Trail Running calendar near Welwyn 2025-2026

The Fortitude Ultra - Denbies is an endurance running event held at the picturesque Denbies Wine Estate in Dorking, Surrey. Participants face the challenge of completing 10 laps of varying distances (approximately 3, 4, or 5 miles) within a 10-hour timeframe. Runners can adjust their chosen distance..

The Epic Epping Forest Ultra, organized by Orion Harriers, is a challenging trail running event held in Epping Forest, London. The 2025 edition features a 50-mile ultra race consisting of 10 laps of a 5-mile forest trail loop with 3,680 feet of elevation gain. The course is marked with sawdust and f..

The 10k Rauceby Estate Run Summer is a scenic all-terrain race held on the historic Rauceby Estate, a 2000-acre property featuring Rauceby Hall and 71 acres of parkland. The approximately 10-kilometer course includes at least 25% private land never before used for racing, combined with rural footpat..

The Chiltern 50 Ultra Challenge is a 50 km looped endurance event held in the scenic Chilterns countryside, starting and finishing at Henley Showground. Participants can walk, jog, or run the course featuring historic trails, rolling hills, nature reserves, and stunning views. The event offers 50 km..

Thunder Races offers trail running events in Bedfordshire, featuring distances of 10km, 25km, and 50km to suit all skill levels. The races take place in scenic locations such as Harrold-Odell Country Park, showcasing a mix of runnable terrain including trails, forests, fields, riversides, towns, and..

The North Downs Way Ultra Run is a 30-mile trail running event starting and finishing at St Martha's Hill in Guildford, Surrey. It showcases some of the best sections of the North Downs Way and surrounding Surrey Hills, including the famous Box Hill and Denbies Wine Estate. Designed as an ideal intr..

The Eridge Park 10 Trail Challenge is a celebrated 10-mile trail running event held at Eridge Green, Tunbridge Wells, Kent. Known for its challenging course, the race features steep, narrow climbs, plenty of mud, and stunning scenic views, making it a favorite among off-road runners. The traffic-fre..

The 2025 Grantchester Charity Runs, sponsored by Dartington Wealth Management, take place near Grantchester, Cambridge, featuring 10k and 3k races through scenic, predominantly flat farmland with no road crossings. This volunteer-run event supports Maggie’s Centre Cambridge and Addenbrooke’s Charita..

The Richmond Park Half Marathon is a scenic trail run covering a half marathon distance entirely within Richmond Park. The event begins at Sheen Gate, where participants will navigate through picturesque routes, including views of lakes and wildlife. Runners will traverse various park gates, includi..

The Pumpkin Run Colchester is an autumn-themed running event held at Foxes Farm in Colchester. It offers multiple race distances including a 10K, 5K, family-friendly 1K, and a doggy run, catering to runners of all ages and abilities. The course loops around scenic fields, a pumpkin patch, and a corn..

The Harbour Wallbanger is an exciting running event scheduled for 2025, starting on the beach at Broadstairs during low tide and extending to Ramsgate, where participants will "bang the Harbour Wall" before returning. This unique coastal route is designed for both beginners and experienced runners,..

Wild Run Cotswolds is a trail running event held at the picturesque Cornbury Park in Oxfordshire, within the wild, secluded forests of Wychwood. The race features a scenic 10K loop on private, well-maintained trails with undulating terrain, offering a mix of smooth and rugged paths surrounded by abu..

Run Sandringham is a popular running event held at the Royal Estate in Sandringham, West Norfolk, known as the Royal Family’s winter retreat. The event features a Half Marathon and a Community Mile, taking place on September 28, 2025. The Half Marathon covers 13.1 miles on a scenic course that combi..

The ZigZag Wensum Way Trail is a scenic trail running event held near Billingford Lakes, Norfolk (postcode NR20 4RG). Offering multiple distances including 10k, half marathon, marathon, and ultra, the course features a varied terrain of tarmac paths, grasslands, and rugged trails, ideal for runners..

The Kingfisher Challenge is a 6-hour trail running event held at Coombe Abbey Park, Coventry. Participants run multiple laps of a 3.3-mile course through mature woodland, waterways, and open grassland, offering a scenic and relatively flat route mostly on stone pathways. Runners can choose their dis..

The Petzl Night Trails 10K at Coombe Abbey Park in Coventry is a unique evening trail running event set in a scenic park featuring woodland, meadows, and grass fields. Participants run a 10-kilometer undulating course with natural obstacles like tree roots and gates, requiring a head or chest torch..

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..

The Run to the Sea Bournemouth Ultramarathon is a scenic 50km point-to-point race held from Moors Valley Country Park to Hengistbury Head, Bournemouth. The course features a mix of flat, multi-terrain trails including forest paths and coastal seafront routes, making it ideal for both beginners and e..