Trail Running Calendar South East (England) 2024-2025

The Mapledurham Backyard Ultra will take place in Mapledurham on Saturday 3 May 2025. You can run 6 kilometers.

The Three Forts Challenge is a renowned running event held annually, featuring a challenging marathon of 27.2 miles with significant elevation gain. The course takes participants through scenic routes across the South Downs, including notable landmarks like Cissbury Ring and Devil’s Dyke. In additio..

The BigWayRound - Winchester Trails Festival is an exciting running event set in the historic city of Winchester, England. Participants can choose from various distances, including a 14-mile, 19-mile, marathon, and a 50k ultramarathon, all traversing scenic trails along the Itchen Navigation and thr..

Run to the Sea Brighton is a scenic 50km ultramarathon that takes participants from Horsham to the beautiful Brighton seafront. The course features a diverse mix of terrains, including trails and rolling downs, making it suitable for both novice and experienced runners. The event is well-organized, ..

The Bewl Water Spring event is a scenic bi-annual race series held near the Bewl Water Visitor Centre in Kent. Participants can choose from four distances: a 10km, half marathon, marathon, and ultra marathon, all set against the backdrop of beautiful rural trails and quiet country lanes. The courses..

The Long Wittenham 5km Family Fun Run & Walk is a community event designed for participants of all ages and abilities. Set in the picturesque countryside, the course features clearly marked and marshalled paths around Paradise Wood, culminating at The Plough pub, where refreshments are available. Pa..

The Centurion North Downs Way 50 (NDW50) 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, just outside Greater London. With a total elevation gain of 5,600 feet, the course fe..

The Reigate Priory Park 10K Charity Fun Run will take place in Reigate on Sunday 18 May 2025. You can run 10 kilometers.

The Fox Trail is a premier trail running event set in the scenic 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 we..

The UK Ultra - South Downs Ultra will take place in South Downs National Park from Saturday 24 May 2025 to Sunday 25 May 2025. You can run between 13 and 100 miles.

The Three Castles 50Km will take place in Rochester on Saturday 31 May 2025. You can run 50 kilometers.

The Beat the Sunset 50km is a multi-terrain ultra marathon held in the Thames Valley, starting from Maidenhead. Participants aim to complete the course before sunset, with a generous cut-off time making it suitable for both newcomers and experienced runners. The event features a scenic, flat, single..

The Centurion South Downs Way 100 (SDW100) is a prestigious 100-mile non-stop foot race that traverses the scenic South Downs Way National Trail in Southern England. Celebrating its 14th annual event, the race features stunning landscapes, including rolling hills and ancient forts, starting from Win..

The Southampton Running Festival is set to take place on June 15, 2025, at the scenic Southampton Common, a designated Site of Special Scientific Interest. This event features a variety of races, including a Half Marathon, 10k, and 5k, all designed to provide an excellent opportunity for participant..

The Hampshire Hoppit is an exciting off-road trail running event set in the scenic North Hampshire Downs. Participants can choose from three distances: a full marathon (26.2 miles), a half marathon (13.1 miles), or a 10k race. The routes feature well-marked paths and include sections of the renowned..

The Robertsbridge Midsummer 10K & 5K is a vibrant community running event hosted by the Robertsbridge Bonfire Society in the picturesque village of Robertsbridge, East Sussex. Open to runners of all abilities, the event features a 10K race consisting of two laps and a 5K race with one lap, both on t..

The Centaur 100 Mile Ultra, organized by Phoenix Running, is a challenging 100-mile race held at Denbies Wine Estate in Dorking. This event is designed to be inclusive and supportive, catering to both seasoned ultra-runners and first-timers. Participants have up to 30 hours to complete the race on a..

The Denbies Marathon & Half Marathon, organized by Phoenix Running, is set to return on June 21, 2025. This unique event offers participants up to 30 hours to complete their race, with flexible start times from Saturday morning to late Sunday morning. The race takes place on a flat-ish 1-mile loop w..

P24 - The Longest Attended Day is an endurance running event taking place at Denbies Wine Estate in Dorking, coinciding with the summer solstice weekend. Participants challenge themselves to run 1 mile on the hour, every hour, for 24 consecutive hours. The event features a flat mile route, full chip..

Race to the King is an inclusive ultramarathon event taking place on June 21, 2025, starting and finishing at West Dean Gardens. Participants can choose between a challenging 100km route, which consists of two loops— a flat Coastal loop and an undulating Castle loop— or opt for either 50km loop. The..