Trail Running calendar near Letchworth Garden City 2025-2026

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 Maverick X Series North Downs 2025 is a thrilling trail running event set in the picturesque Surrey countryside, taking place at Cranleigh Showground. Participants can choose from four routes: Ultra (52 km), Long (43 km), Middle (22 km), and Short (11 km), each offering a unique blend of scenic..

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 Run Rabbit Trail Festival is a multi-distance trail running event held at the scenic Deene Park Estate near Corby. Scheduled for May 2025, the festival offers three main challenges: the Trail Mix Challenge (25k), featuring five different 5k loops run hourly over five hours; the Headlight Hop (10..

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..

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

The Richmond Park Marathon is a scenic 26.2-mile running event held in Richmond Park, featuring a challenging course that consists of three laps. The first lap is 12 miles, encompassing a route around the park's perimeter and through its center, while the subsequent two laps follow the Tamsin trail,..

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 Bluebell 5 is an annual running event organized by Pitsea Running Club in collaboration with the Essex Wildlife Trust, taking place on May 18, 2025. This five-mile off-road race offers participants a scenic journey through the picturesque Little Haven Nature Reserve, featuring vibrant bluebells,..

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 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 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 Castle Trail, organized by Essex Trail Events, is a self-navigation trail race held at Stansted Mountfitchet Castle in Essex on May 18, 2025. Participants can choose between two distances: approximately 13.1 miles or 6.2 miles. The race uses a written route description provided on the day, with..

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 Galloping Grind 10k Trail Run is a small, exclusive event held in Boreham, featuring a 10-kilometer loop through the countryside. Limited to just 20 participants, the race offers a unique dusk running experience with a predominantly anti-clockwise course. Runners are encouraged to wear high-visi..

The Phoenix Striders Summer Series is a trail running event held at the Essex Wildlife Trust's Langdon Discovery Nature Park, part of Langdon Hills. The series consists of five rounds, with the second round taking place on May 20, 2025. The event features a 5k trail run for participants aged 12 and..

The Dagenham 88 Runners 5 is a trail running event held at Eastbrookend Country Park, Dagenham. Scheduled for May 21, 2025, this race is the first in the ELVIS 2025 series and features a new 5-mile multi-terrain course consisting of three laps around the park. The race is open to runners aged 16 and..

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..

Farmmageddon is an exciting 100-mile running event organized by Zig Zag Running, taking place over two days at Hyde Hall Farm. Participants will tackle a 5.3k loop course, with a total time limit of 32 hours to complete their chosen distance. The event caters to all abilities, offering various dista..