Trail Running calendar near Hertfordshire 2025-2026

The Centurion Chiltern Wonderland 50 is a challenging 50-mile ultramarathon set in the scenic Chiltern Hills, featuring a single-loop course that includes 5,600 feet of elevation gain. Runners will traverse picturesque villages and historic sites, with the event fully supported by five aid stations..

The Cotswold Half Way is a challenging trail running event covering approximately 47 miles along the scenic Cotswold Way National Trail, starting from Chipping Campden and ending in Painswick. Scheduled for September 20-21, 2025, this race is designed for participants aged 21 and older, offering a u..

The Ouse Valley Way Half & Marathon is an annual running event taking place in Huntingdonshire, featuring a scenic 26.2-mile marathon and a half marathon. The course runs along the picturesque Ouse Valley, offering a mix of grass, gravel, and tarmac paths. For the 2025 edition, the route will start..

The Clipston Trail Half and Country 5 Miler is a scenic running event set in the picturesque countryside surrounding Clipston. Participants can choose between a challenging half marathon and a shorter 5-mile race, making it suitable for both seasoned runners and those new to trail running. The event..

The Chedworth Roman Trail is a scenic running event taking place in the picturesque Cotswold countryside, featuring both a 10-mile and a new 5-mile course. Participants will navigate through Stowell Park and the Coln Valley, with the route including various terrains and a river crossing. Recognized..

The Trifarm 10K Autumn Trail Run is part of the Trifarm seasonal trail series, taking place at Trifarm in Boreham. This event features a predominantly off-road course, utilizing public footpaths and bridleways. Participants can expect a unique experience as the run starts at dusk and concludes in th..

The Silent Pool 10km is a guided trail running event set in the picturesque surroundings of Silent Pool, near Guildford, UK. Participants can enjoy a scenic route that includes sections of the North Downs Way and the enchanting forest of Netley Heath, culminating in the charming village of Shere. Th..

The Dark Downs 50k and Half Marathon is an exciting running event set in the picturesque South Downs, taking place at dusk and continuing into the night. This unique experience offers participants the chance to enjoy the camaraderie and challenge of night running on rolling hills and runnable trails..

The Chiltern 50 Ultra Challenge is an exciting endurance event set in the picturesque Chiltern Hills, offering participants the choice to walk, jog, or run. Scheduled for September 27, 2025, the challenge features various distance options, including 50 km, 25 km, and a 10 km loop, all starting and f..

The North Downs Way Ultra Run is a 30-mile trail event that showcases the stunning landscapes of the North Downs Way, starting and finishing at St Martha's Hill in Guildford, Surrey. This run is designed for both seasoned and first-time ultra runners, offering a guided experience through picturesque..

The Eridge Park 10 Trail Challenge is a celebrated running event returning in 2025 for its 25th anniversary. Set in the picturesque Eridge Green, Kent, this challenging 10-mile trail race is known for its stunning scenery, steep climbs, and muddy paths, making it a favorite among off-road runners. P..

Steeple Barton Chase is an annual fun run held at Barton Abbey in Oxfordshire, designed to raise funds for the Steeple Barton church. The event features a variety of running options, including a main 10K run, a 5K run for those seeking a less intense challenge, and a Family Fun Run that encourages p..

The 2025 Grantchester Charity Runs will feature a 10k and a 3k race, taking place on September 28, 2025. This volunteer-run event supports Maggie’s Centre Cambridge and the Addenbrooke’s Charitable Trust (ACT). Both courses traverse scenic farmland near Grantchester, with no road crossings, ensuring..

Run Sandringham is an exciting running event series held at the picturesque Royal Estate in West Norfolk. Participants can choose from various distances, including a Half Marathon, 10K, 5K, and a Community Mile, as well as a unique 24-hour solo or team run. The event aims to welcome runners of all a..

The Pumpkin Run in Colchester invites runners of all ages and abilities to participate in a festive running event at Foxes Farm. Participants can choose from a 10k, 5k, or a family-friendly 1k race, all set in a scenic environment featuring fields, a pumpkin patch, and a corn maze. The event emphasi..

The Petzl Night Trails 10K at Coombe Abbey is an exciting running event set in the scenic Coombe Abbey Park in Coventry. Participants will experience a unique nighttime trail run, offering a blend of challenge and adventure in a beautiful natural setting. This event is designed for runners of all le..

The London Epping Forest 50 Km will take place in London on Saturday 4 October 2025. You can run 50 kilometers.

The London Ecotrail 25 Km is an exciting running event that takes participants through the scenic landscapes of Epping Forest. This eco-friendly trail run emphasizes sustainability and encourages runners to enjoy the natural beauty of the area while promoting environmental awareness. The event is de..

The Guided 50k Ultramarathon in New Alresford, Hampshire, offers participants a scenic running experience through beautiful trails, including sections of the Watercress Way and Oxdrove Way. This event is designed for those who have completed at least a 20-mile run in the past year and will be conduc..

The Guided 15 Mile Run in New Alresford, Hampshire, offers a scenic experience for runners looking to tackle the first loop of a 50k event. Participants can enjoy the beautiful trails of the Watercress Way and Oxdrove Way, starting and finishing in the charming market town of Alresford. This relaxed..