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!
August 2027
The River Run at Lancing College offers a Half Marathon and a new 8 Mile on mixed riverside trails and countryside, and closes the 2027 South Coast Series.
Point to point mixed terrain run from Mayflower Park with 15 mile and marathon options, a short river ferry crossing, and collectible landmark stickers.
A scenic off road half marathon on 22 August 2027 at Henfield Leisure Centre, featuring riverbank and disused railway sections, on-site facilities, and medals for all finishers.
London Backyard Ultra at Frylands Wood Scout Outdoor Centre uses the Backyard Ultra format: run a four mile loop each hour until only one runner remains.
Scenic 10K and Half Marathon in Alexandra Gardens, Windsor with chip timing, free photos, a themed medal and on course water.
Experience a scenic 10k trail run through Shoreham Woods in Kent featuring chip timing and a dedicated Canicross category for runners with dogs.
September 2027
Trail half marathon, 10K and junior races at Remenham Farm beside the Thames, with mixed tarmac and trail loops and an event village.
Event with multiple distances along the South Downs Way from Eastbourne to Arundel, offering full support, rest stops, GPS tracking and camping on 4 to 5 Sept 2027.
Trail running in North Hampshire with 10 km, half, marathon and 50 km options, marked routes, aid stations and a team Military Cup for serving personnel.
A bi-annual trail and country-lane race around Bewl Water in Kent offering 10 km, half, marathon and 50 km ultra courses with lake views.
Flat riverside loops along the Thames in Walton on Thames on 4 September 2027 offering marathon and half marathon distances with medals for all finishers.
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath as sunset or night group runs.
Trail half, 10K and a free 2 km kids run at Denbies Vineyard with wine stations, live music and a post-race party.
Trail 10k and 5k in Slinfold on 12 September 2027 with children's races, chip timing and fundraising for local community causes.
Trail event on rough, undulating tracks across Ashtead Common with 10 km and 2 km options, raising funds for local charities.
Guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey with hills, group navigation, kit support, parking and scheduled sunset and night dates.
A single 50 mile loop through the Chiltern Hills with 5600 ft of climb, five aid stations, a fully marked route and race medical support within a 13 hour cut off.
Three trail distances across Kent's North Downs, Greensand and Weald Way, finishing at Loddington Farm with a race village and on-site camping.
Looped trail options from 10K to approx 100 km around the Chilterns with covered rest stops, GPS tracking and on-site camping at Henley Basecamp.
A weekend of obstacle races at Pippingford Park on 25 and 26 September 2027 featuring Sprint, Super, Beast, Ultra, Trifecta racing and kids races.