire views. Mostly rural with checkpoints, aid stations and a finisher medal for completing the full circuit.

Run or walk the Thames Path Ultra Challenge from Putney to Henley, with distances from a 10 km riverside loop up to the full 100 km ultra. Choose a one day push or a relaxed two day option with midway camping and festival vibes in Henley.

Take on southern Dartmoor in this 10.5 mile trail challenge with over 550 metres of ascent and a dramatic volcano climb. Limited to 250 runners, the route features river crossings, bogs and sweeping moorland views.

Ultra X England is trail running from Edale in the Peak District with six distances from a 12 km Dash to a 110 km two day challenge. Aid stations, camping options and UTMB Index status for select races make it ideal for adventurous runners.

Run 50 km of scenic Suffolk coastline from Lowestoft to Aldeburgh on a mostly flat point to point course that rewards steady pacing and coastal views. A UTMB World Series index race with four aid stations and full marshalling.

Celebrate the 20th anniversary of the River Ayr Way Challenge, a stunning 40 mile ultra along Scotland's River Ayr on 12 September 2026. Expect rolling countryside, a coastal finish, and a friendly field of runners from across the UK.

The Nine Edges is a 20 mile off road endurance across Peak District moorland and gritstone edges, perfect for adventurous runners and walkers. Organized by Edale Mountain Rescue, it offers checkpoints, a free finish drink and bus return to..

Experience the Isle of Wight Fell Race Series in Ventnor on 12 and 13 September 2026, with three scenic, challenging races from a 3.8 km junior climb to a 21 km classic. Organized by Ryde Harriers, the weekend hosts the SEAA Fell Running Ch..

The The Shere 42k Multi Terrain Event will take place in Shere on Saturday 12 September 2026. You can run between 10 and 42 kilometers.

Take on a scenic multi terrain marathon or half marathon through the rolling Surrey Hills from Farnham. The off road, hilly course features plenty of aid stations and friendly marshals to keep you moving.

Run the Yorkshireman Off Road Marathon or half marathon through stunning Brontë Country around Haworth on 13 September 2026. Expect rugged trails, big climbs, chip timing and full race support, with solo and pairs options for the full.

Join Rye Ancient Trails 30k or 15k through the High Weald, linking Norman churches with rolling hills, woodland and coastal views. Enjoy a town crier start, friendly community marshals and post race tea and cake.

Join the Alf Shrubb Memorial 10k and 5k in Slinfold, a friendly trail race through West Sussex countryside finishing at Slinfold Cricket Club. Chip timing, medals, cakes and a licensed bar make it a lively community fundraiser supporting lo..

Experience classic Yorkshire fell running at Bradley Fell Race near Skipton. Junior categories and a senior 3.5 mile course packed with climbs, big views and BOFRA championship status, with parking on the field.