Trail Running calendar near Dartford 2026-2027

Half marathon and 10 km races at RAF Greenham Common in Thatcham, Berkshire. The traffic free, flat course has water stations, free parking and a children's race paid on the day for £5; proceeds support New Life Special Care Babies.

A guided 16k trail run at High Lodge in Thetford Forest led at a conversational pace with route guidance, trail running tips and an optional cool down. Terrain is mostly flat with a couple of small hills and parking costs £3.

The Phoenix Running - Slough will take place in Slough on Thursday 8 October 2026. You can run 5 miles.

A lap based Friday timed run on the Thames towpath offering distances from a single 3.28 mile lap up to ultra distances, with the ten pound charity entry supporting Rays of Sunshine and a special double sided medal.

Looped trail event near Maidstone offering 50 km, 25 km and 10 km options. The route follows the North Downs Way and River Medway and includes covered rest stops, GPS tracking and camping at basecamp.

A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.

The Beat Box Hill 50k will take place in Tadworth on Saturday 10 October 2026. You can run between 21 and 50 kilometers.

A 10 lap ultra at Pippingford Park on 10 October 2026 with 3, 4 and 5 mile loop options, regular aid stations and close parking.

A half marathon and 10K through Epping Forest, London on 10 October 2026, run on marked woodland trails with aid stations, chip timing and an eco friendly focus.

A military‑inspired obstacle mud run at Hever Castle on 10–11 October 2026, offering **3K**, **6K**, and **12K** courses, obstacles modelled on Royal Marines training, a survival experience, and an event village with music and attractions.

Road and trail races in the Chiltern Hills on 11 October 2026 offering 5 km and 10 km routes with woodland paths, country lanes and notable climbs.

A looped 20 mile trail at Landguard Fort on 11 October 2026 crossing nature reserves, estuaries and the Port, with aid stations and race kit included.

The Titsey Trail 10k is a community running event held on Sunday, 11th October 2026. Organized by runners for runners, it raises funds for a variety of local charities.

Fully marked trail races at Grafham Water on 11 October 2026 offering a 10k and a half marathon around the reservoir, with GPX routes, water stations, first aid cover, medals and prizes for top finishers.

FOOBS Trail and Fun Runs on 11 October 2026 offers chip timed 10K and 6K trail races plus a 2K fun run at Old Basing and Lychpit Recreation Ground. Proceeds support Friends of Old Basing Schools.

A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.

A circular half marathon at High Lodge, Thetford Forest featuring mixed hard-packed trails, wildlife, cupless water stations and podium prizes.

Community organised *5k* near Aldershot on Sunday 11 October 2026 with a very flat route on the Polo Fields and Basingstoke Canal towpath, chip timing, a bespoke finisher medal, and a subsidised race t shirt option.

A 10 km undulating multi-terrain race from Buckingham Town Centre through Stowe National Trust gardens and countryside, with medals for finishers and local charities supported.

A scenic approximate 15 km trail race in Tring on 11 October 2026, routed through Ashridge Estate, the Ridgeway and Pitstone Hill with water stations and finish facilities.