Trail Running Calendar South East (England) 2025-2026

Join a guided 10 km trail run from Silent Pool, exploring the North Downs, Netley Heath and picturesque Shere. Led by an experienced coach with gear trials and sunset or headtorch night editions, it is social and not a race.

Scenic reservoir views and rolling wooded trails await at Bewl Water Autumn near Lamberhurst, Kent. Choose 10 km, half marathon, marathon or 50 km ultra on well marked routes loved by runners and rated among the UK's top courses.

Run 10k, 21k or 42k through the Surrey Hills on 12 September 2026, starting at Shere Recreation Ground. Scenic, multi terrain routes with big views, chip timed results, on course support and a lively event village for finishers and fans.

Join the Farnham Pilgrim Half or Marathon on 13 September 2026 for scenic runs through the Surrey Hills on mainly off road trails. With frequent aid stations, free parking and strong marshal support, entries are limited so book early.

Choose 30k or 15k at Rye Ancient Trails and run through the High Weald AONB with woodland, orchards, lanes and coastal views. This hilly scenic challenge supports The Oliver Curd Trust and finishes with local hospitality.

Join the Alf Shrubb Memorial in Slinfold on 13 September 2026 for scenic trail 10k and 5k races plus kids events. Adult races are chip timed, finishers get a replica world record medal and proceeds support local village causes.

Take on a 50 mile single loop through the Chiltern Hills with about 5600 ft of climbing across mostly trail. Starts and finishes in Goring on Thames on 19 September 2026 with aid stations, marked course and a finisher medal.

Run the Triple Trail linking three scenic Kent routes with 25 km, 50 km or 100 km options, finishing at Loddington Farm. Enjoy a lively race village with food, camping, recovery services and evening entertainment.

Run the Bradenham Blast on 20 September 2026 at Manor Farm, High Wycombe, with 5 km, 10 km and half marathon routes through beech woodland and rolling trails. Enjoy a hilly, scenic challenge with an eco finisher medal and a tree planted for..

BigSky Trails on 20 Sept 2026 invites runners to airy high New Forest routes as the finale of the Classic Element series. Pick 18 miles, marathon or 50k ultramarathon across open plains and winding woods on fully marked, marshalled routes.

Looped trail running at Avon Tyrrell in the New Forest, circling a Grade I listed manor on technical forest trails that blend scenery and challenge. Pick your distance on the day from 5K to ultramarathon and earn a finisher medal.

Take on scenic looped trails from Henley with supported 10 km, 25 km and 50 km options, full aid, medical cover and finish line hospitality on Saturday 26 September 2026. Walkers and runners of all paces welcome.

Tackle a scenic 10 mile trail across gravel tracks, woodland and open views, finishing along an 800 year old Yew tree lined avenue. A new 1 km kids run makes this a perfect family day at Chilton Manor Farm.

Tackle the South Downs 100 mile, a single loop through the National Park with rolling hills, stunning viewpoints and roughly 12k ft of ascent. Aid stations and a 34 hour cutoff make this a classic ultra challenge.

Run to the Sea Bournemouth is a 50 km ultra on 3 October from Moors Valley to Hengistbury Head via flat forest trails and seafront paths. Fully supported with feed stations, medical cover and a bespoke medal.

Run under the stars on the South Downs at The Dark Downs, a dusk to dark looped event at Plumpton Racecourse offering 50k and Half Marathon distances. Enjoy rolling trails, reflective course markings and volunteer aid stations.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Discover Wild Run Oxford on scenic trails just minutes from the city centre, with 10K and half marathon routes across smooth and rugged terrain. Licensed by the Trail Running Association and UK Athletics, it offers a genuine trail challenge..

Join the Marlow Donkey on 4 October 2026 from Liston Hall, choosing 25 km, 40 km or a special 50 km route through Hambleden and Bix. Limited to 150 places, the LDWA event offers friendly checkpoints and a simple finish meal.

Guided 30 mile trail run through the Surrey Hills from St Martha's Hill, taking in Denbies Wine Estate and the top of Box Hill. Led by an experienced ultra coach, this friendly group run promises an epic day on the North Downs Way for seaso..