Trail Running calendar near Sunbury-on-Thames 2026-2027

The Aldbury 5 is a classic 5-mile cross country run through Ashridge Forest. This event has been a fixture for over 30 years. It finishes with prizes sponsored by the local Greyhound Inn.

Join a guided 10km trail run through the Devil's Punchbowl, a unique natural amphitheatre in Surrey. The group runs together on hilly trails, pausing for views. It's a social run, not a race.

Run the full 82 mile Essex Way from Epping tube to Harwich lighthouse over challenging trails and country lanes. Enjoy supported checkpoints, GPS tracking and a 24 hour finish window for an epic route across Essex.

Event Overview The Serpent Trail is a trail running event offering five distances: 100km, 75km, 50km, 20km, and 10km. It takes place on a long-distance trail through countryside in the South East of England, within the South Downs National..

Choose your own challenge at the Summer Sun Run, a flexible lap event set in the scenic Denbies Wine Estate. Complete as many 5.3 km laps as you like within 7 hours, with a large medal for all finishers. Enjoy a flexible start window and a..

The Fen Gallop features flat 10k and 4-mile multi-terrain races on country paths around Willingham. Both events start and finish at the recreation ground. A chipped timing system is used for all participants.

A scenic half marathon on the historic Ridgeway National Trail in Buckinghamshire. The hilly, fully-marked trail route connects Wendover and Princes Risborough, passing through the Whiteleaf Hill Nature Reserve.

Community road races of 10K, 5K and a 1K children's race near Much Hadham, organised by The Bishop's Stortford High School. Traffic free measured courses with chip timing, finisher T-shirts or an option to have a tree planted.

Two off road races around Bewl Water on 5 July 2026: a 15 mile route that includes the nature reserve and a 5 mile trail. The event is organised by Wadhurst Runners, supports the KSSAA, and features medals, t shirts, cake and beer.

A women only trail event at Denbies Wine Estate in Surrey on 5 July 2026 offering 50K, 25K, 10K and a kids race. No cut offs and options for in person or virtual participation, with profits supporting the SheRACES mission.

Trail races of 5 or 10 miles through forest tracks and lakeside paths at Moors Valley Country Park on 5 July 2026. The event includes chip timing, feed stations, medical support, and on-site parking.

Marston Madness is a 6-hour endurance challenge on a scenic 5k loop. Run solo or with friends to see how many laps you can complete, with professional chip timing tracking your progress in a supportive atmosphere.

A guided 10 km trail run through the scenic Thursley National Nature Reserve. Experience the famous boardwalk on this flat route, offered as both sunset and night runs. It's a group run with a steady pace, and head torches are provided for..

Tackle a multi-terrain 5K through the scenic Fermyn Woods Country Park near Brigstock. This evening race offers a unique finisher's medal and is open to runners aged 11 and over, with younger participants requiring adult accompaniment. Limi..

A 6-hour timed run along the flat Jubilee River in Slough on July 9, 2026. Participants complete laps of 5.24 miles, choosing their own distance. Every finisher gets a medal.

Choose your own distance in this flexible 7-hour timed challenge along the River Thames. Run as many laps as you like on a flat, signed course. All finishers get a medal and goody bag, with distance pins for longer runs.

The Hazelbury Hurrah! is an evening multi-terrain race in Wiltshire on July 10, 2026. Runners can tackle a challenging 6-mile route or enjoy a flat 2km junior race. The event raises funds for local charities and offers prizes, with pie and..

Race to the Stones is a historic ultramarathon on Britain's oldest trail, the Ridgeway. Choose from 50 km or 100 km distances, finishing at the ancient Avebury Standing Stones. The event offers extensive support with well-stocked pit stops,..

Explore the scenic Chiltern Hills on this trail run from Princes Risborough. Choose from five distances, from 8 km to a 50 km ultra, on a course featuring ancient woodlands and chalky paths. The event includes aid stations, a cup-free polic..

Ultra:5K challenges runners at Box End Park in Kempston. The format requires running a 5K on the hour, either five times or three times. The fastest total time across all the runs wins.