Trail Running Calendar South East (England) 2025-2026

The Maverick X Series South Downs 2025 is an exciting ultra-running event set in the picturesque Queen Elizabeth Country Park. Scheduled for June 28, 2025, participants can choose from four routes: Ultra (51 km), Long (42 km), Middle (21.5 km), and Short (9 km), catering to all levels of runners. Th..

The Abbotts Ann Trail Runs, organized by Muddy Runners, features 5km and 10km trail races set in the picturesque Hampshire countryside near Andover. Participants can expect challenging yet beautiful routes that showcase the undulating landscape of the Test Valley. The event promotes a cupless approa..

The Hangers Way 50K is a scenic ultramarathon event that takes place in the beautiful Hampshire countryside, starting at Alice Holt Country Park and finishing at Queen Elizabeth Country Park. This point-to-point trail run features a fully marked course that showcases the unique landscapes of the are..

The Guided 10K Pub Run will take place in New Alresford on Sunday 29 June 2025. You can run 10 kilometers.

The Devil's Punchbowl 10k is a guided trail running event set in the scenic Devil's Punchbowl, Surrey. This 10km run is designed for participants of all skill levels, offering a fun yet challenging experience along beautiful trails and hills. Runners can enjoy breathtaking views while taking the cou..

The Serpent Trail is a scenic trail running event set in the stunning South Downs National Park, featuring a variety of distances including 100km, 75km, 50km, 20km, and 10km. Participants can enjoy breathtaking landscapes, including rare habitats and ancient woodlands. The event includes coach trans..

The High Weald Challenge is a running event featuring three scenic routes of 30 miles, 22 miles, and 16 miles, set in the picturesque countryside around Burwash and Robertsbridge. Participants will enjoy well-marked trails with indoor checkpoints offering refreshments, including tea, coffee, and sna..

The Bewl 15 Mile & 5 Mile race, organized by Wadhurst Runners, is a scenic running event held at Bewl Water in Sussex. Celebrating its silver anniversary, this race features a challenging multi-terrain route that showcases stunning lakeside views and quiet country lanes. Participants can enjoy a vib..

The Chiltern Ridge Half Marathon is a challenging trail running event set along The Ridgeway National Trail in Buckinghamshire. Scheduled for July 6, 2025, this race covers a distance of 21.1 kilometers with an elevation gain of 526 meters, offering stunning views and a variety of terrain. Starting..

The North Downs 50 Ultra Challenge is a premier endurance event set in the scenic Surrey Hills, featuring a 50 km loop starting and finishing at Guildford Basecamp. Participants can choose from various distances, including 25 km and 10 km options, making it accessible for all experience levels. The..

Race to the Stones is the UK's largest ultramarathon, taking place along the historic Ridgeway, leading participants to the ancient Avebury Standing Stones. Scheduled for July 12-13, 2025, the event offers a challenging 100km route that can be completed non-stop or over two days, with a basecamp for..

The Thackray Williams Sevenoaks 7 is a celebrated running event taking place in Knole Park, Kent, marking its 30th edition in 2025. This challenging 7-mile race features scenic trails with hills and twists, appealing to both competitive runners and casual participants. A 3.5km Junior Run is also ava..

The Surrey Hills 10km is a scenic guided trail run set in the stunning Surrey Hills, starting near Guildford. Participants will experience a beautiful route that includes a climb up St Martha's Hill, offering panoramic views, and a descent through the picturesque Tillingbourne Valley. This event is..

The Pewsey Vale Ultra is an exciting new running event featuring a challenging 125km loop through the picturesque Wiltshire countryside, following the Pewsey Vale Circular walk route. Participants will experience a total ascent of 1902m, with the course well-marked and supported by checkpoints every..

The Humanity Direct Chiltern Challenge is a one-day endurance event set in the picturesque Chiltern Hills, offering participants the choice of running distances of 10 km, 25 km, or a full 50 km ultra marathon. This event not only provides a challenging experience for both novice and seasoned runners..

The Maverick X Series Chilterns 2025 is an exciting trail running event set in the picturesque Stonor Park, known for its historic manor house and ancient deer herd. Participants can choose from four challenging routes: Ultra (52 km), Long (42 km), Middle (22 km), and Short (12 km), all featuring st..

The Hughenden Valley Half Marathon is a scenic trail running event set in the picturesque surroundings of Hughenden Manor and its woodlands. Scheduled for July 19, 2025, this half marathon covers a distance of 21.1 km, featuring a challenging course with several hills that promise a rewarding finish..

The Hughenden Valley 10K is a popular trail running event set in the picturesque surroundings of the National Trust's Hughenden Manor estate near High Wycombe. Scheduled for July 19, 2025, this challenging race features a hilly 10K course that combines woodland and rural trails, making it suitable f..

Bright Skies - Surrey Hills is an exciting daytime trail running event featuring a half marathon, 10-mile, and 10K races, along with 1K and 2K kids' races for ages 3-12. Set in the picturesque Surrey Hills, the course offers a scenic and challenging route through the Denbies Wine Estate. This event,..

The Ashdown Forest 10 & 5 Mile Series is an eco-friendly running event taking place at Pippingford Park, featuring two races designed to provide an exhilarating experience in a sustainable environment. The first race is scheduled for July 20, 2025, followed by a second race on January 25, 2026. Part..