Trail Running Calendar South East (England) 2025-2026

Freedom Racing presents the Freedom Racing-5 Trails Ultra & 3 Trails, held at Westerlands, Graffham (Petworth, GU28 0QJ) in the South Downs. The event offers two distances: a 50k Ultra that links five long-distance trails (Serpent Trail, New Lipchis Way, West Sussex Literary Trail, Monarchs Way and..

The Remembrance Day Run - South, hosted by Saturn Running, takes place in Surrey at the Wraysbury Skiff and Punting Club along the scenic River Thames in Egham. This 7-hour time challenge allows participants to run multiple laps of a 4.37-mile (7km) course, which features a mix of well-made paths, t..

Southampton MoRunning brings the MoRun experience to the Common in Southampton. Participants can choose from 1.5k Mini MoRun, 5k, 10k and a Half Marathon, all run on a mix of park paths, trails and grass with some undulating sections. The Half Marathon starts with a 1.1k loop before four full laps.T..

The SATURN Remembrance Day Run 2025 - South is a commemorative running event held at Wraysbury Skiff & Punting Club, Egham, along the scenic River Thames. Participants can run a flexible distance within a 6 hour and 32-minute timed challenge, with laps of approximately 7km (4.37 miles) or a shorter..

The One by the Canal is a scenic Half Marathon trail race running from Cowley Rec, Cowley, along the Grand Union Canal to finish at Cassiobury Park, Watford. The course uses country paths and woodland trails, delivering nature-filled canal scenery. Key features include chip timing, a finisher medal,..

Centurion Running's Wendover Woods 50 is a 50-mile ultramarathon held in Wendover Woods, Aston Hill, Halton, Aylesbury. The course comprises five 10-mile forest loops on soft trails and tracks through Wendover Wood, offering runnable descents, steep ascents, and technical sections, with a total elev..

New Forest Central Trail Run is held at Roundhill Campsite in the New Forest National Park, Beaulieu Road, Brockenhurst (SO42 7QL). It offers 10km, 17km, and 22km trail routes on wide, hard-packed gravel tracks that pass through ancient woodland and heathland, with opportunities to spot native ponie..

The 666 Trail Run, organized by Ashford Tri Club, is a unique trail race held in Kings Wood, Challock, Ashford. Established in 2010, the event features a 6.66-mile course through woodland terrain, offering a challenging and scenic run. The race is known for its "devilishly good" distance and slightl..

Roly's Run is an endurance event in the Meon Valley, Hampshire, with 15/20/40 mile options. The race HQ is Swanmore Village Hall. The clockwise course runs via Beacon Hill, Exton and Meonstoke, with the 20 and 40 mile routes continuing onto the South Downs Way to Winchester Hill before looping back...

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

Devil's Punchbowl 10km is a guided trail run around the Punchbowl in Hindhead, Surrey. The 10km route follows scenic trails with several hills, run at a group pace rather than a race. It suits those new to trail running or who prefer running with others, especially at dusk or night.Top views are pau..

The STAR Backyard Peaslake is a trail running event held in the picturesque village of Peaslake, Surrey. Participants aim to complete as many 5km laps as possible within a 3-hour window, starting and finishing at Peaslake Community Hall. The course features a clockwise route that includes a gentle 2..

Dark Valley, Night Trails is an exhilarating night-time running event hosted by BigFeat Events at Moors Valley Country Park. Participants can choose from 10km, 20km, or 30km looped trails, all set amidst the enchanting woods of Dorset. Runners will navigate the course using headtorches, guided by fl..

Winchelsea 10km Trail Race is a 10km trail run around Rye Harbour Nature Reserve, near Winchelsea Beach. The predominantly trail route (about 95% off-road) weaves through one of England's most important wildlife sites and features a marked and marshalled course. The event, run by 1066 Trail Races, o..

Serpent Trail Ultra Run is a 30-mile trail event starting and finishing in Haslemere, Surrey. It showcases the best parts of the Serpent Trail and the Sussex Border Path, with a hilly profile that includes climbs toward Blackdown and a stop at the Temple of the Winds lookout for views over the South..

The New Forest Stinger is a 10-mile trail race at Ocknell Campsite in the New Forest, organized by Totton Running Club. Held in autumn, the route is limited to 10 miles this year to stay on Forestry-approved trails, and is one of the few events using this part of the forest. The course offers trail..

The ATW Wendover Woods Trail Run & Canicross takes place in the scenic Wendover Woods, located at the highest point in the Chilterns near Aylesbury. Participants can choose from a 5K, 10K, or Half Marathon trail run, all set on well-prepared, traffic-free woodland trails offering stunning countrysid..

The Wallop is a scenic 21k trail run held within the Farleigh Wallop Estate in Hampshire. The course features a diverse mix of narrow woodland paths and wide gravel tracks that wind through forests and open land, offering runners an immersive natural experience. This half-marathon event is fully mar..

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses with no elevation gain, ideal for runners seeking personal best..

The The Maverick Exposure Lights Dark Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 17 kilometers.