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 363 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!
February 2027
Running event in Guildford on 27 Feb 2027 with 15 km and 10 km options at Newlands Corner, organised by G3 Series.
A 30 mile non-competitive group trail run from Harting Down along parts of the South Downs Way, passing Beacon Hill, Cocking Down and Kingley Vale. Led by an experienced guide and recommended for those who have run at least 22 miles in training.
Coastal trail running around Chichester Harbour with 21.3k and 16.1k routes, a low-tide foreshore crossing, chip timing, finisher medal and on-course support.
A fundraising 5 km and 10 km on gravel tracks through Pondhead Inclosure, with chip timing and post-race facilities at the Crown Stirrup Pub.
March 2027
Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.
A 7 hour Time Challenge along the River Thames where participants choose distances from 3 km up to ultra with medals, distance pins, goody bags and aid stations.
A Friday timed run at Xcel SPORTS HUB Stadium with flexible rock up and run starts, lap distances along the Thames and a charity medal for the Run for a Tenner entry.
Trail routes from Eastbourne along the Seven Sisters cliffs offering 10K, half, marathon and ultra distances with chalk downland and coastal views.
Winter Nuts Challenge on 6 March 2027 at Henfold Lakes near Dorking is an obstacle mud run on a 5 km loop with options for one, two, four or unlimited laps.
Coastal mixed terrain running at Milford on Sea with distances from 5 km to ultra marathon, lap course, aid station, medal and local facilities.
Join a themed trail run on the Meon Valley Trail with distances from 5km to Ultra Marathon and a flexible six hour time limit for all participants.
Multi terrain 10 km by the River Thames near Windsor & Eton Brewery with a finisher medal, a drink option and a commemorative pint cup.
A 24-hour endurance event at Alice Holt Forest where runners repeat a 6.7 km loop each hour, aiming to complete as many laps as possible.
Women only trail runs at Culden Faw Estate, Henley on Thames, on 14 March 2027 with 3 km, 6.5 km and 13 km options, chip timing and finisher medals.
A quirky running event in Dorking where pairs carry an adult over a 380 m out and back course with obstacles, a weigh in, helmet requirement and novelty prizes.
A hilly 13.1 miles out-and-back trail from Dorking to Leith Hill Tower with about 1,800 feet of ascent, water stations and marshals. Race HQ is The Priory School and entry includes a postrace cooked breakfast and a reusable medal.
A 50th edition circular challenge near Sevenoaks with three new routes of 14, 20 and 30 miles, indoor checkpoints and a 225 entrant limit.
Multi day running series in Walton on Thames offering Ten in Ten and Twelve in Twelve formats with distances from 5 km to ultra, certified flat riverside laps and finishers medals and shirts.
Experience a 50km trail ultra through the Chiltern Hills with two scenic loops starting and finishing at the historic Stonor Park.