Trail Running Calendar South East (England) 2026-2027

We have found 295 Trailruns in South East (England). Check below where and when you can find the races.

Run Silchester offers three scenic trail distances starting from the village playing field. The route takes runners past ancient Roman walls, a historic church, and through woodland. The day includes a village market, food stalls, and music..

Experience an off road five mile race through the picturesque North Wessex Downs. Follow woodland tracks and rural footpaths on a course starting in Hurstbourne Tarrant with all proceeds supporting local charities.

Test your endurance on the beautiful South Downs with a choice of marathon, half marathon, or five mile trail distances. Enjoy a well supported community event featuring stunning Sussex scenery and challenging hill climbs.

Experience a guided group trail run through the Surrey Hills designed to reach 1000m of elevation. This non competitive 12.5 mile journey features technical climbs and woodland trails led by an experienced mountain leader.

Experience the historic trails of Winchester across four distances ranging from 14 miles to a 50K ultramarathon. Run through the scenic South Downs Way and past the River Itchen on this fully marked trail course.

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..

A spring trail event in Harewood Forest offering 5 km, 10 km and canicross races plus a children's fun run. Undulating mixed terrain routes are marked and marshalled, with cupless water stations, first aid, parking and post race refreshment..

A 100 kilometre trail ultramarathon in the Chiltern Hills on 9 May 2026, following an anticlockwise loop past Ashridge, Coombe Hill and Whiteleaf. The fully marked route has open GPS tracking, six checkpoints and a 250 runner limit.

UTMB Index

Experience a 50 km multi terrain journey from Horsham to the Brighton seafront featuring scenic trails and the South Downs. Choose between the full solo distance or a two person relay finishing at the iconic Hove Lawns.

UTMB Index

Experience a variety of trail running and walking events at Mapledurham near Reading. Choose between ultra distances, half marathons, or a six mile walk featuring a river boat crossing with on site camping available.

UTMB Index

Experience a unique 5 km obstacle run in Guildford featuring a wide variety of large inflatable structures. This event provides a fun and bouncy course for individuals and teams looking for an active day in Surrey.

Test your endurance at Stanmer Park by completing 4.167 miles every hour until only one runner remains. This out and back course offers a personal challenge with support facilities and refreshments for all participants.

This event on the Thames features 10K, half, and marathon distances on scenic riverside paths. Starting from the Wraysbury Skiff Club, the courses use fully marked out-and-back loops. The area near Runnymede offers beautiful countryside and..

Experience the twilight beauty of Ardingly Reservoir during this evening run in West Sussex. Choose between a 5K or 10K distance on an undulating trail course featuring scenic water views and a finisher medal.

Experience a scenic off-road trail run at Milton Creek Country Park while supporting neonatal care. This event features 10K and 5K distances plus a Junior Run, complete with bespoke medals and a friendly atmosphere.

Experience a carbon neutral trail run through the beautiful vines of the Rathfinny Wine Estate. Choose between a 10.7 km or 21.4 km hilly loop with views of the South Downs National Park.

Experience a scenic trail run through the South Downs featuring 20k, 10k, and junior distances. This well organized event includes chip timing, finisher medals, and hilly routes with views over the Cowdray and West Dean Estates.

Hairy Legs is a cross-country charity event for all ages, held on a scenic, hilly woodland course. Distances are based on unmeasured loops, and there are solo, relay, and shorter youth options. Fancy dress is encouraged, with prizes and a f..

Experience a scenic single lap trail race through the bluebell woods of Hampton Estate and Puttenham Common. Enjoy chip timed racing with bespoke medals and onsite refreshments in a beautiful Surrey setting.

Enjoy a scenic trail run or walk through the village of East Hendred on an undulating 5k course. Kids can also join the fun with a 1k obstacle run around the sportsground.