Trail Running Calendar South East (England) 2025-2026

The Hankley Common 10km is a guided trail run set in the scenic Hankley Common, known for its rich wildlife and historical significance. This event is designed for both novice and experienced runners, offering a unique opportunity to explore the trails during sunset or at night with head torches. Pa..

The Hankley Common 10km is a guided trail running event held at Hankley Common, renowned for its wildlife and historical features. Participants will explore scenic trails, including the site of a replica Atlantic Wall built by Canadian troops in 1943, used for military training and featured in movie..

The Dinton 5km & 10km Summer Series, hosted by Barnes Fitness, is a popular running event held at Dinton Pastures Country Park in Hurst, Wokingham. Celebrating its 13th year, the series takes place over four months from May to August on select Thursdays. It features friendly races for all abilities,..

The Centurion North Downs Way 50 is a 50-mile ultramarathon along the North Downs Way National Trail, from Farnham in Surrey to Knockholt Pound near Greater London. The race features a challenging course with 5,600 feet of elevation gain, predominantly on trail (80%) with some road sections. It is p..

The Compton Marathon & 16 Mile Challenge, organized by the Compton Harriers Running Club, is a popular running event held in Compton, Berkshire. Participants can choose between a full marathon and a 16-mile challenge, both set against scenic backdrops. The event promotes community engagement and enc..

The Goring Gap Trail Weekender, held near Mapledurham outside Reading, offers a variety of running and walking events over a scenic weekend in May. The event features a 50-mile ultra-marathon, a 52K ultra designed for beginners with minimal climbing and full route support, and a relaxed half maratho..

The Maverick X Series North Downs 2025 is a trail running event held at Cranleigh Showground in Surrey. Participants can choose from four routes: Ultra (52 km, +1387m elevation), Long (43 km, +1104m), Middle (22 km, +590m), and Short (11 km, +317m). The course features undulating single-track trails..

The Greensand Way Ultra Run is a 30-mile trail running event starting and finishing at West Hanger near Guildford, Surrey. It showcases some of the best sections of the North Downs Way and the Greensand Way, including scenic landmarks like Box Hill, Leith Hill—the highest point in Southeast England—..

The WOW! Farley Frolic is a family-friendly orienteering event held at Farley Heath, near Guildford, to celebrate World Orienteering Week. The event features a variety of courses ranging from 1.4km for beginners and children to 5.9km for experienced orienteers, with technical and easy options availa..

The Ridge Off Roader is a challenging mixed terrain race held in the picturesque Chiltern Hills, now celebrating its 12th year. Participants can choose between a 10k route and a half marathon, both of which are well-marked and marshaled. The event also features a 1k race for local children.As a char..

The Chiltern Valley 10km is a scenic trail run held in the picturesque Hambleden Valley near Henley on Thames, starting and finishing at the Chiltern Valley Winery & Brewery. The multi-terrain course covers 10 kilometers, featuring woodland, trails, single-track footpaths, and country lanes with an..

The 10Bay Challenge is a unique running event set on the picturesque beaches of Thanet in Kent, scheduled for May 18, 2025. Participants can choose between two distances: the full 10Bay Challenge, approximately 15 miles, or the shorter 4Bay 10k. The race takes place at low tide, allowing runners to..

The Guided Spring Marathon - Winchester will take place in Winchester on Sunday 18 May 2025. You can run 26 miles.

The Pulborough Vineyards Run is an exciting running event set in the picturesque West Sussex countryside, featuring stunning views and an undulating course. Participants can choose from various distances, including 5 km, 10 km, and up to a half marathon, with a limit of 95 spaces available. The even..

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greenery. Suitable for runners of all levels, the event fosters a f..

TTTS 1 - Eggringe Wood is the first of five events in The Triangular Trail Series, held near Sole Street, Crundale. This 60-minute evening trail event features a score course suitable for all abilities, combining running and walking on public footpaths and minor country roads. Participants navigate..

The Fox is a quintessentially British trail running event set in the picturesque Surrey countryside. It offers three race distances: 20K, 41K, and 62K, all finishing at Burys Field in Godalming. The courses start from different locations, including Godalming, West Clandon, and Merrist Wood College,..

The UK Ultra South Downs event features five distinct races set in the picturesque South Downs National Park in South East England. Designed for runners and walkers of all abilities, the courses are point-to-point, showcasing stunning views along non-technical trails. Participants will experience a..

The ATW Chiltern Half Marathon & 10K is a scenic running event held in the Chiltern Hills near Bellingdon, Chesham. Participants can choose between a half marathon or a 10K trail run through the Area of Outstanding Natural Beauty, featuring rolling landscapes with challenging climbs and rewarding de..

The Northiam 8.5km Trail Race is a scenic trail running event held around Northiam, starting and finishing at Northiam Village Hall. The course features over 62% trail terrain, offering runners picturesque views and passing local landmarks. The race is fully marked and marshalled, ensuring a safe an..