South East (England)
Trail Running Calendar South East (England) 2026-2027
Explore the best trail runs in South East (England) for 2026-2027! Our updated list features 400 exciting trail runs across the region. Find your next trail run in South East (England) below and join the trail community at these great events!
September 2027
Trail races of 18 miles, marathon and 50k around Hyde Common with marked courses, multiple aid stations and wide New Forest views.
Looped trail event from Henley with supported 50 km, 25 km and 10 km options, camping, staffed rest stops, medical cover and GPS tracking.
A multi-distance Spartan obstacle weekend at Pippingford Park on September 25 to 26 2027, featuring Sprint to Ultra races, Trifecta racing, a kids course and the British OCR Ultra Championship.
Looped technical trail in the New Forest with a 5K loop to repeat up to ultramarathon distance, on-course aid station and onsite facilities.
October 2027
A fully marked 100 km trail ultramarathon around the Chiltern Hills from Chesham with GPS tracking, six checkpoints, a 19 hour limit and a 250 runner field.
A guided 30 mile trail run from St Martha's Hill exploring the Surrey Hills and Box Hill with an experienced ultra runner and coach. Group pace, recommended 22 miles training, cost £55 and an alcohol free beer may be available.
Inflatable obstacle course in Newbury on 16 October 2027 offering 2.5k 5k 10k and 15k laps with music zones, medals and family friendly rules.
Multi-terrain running at Dummer Down Farm on 17 October 2027 offering 10 km, canicross 10 km and a new half marathon.
A 5 mile night trail in Litlington with Halloween fancy dress, GPX navigation and a tail runner, featuring a themed finisher medal and a post run dessert prize.
November 2027
Trail races from Goodwood through the South Downs National Park offering three distances, varied trails, canicross options, chip timing and finisher goodies.
Trail runs of 21.6 km, 16.7 km and 10 km through the New Forest from Roundhill Campsite on wide, firm gravel tracks with wildlife and finisher medals.
A commemorative 7 hour Time Challenge in Staines along the Thames with options from 3 km to ultramarathon distances and medals for finishers.
Trail run from Plumpton Racecourse across the South Downs with three route distances, hill climbs, coastal views, chip timing and finisher medal.
December 2027
A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.
A guided 30 mile trail run from Haslemere that follows sections of the Serpent Trail and Sussex Border Path, aimed at runners attempting an ultra for the first time. Group pace, varied terrain, cost £55.
A fully signed 50 km trail ultra in the Surrey Hills on 5 December 2027, with checkpoints, SportIdent timing and a 10 hour cutoff.
A chip timed trail run from Alexandra Gardens Windsor along the Thames Path, offering 21.8 km and 16.1 km routes with medals, refreshments and on-course support.
July 2028
A 200 mile continuous trail across the South Downs National Park with a 100 hour cutoff, marked route, 16 aid stations, sleep stations and UTMB Index status.