Trail Running calendar near Princes Risborough 2025-2026

The ATW Grafham Water - Trail & Canicross event invites participants to enjoy a scenic 10-mile trail run around the picturesque Grafham Water reservoir in Cambridgeshire. The route begins on the iconic dam and features fast-running trails through a Woodland Nature Reserve, past Dragonfly Pond, and a..

The Winter Downs 200 is a challenging 200-mile continuous trail run scheduled for December 10-14, 2025. This event features a scenic loop through the South of England, incorporating the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk, and St Swithuns Way. Participants have up to 96 ho..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event scheduled for December 14, 2025, at Shalford Park, Guildford. Participants can choose to run distances ranging from 3.14 to 31.4 miles, with options for a Pi marathon and a 1-mile fun run for younger children. The course is mostl..

'Twas The Run Before Christmas is a festive running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed race, completing laps on a scenic 5.3k multi-terrain course through Thetford Forest. This event is suitable for runners of all levels, w..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, allowing for a personalized racing experience. The course features scenic routes through..

The Festive Friston Forest Night Trail Run is a unique 5-mile running event set in the scenic Friston Forest, taking place on December 22, 2025. Participants will navigate the course using Strava GPX on their devices, with a tail runner to ensure safety. The event encourages festive spirit, featurin..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The Winter Woolly 10km is a popular trail running event held on December 24th at the picturesque Elstree School in Upper Woolhampton, Berkshire. This multi-terrain course offers participants a scenic experience through the beautiful countryside, featuring lanes, footpaths, trails, and woodlands, wit..

The Plain Crazy Winter 12.5 Mile run is a challenging event set in scenic and potentially snowy conditions, taking place on December 28, 2025. Participants can expect a hilly course that tests their endurance, with a 3.5-hour cut-off time. The event supports The Royal British Legion Poppy Appeal and..

The Knacker Cracker is renowned as "Britain's toughest 10k," featuring a challenging course that includes significant elevation changes, with a total ascent of 473 meters. The race takes place at Denbies Vineyard in Dorking, with a new route introduced in 2025 that avoids ecologically sensitive area..

The Country to Capital Ultra Marathon is a renowned 43-mile race that marks the beginning of the ultra running season. Set in the picturesque Buckinghamshire countryside, the course takes participants through diverse terrains, including trails and canal towpaths, culminating near the Little Venice c..

ZigZag's "WTF - Where's The Finish?" is a unique running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour race, covering a 5.3k multi-terrain loop through scenic forest paths. This event caters to runners of all levels, from beginners aiming f..

The Greener Earth Trail Series at Pippingford Park features two eco-friendly trail races designed to provide an exhilarating running experience while minimizing environmental impact. Set in the picturesque Ashdown Forest, participants can choose between a 5-mile or 10-mile course, with the second ra..