Trail Running calendar near Marlow 2025-2026

The West Wight 3 Hills is a scenic running event organized by Ryde Harriers, taking place on April 21, 2025. This 8-mile race features an undulating course with approximately 900 feet of ascent, showcasing beautiful landscapes including Golden Hill Fort and Tennyson Down. Participants can enter this..

The Thames Ring 250 is an iconic 250+ mile ultramarathon that takes participants on a challenging loop from Goring along the River Thames into London, up the Grand Union Canal, and back down the Oxford Canal. First held in 2009, this race features a high difficulty level, with a DNF rate exceeding 5..

The Viper 5 Mile Trail Run is an exciting spring event designed for participants over 18, featuring a scenic route that emphasizes self-sufficiency. Runners are encouraged to bring their own water and provisions, as well as necessary gear for varying weather conditions. The event has a limited capac..

The Bath Beat is a scenic walking and running event held annually in April on the outskirts of Bath, offering distances of 12.5, 17, 21, and 26.5 miles. Participants traverse beautiful countryside, including woods, hills, and river valleys, with routes featuring historical landmarks and picturesque ..

The Chiltern Hills 100K is an ultra marathon set to take place on April 26, 2025, featuring a scenic route through the picturesque Chiltern Hills. Starting and finishing in Chesham, the race covers a marked anticlockwise loop that includes notable landmarks such as Ashridge Estate, Ivinghoe Beacon, ..

The Brighton to London 100k Ultramarathon is a challenging trail race covering 101 km, connecting the cities of Brighton and London. Scheduled for April 26, 2025, the route features a mix of major trails, including the South Downs Way, Sussex Border Path, and London Loop, along with quieter country ..

The Magna Carta Spring event, scheduled for April 26, 2025, is a scenic running event held in Runnymede, near the historic site where the Magna Carta was signed in 1215. Participants can choose from three race distances: a 10K, half marathon, or marathon, all starting at the Wraysbury Skiff & Puntin..

The Malvern Hills 18 Miler is a guided trail running event organized by Running Adventures, set in the scenic Malvern Hills. Participants will embark on an 18-mile route that includes challenging trails and stunning views, with a total elevation gain of over 1300 meters. The event emphasizes a socia..

The Surrey Hills Half Marathon is a scenic trail running event that takes participants through the stunning landscapes of the Surrey Hills, starting and finishing in Guildford. Covering a distance of 13 miles, the route features highlights such as St Martha's Church, the village of Shere, and breath..

The Angmering Bluebell Trail Run, taking place on April 27, 2025, marks its 21st year at the scenic Angmering Park Estate in West Sussex. Participants can choose between a 10-mile or 10km trail run, both showcasing the stunning bluebell woods and private tracks at the foot of the South Downs. The ev..

The Rathfinny Run is a unique running event set in the picturesque Rathfinny Wine Estate, renowned for its sustainable practices and stunning landscapes. Scheduled for April 27, 2025, participants can choose between a 10.7km single loop or a challenging half marathon, both traversing hilly trails am..

Zigzag's "The Other Run" is a running event scheduled for the same day as the London Marathon, offering participants a choice of distances: 5k, 10k, half marathon, or full marathon. Set in the scenic Suffolk Running Centre, the event features a mass start and a seven-hour cut-off time. Runners can e..

The Mid Sussex Marathon Weekend is a popular running event returning for its 14th year in 2025, featuring a variety of races over a three-day Bank Holiday weekend. Participants can choose from a 10-mile race in East Grinstead, another 10-mile race in Haywards Heath, and a 10K race in Burgess Hill. T..

The Mapledurham Backyard Ultra is a thrilling last-man-standing running event set to take place on May 3, 2025, at Mapledurham House in Reading. This ultra marathon features a 4.167-mile loop through scenic Chazey Woods, where participants run on the hour, every hour, until only one runner remains. ..

The Isle of Wight Ultra Challenge, taking place on May 3-4, 2025, offers participants a stunning coastal path experience with various distance options including 106 km, 53 km, 50 km, 25 km, and a 10-mile challenge. Up to 2,000 adventurers can choose to walk, jog, or run, starting from Chale Basecamp..

The Centurion Thames Path 100 is a prestigious 100-mile trail race that takes place along the scenic Thames Path, stretching from Richmond in London to Oxford. This event, held annually, features a flat and fast course with a total elevation gain of 1,900 feet. Participants must complete the race wi..

The Marlborough Downs Challenge is an exciting trail running event featuring two distances: a 33-mile race and a 20-mile race, both set in the stunning Wiltshire countryside. Participants will navigate scenic routes that include the Wansdyke Path, Tan Hill Way, and the White Horse Trail, with signif..

The Two Castles Trails is a unique trail running event featuring narrative races that guide participants through a circular route around the villages near Hedingham and Clare Castles. The marathon and half marathon routes are predominantly off-road, covering diverse terrains. Runners must follow wri..

The Three Forts Challenge is a renowned running event held annually in Worthing, featuring three race options: a full marathon, a half marathon, and a 5-mile trail run. The marathon, slightly longer than the traditional distance, takes participants through challenging terrain with steep climbs and s..

The Bluebell Bash is a scenic trail running event set in the picturesque bluebell forests of Manswood, Wimborne. This spring race offers participants a choice of distances, including a Half Marathon, 10K, and 5K, all suitable for canicross. Runners can expect well-stocked aid stations, stunning view..