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 418 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!
April 2027
A 7 hour fundraising Time Challenge along the River Thames offering distances from 3 km up to 50 km with themed medals and charity pins for Save The Rhino.
A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.
A fully marked 50K Ridgeway ultra in the Chiltern Hills from Berkhamsted Castle to Wendover, with three checkpoints, 996m+ ascent and UTMB 50K index.
Looped 50 km, 25 km or 10 km trail routes from Windsor Racecourse via the Great Park, Runnymede and the Thames Path, with rest stops, medical support and GPS tracking.
A 7 hour Time Challenge along the River Thames in Staines with distances from 3 km to ultra, themed medals, goody bags and aid stations.
Night time trail event at Queen Elizabeth Country Park on 17 April 2027 offering distances from 12 km to 50K with marked courses and staffed aid stations.
Multi-terrain 5 km and 10 km races at Ibstone with routes through Wormsley Estate plus a 1 km or 2 km Run in Colour for ages 4 to 11.
Trail 10 km and Half Marathon at Dummer Down Farm with mostly off road terrain, a pint cup and drink at the finish, plus camping and a Canicross option.
A scenic, undulating trail half marathon around Seaford that mixes seafront and South Downs, with water stations, finish snacks and proceeds shared with local charities.
A multi day trail series around the Thames offering 250, 150 and 100 mile options with GPX maps, checkpoint support and GPS tracking on mainly canal and riverside paths.
Timed laps at Tilgate Park on 24 April 2027 offering distances from 5 km to ultra with medal and no medal entry options.
A seven hour time challenge along the River Thames in Staines offering distances from 3 km to 50 km, themed medals, goody bags and on-course aid with vegan options.
Participants are blindfolded, dropped at an unknown location and must navigate back to the event centre over 6, 10 or 15 miles without maps or GPS.
An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.
Trail runs of 10 km and 10 miles through Angmering Park Estate bluebell woods and South Downs, with a new finish at The Worlds End and on-course support.
May 2027
A five mile off road race through woods and farmland around Hurstbourne Tarrant in the North Wessex Downs. Organised entirely by volunteers since 2009, the annual event donates all proceeds to local charities.
A combined Centurion entry covering four 100 mile events on the Thames Path, South Downs Way, North Downs Way and Autumn 100 between May and October 2027.
Three towns host races across a Bank Holiday weekend in 2027, with combined results forming the Mid Sussex Marathon. Distances include 10 mile, 10k, a chip timed mile and a family fun run, plus virtual and combo marathon options.
Guided 30 miles trail run from Newlands Corner, Guildford, linking the North Downs Way, Greensand Way and Downs Link with group pacing and coach support.