Trail Running calendar near Biddlesden 2026-2027

A Thames Valley LDWA challenge from Liston Hall in Marlow offering new 25 km, 40 km and 50 km routes through the Hambleden and Stonor valleys, with checkpoint refreshments, a finish meal, timed e certificates and a free badge.

Join a guided 30 mile noncompetitive group run from St Martha's in Guildford along the North Downs Way through the Surrey Hills, passing Denbies and Box Hill. Led by an experienced coach, the run includes a cake stop and suits runners used..

Tackle chalk climbs, ridgelines and singletrack at Beat Box Hill, with distances from 21k to 50k and charity places. Marked routes, marshals, chip timing and a finish village with food and a themed medal await.

Tackle 55 km through the Forest of Dean, from ridges and dense woodland to the River Wye and Symonds Yat viewpoint. Technical single track and riverside sections offer scenic challenge and there is a canicross category.

A trail running festival at Cannock Chase Forest on 11 October 2026 offering half marathon, 10K, 5K and a junior race, with chip timing, a themed medal, race photos and an event village with food and partner goodies.

Choose a scenic 10k or shorter 5k through the Chiltern Hills around Frieth, combining woodland paths and country roads. Expect rolling climbs and panoramic views for a rewarding, hilly challenge for road and trail runners.

Run a scenic circular half marathon through Thetford Forest, on forest trails, hard packed sand and grassy paths with wildlife all around. Traffic free and cupless, the 13.1 mile event is manually timed and awards medals and photos.

Enjoy a scenic 10k through the woodlands of Limpsfield Common and High Chart in Oxted Surrey, with rolling climbs and a downhill finish. Single lap route suits trail runners seeking a challenging rewarding outing.

Join the Grafham Water Trail Races on 11 October 2026 with 10k and half marathon routes from Marlow Park around the reservoir on fully marked trails. Enjoy scenic water views, marshalled support and a finishers medal for all.

Run and support local schools at the FOOBS Trail and Fun Runs in Old Basing on 11 October 2026. Scenic community trails offer a 2K family fun run or chip timed 6K and 10K routes, with post run treats and plenty of local support.

Scenic, undulating trail runs around Carsington Water with half marathon and 10k options on 17 October 2026. Entries include a themed medal, water and post race refreshments, with marshals and kilometre markers to guide you.

A 100 mile continuous trail race on 17 October 2026 based at Goring and Streatley, run as four 25 mile out and back spurs on the Thames Path and Ridgeway. The route covers about 80% trail with 16 aid stations and a 28 hour time limit.

A 31 mile figure of eight trail run from Ashover Village Hall with a 20 mile northern loop option. The route is largely unmarked, GPX files and checkpoints are provided, and there is a nine hour time limit.

An annual cross country challenge with 25 km and 50 km routes through Kent, Surrey and Sussex. Routes change yearly and include checkpoints, food, first aid and finish facilities such as hot food and showers.

Blaze the Biblins on 18 October 2026 is a scenic 10k trail race through ancient woods and riverbanks near Ross on Wye. Expect technical single track, climbs including the notorious Demon hill, and a lively village finish.

Roughly 12K trail run on bridle paths and the Imber Range near the Westbury White Horse on 18 October 2026. Limited to 200 places so book early for a bespoke finisher medal and category prizes.

Town and Country Harriers is a friendly Bristol based off road club that meets most Thursdays, usually starting and finishing at a local pub. Trails range from city paths to the Mendips and Cotswolds and all who can run 4 to 5 miles are wel..

Halloween 7in7 at Pengethley Manor, Ross on Wye offers seven consecutive days of off road laps through vineyards and a hill, with distances from 5k to ultra. Walk or run any day or go virtual and collect seven themed medals.

Join the Witches Whisk at Pengethley Manor for a spooky Halloween trail across 2.5 km laps through vineyards and rolling offroad terrain. Pick 5k to ultra distances, ideal for runners or walkers after a fun seasonal challenge.

Celebrate Halloween at Pengethley Manor with the Scary Scamper, an offroad multi lap course winding through vineyards and hill sections on the manor grounds. Distances from 5k to ultra welcome runners and walkers with a 7 hour time limit.