Trail Running calendar near Grantchester 2025-2026

The Wendover Woods 50 is a challenging 50-mile trail race organized by Centurion Running, taking place entirely within Wendover Woods. The course consists of five 10-mile loops featuring a mix of smooth descents and steep climbs, offering a rewarding experience for trail runners. Participants will b..

The Rugged Radnage 10K Run is a challenging mixed terrain race set in the picturesque Chiltern Hills near Radnage. Participants will navigate a course that includes roads, trails, and footpaths, featuring both ascents and descents. The event also offers a 5K option, which covers half of the 10K rout..

The Zigzag - 2025 Turkey Trot Challenge is a unique six-hour running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can run as far as they wish within the time limit, with the option to rest between laps. This event caters to runners of all levels, from beginners a..

The Kingston 10k is an exciting running event that takes place in Kingston, starting and finishing at the Kingston Hawker Centre. Participants will enjoy a scenic route through the streets of Kingston and along the river towpath. The event promotes community spirit and supports the Kingston Hospital..

The Riverside Marathon & Half Marathon is a scenic running event taking place along the River Thames, featuring a UKA certified route. Scheduled for November 23, 2025, participants can choose to run either a marathon or a half marathon, completing 4 or 8 laps respectively. The course is flat and fas..

The Wendover Woods Trail Run & Canicross, organized by Active Training World, offers a scenic and challenging experience set in the picturesque Wendover Woods. Participants can choose from a 5K, 10K, or Half Marathon trail run, with a special 5K Canicross event for those wishing to run with their do..

The Box Hill Vertical KM is a unique guided trail running event that focuses on tackling the hills of Box Hill and its surrounding areas. Participants will experience a specially designed route that achieves over 1000 meters of elevation gain in a short distance, without the use of hill repetitions...

The Zigzag St Andrews Day Challenge is a unique running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed event, running as far as they can on a scenic 5.3k multi-terrain loop through Thetford Forest. This event caters to runners of all l..

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. This 13-mile guided run showcases highlights such as St Martha's Church, the village of Shere, and breathtaking views from ..

The Hurtwood 50K, organized by Freedom Racing, is a popular ultra-running event set in the scenic Surrey Hills. This trail race features a fully marked long-distance route, enhanced with additional signage for participant guidance. The event includes regular checkpoints offering food and drinks, mak..

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..

Bauble Bimble is a festive running event held at Ferry Meadows, a scenic country park near Peterborough. Participants can choose between a 6-hour or 4-hour race, completing as many laps as they can on a 5.3k multi-terrain course. This event is suitable for runners of all levels, from beginners aimin..

The Winter Downs 200 is a challenging 200-mile continuous trail run scheduled for December 10-14, 2025. This event features a scenic loop around the South of England, incorporating renowned trails such as the North Downs Way, Vanguard Way, South Downs Way, Wayfarers Walk, and St Swithuns Way. Partic..

'Twas The Run Before Christmas is a festive running event held at Brandon Country Park in Suffolk, set within Thetford Forest. Participants can choose between a 6-hour or 4-hour timed race, completing laps on a 5.3k multi-terrain course featuring gravel paths and grassy areas. This event is suitable..

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..

The Christmas Canter is a festive running event taking place at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, with a seven-hour cut-off time. The course features scenic routes through local v..

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 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..