Trail Running calendar near Harwell 2024-2025

The Centurion North Downs Way 50 is a challenging 50-mile point-to-point ultramarathon that takes place along the scenic North Downs Way National Trail, stretching from Farnham in Surrey to Knockholt Pound, near Greater London. With a total elevation gain of 5,600 feet, the course features notable c..

The Jurassic Coast Challenge, part of the Ultra Challenge series, takes place on May 17-18, 2025, along the stunning Jurassic Coast in Dorset. Participants can choose from various distances: 100 km, 75 km, 50 km, and 25 km, as well as a new Weymouth Marathon and a 10K option in Bridport. The event s..

The Run Rabbit Trail Festival is a multi-distance trail running event organized by Race Harborough, set in the scenic grounds of Marston Lodge near Market Harborough. Scheduled for May 2025, the festival features three distinct challenges: the Trail Mix Challenge (25k), Headlight Hop (10k), and Thum..

The Greensand Way Ultra Run will take place in Guildford on Sunday 18 May 2025.

The Reigate Priory Park 10K Charity Fun Run offers an exhilarating experience set in the beautiful surroundings of Reigate Park. This event is designed for runners of all levels, providing a gently undulating course that allows participants to challenge themselves while enjoying nature. After comple..

The MTC Severn Way Ultra is a challenging 57-mile ultra marathon that takes participants on a scenic point-to-point route starting from Travelodge Worcester and finishing at Travelodge Stonehouse. Runners will traverse through picturesque locations including Upton-on-Severn and Tewkesbury, with four..

The Guided Spring Marathon - Winchester will take place in Winchester on Sunday 18 May 2025. You can run 42 kilometers.

The Wild Horse 200 is an exhilarating 200-mile ultra marathon set in the stunning landscapes of South Wales, scheduled for May 21st to 26th, 2025. This challenging event takes participants along iconic trails, including Offa’s Dyke and the Beacons Way, culminating at Worm’s Head on the Wales Coast P..

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, non-technical trails with breathtaking views. Participants will ..

The London 2 Brighton Challenge is a premier endurance event taking place on May 24-25, 2025, where participants can choose to walk, jog, or run various distances including 100km, 75km, half marathon, and 25km. Starting in Richmond, the route traverses the scenic North Downs and South Downs, culmina..

The Fox Trail is a premier trail running event set in the stunning Surrey countryside, offering participants a quintessentially British experience. Scheduled for May 24, 2025, the event features three race distances: 20K, 41K, and 62K, all culminating at Burys Field in Godalming. Runners can expect ..

The Grand Union Canal 145 Mile Race (GUCR) is a prestigious ultra-running event taking place on May 24, 2025, from Gas Street Basin in Birmingham to Little Venice in London. This non-stop race, recognized as one of Britain's premier ultras, follows the scenic Grand Union Canal Towpath, offering a re..

Zig Zag Farmmageddon is an exciting 100-mile running event taking place over two days at Hyde Hall Farm, Buntingford. Participants will tackle a 5.3k loop course within a 32-hour time frame, making it accessible for runners of all abilities. Each participant completing the 100-mile distance will rec..

The Three Castles 50km Ultra Marathon invites participants to run along the scenic River Medway, passing three historic castles and charming villages. This event is designed for both seasoned ultra runners and newcomers, featuring a flat course with well-stocked aid stations. The route begins in Roc..

The Beat the Sunset 50km is a multi-terrain ultra marathon held in the Thames Valley, starting from Maidenhead. Participants are challenged to complete the 50km course before sunset, with a generous cut-off time of 9 hours and 12 minutes, making it suitable for both newcomers and experienced runners..

The John Clarke Memorial Race will take place in London on Saturday 31 May 2025.

The Ridgeway Challenge is an 86-mile (139 km) point-to-point trail running race that traverses the entire length of The Ridgeway National Trail, from Ivinghoe Beacon in Hertfordshire to the Avebury Stones in Wiltshire. This historic route has been in use for over 5,000 years. Participants have a tim..

The Circuit du Sore Legs is an annual running event held at Wodson Park Sports and Leisure Centre in Ware, Hertfordshire. This year marks its fifth edition, featuring various distances including 5k, 10k, half marathon, full marathon, and a 50k ultra, all run on a 400-meter athletics track. Participa..

The Jurassic Coast Ultra Run is a challenging 30-mile trail run that showcases the stunning landscapes of the Jurassic Coast and the Isle of Purbeck. Participants will embark on a guided journey starting and finishing at Studland Bay, navigating hilly terrain with an elevation gain of 4,000 feet. Th..

The BigSea 50K Trail Festival, set in the picturesque Isle of Purbeck, Dorset, offers an exhilarating experience for trail running enthusiasts. Participants can choose from four distances: 50km, 18 miles, a marathon, and a half marathon, all starting and finishing at the stunning Knoll Beach. The ro..