Trail Running calendar near Grafham Water 2025-2026

Centurion Running's Wendover Woods 50 is a 50-mile ultramarathon held in Wendover Woods, Aston Hill, Halton, Aylesbury. The course comprises five 10-mile forest loops on soft trails and tracks through Wendover Wood, offering runnable descents, steep ascents, and technical sections, with a total elev..

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 10K distances, with the 5K covering half of the 10K route. It..

Broadway Marathon & Half Marathon takes place in Broadway, Worcestershire, in the northern Cotswolds. The event offers two distances: a marathon and a half marathon. The course is long, hilly and muddy, predominantly on trails and unpaved tracks with a few minor road sections.It starts and finishes..

The 5th Sundon Saunter is a long-distance walking event held on 16 November 2025. The venue is Barton-le-Clay Village Hall, MK45 4JY (grid ref TL 083 307). Parking is available at the village hall or at Arnold Academy, Hexton Road, MK45 4JZ (grid ref TL 086 305). Entries open on 1 September 2025 an..

Dormouse Challenge is held at Salcey Forest, a Forestry England site near Northampton (NN7 2HX). It’s a 6-hour trail event on a 3.5-mile off-road loop, letting runners choose any number of laps from a 5k to well over 80 km within the time limit. The course uses well-maintained paths—crushed stone an..

The STAR Backyard PEASLAKE is a trail running event organised by Surrey Trek and Run at Peaslake Community Hall, Peaslake, Surrey (GU5 9RR). It is the first of a three-event STAR Backyard series, with Holmbury St. Mary and Shere to follow. The event runs for three hours and asks participants to com..

Petzl Night Trails 10K takes place at Salcey Forest, a Forestry Commission site near Northampton (postcode NN7 2HX). The event is a night trail run and participants must carry a head or chest torch to take part. Petzl will attend with demo head torches. A canicross option is available; canicross ru..

The Zigzag Turkey Trot Challenge is a six-hour timed running event held at the Suffolk Running Centre in Bury St Edmunds. Participants start together and run as many laps as possible on the undulating, multi-terrain Back Quack route, with an aid station available each lap. The event caters to all le..

The RunUk Kingston 10k is a scenic running event starting and finishing at the Kingston Hawker Centre in Surrey. The course takes runners through the streets of Kingston and along the picturesque river towpath, offering a vibrant atmosphere supported by local organizations. Participants receive a fi..

The ATW Wendover Woods Trail Run & Canicross takes place in the scenic Wendover Woods, located at the highest point in the Chilterns near Aylesbury. Participants can choose from a 5K, 10K, or Half Marathon trail run, all set on well-prepared, traffic-free woodland trails offering stunning countrysid..

The Action Heart Tuff Un is an annual multi-terrain running event held at Baggeridge Country Park in Dudley. Covering approximately 6 miles, the course features undulating trails, muddy paths, and a shallow stream crossing, offering a challenging yet rewarding experience for runners of all levels. W..

Nice Work Race Management presents the Sherwood Christmas 10k & 5k at Sherwood Pines, Edwinstowe, Mansfield, Nottinghamshire. The multi-terrain, undulating course runs through the ancient Sherwood Forest and also includes a Junior Run. The event emphasizes a festive, family-friendly atmosphere, with..

The The Maverick Exposure Lights Dark Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 17 kilometers.

Box Hill Vertical KM is a guided trail run held around Box Hill near Dorking, Surrey. The course covers about 12.5 miles with around 1000m of elevation, designed to rack up significant height in a compact distance. It traverses woodland, heathland and open fields, with hills that are technical enoug..

The The Maverick Original Oxfordshire will take place in Stonor on Saturday 29 November 2025. This trail is organized by Maverick Race. You can run between 7 and 22 kilometers.

The Riverside Marathon & Half Marathon, organized by Phoenix Running, takes place in Walton on Thames, Surrey, along the scenic River Thames towpath. This UK Athletics certified event features flat, fast, and accurately measured courses with no elevation gain, ideal for runners seeking personal best..

The 12th Colworth Hare and Tortoise Run is a 26.3-mile, five-lap event around the Colworth Estate in North Bedfordshire, hosted by Colworth Striders. The course blends gently undulating trail with unclassified road, including woodland paths with uneven surfaces and roots, narrow sections that limit..

Winter Bumble Bimble is a social winter trail run in the Bromsgrove countryside, starting and finishing at the Park Gate Inn on Kidderminster Road. The winter event offers a 5-mile option (11 miles in summer) through Dodford countryside, a valley, and Nutnells Wood, with marshals, arrows-marked rout..

The Zig Zag Running St Andrews Day Challenge is a multi-terrain running event held at Brandon Country Park in Suffolk, located in the heart of Thetford Forest. Participants can choose between a 6-hour or 4-hour timed challenge, running multiple laps of a 5.3 km course featuring gravel footpaths and..

Surrey Hills Half Marathon is a guided trail half marathon starting and finishing in Guildford, Surrey. The 13-mile route threads through the Surrey Hills’ scenery, including St Martha’s Church and hill, the village of Shere, and Newlands Corner and Hackhurst Downs, with sections of the North Downs..