Trail Running Calendar United Kingdom 2025-2026

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.

Take on the Welsh 3000s in a guided 30 mile mountain run across all 15 peaks of Snowdonia, including the dramatic Crib Goch traverse. This non competitive supported run includes guides, transport and food stations for a mountain experience.

Take on the 50 km Boudicca Way ultra from Diss to Trowse, Norwich on Saturday 12 September 2026, passing scenic villages and trails. Runners and walkers welcome in this supported event with checkpoints, finish meal and medals.

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.

Circumnavigate Lake Windermere in THE LAP, a fully way marked 47 mile trail ultra for runners and walkers with a 24 hour limit. Expect stunning lake and fell scenery, stocked aid stations and a locally sourced finisher meal and medal.

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.

Take on the Thames Path Ultra on 12 and 13 Sep 2026, with continuous or two day routes from Fulham to Henley along scenic Thames. GPS tracking, signed support, medical care and on route massage plus a medal, T shirt and finishers meal await..

Take on the Dartmoor Volcano Race, a scenic 10.5 mile trail around Ryders Hill and the Red Lake Volcano with over 550 metres of ascent across rugged moorland. Limited to 250 runners, finishers earn a bespoke medal.

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 50K along the stunning Suffolk coast from Lowestoft to Aldeburgh, passing Southwold and Dunwich with friendly aid stations and live timing. Enjoy sea views, marshals and a finisher medal for a memorable coastal ultramarathon.

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..

Take on the Isle of Wight Fell Race Series in Ventnor on 12 and 13 September 2026, featuring three scenic but testing hill races across St Boniface, the Ventnor Horseshoe and Wroxall Round. Entries open 22 October 2025.

Discover the Shere Multi Terrain Event, a scenic trail running festival in the Surrey Hills AONB with 10k, 21k and marathon routes that showcase dramatic views and big climbs. Expect an expo village, on site food and fortnightly training ru..

Run the scenic, hilly Farnham Pilgrim Half Marathon on 13 September 2026 in the Surrey Hills, starting at The Sands Recreation Ground. Enjoy off road, multi surface trails, plentiful aid stations, marshals and sweeping views.

Run the scenic Yorkshireman off road marathon or half across moorland, trails and woods with big climbs and stocked feed stations. Chip timing, guided reccy runs and limited entries make it a popular rugged test for trail and fell runners.

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..

Bradley Fell Race in Bradley Village near Skipton is a scenic BOFRA Championship event with a 3.5 miles (5.6 km) senior course climbing about 800 feet across moorland. Registration and the race start will be from the junior field this year.

A scenic 13.1 mile trail through Richmond Park, starting and finishing at Sheen Gate. Rolling trails, lakeside views and woodland wildlife make this a refreshingly classic half marathon for runners of all levels.