Trail Running calendar near Earith 2026-2027

A 21.2 km trail race across the National Trust's Dunstable Downs with about 450 m of ascent, waymarked routes and on course aid. Entry is limited to 300 runners with a 4 hour time limit.

The Martian Race is a trail run on historic Horsell Common, passing the sandpits from H.G. Wells' 'War of the Worlds'. Organized by volunteers, all proceeds go to local charities. It offers distances from 2k to 21k on a scenic, ecologically..

A multi-terrain 10km run starting and finishing at the Twisted Tree Brewery on the Tusmore Estate. There are standard and canicross options available. All finishers get a medal and a drink.

The Herts Hobble offers a choice of 26 or 18-mile circular routes through the undulating countryside of North West Hertfordshire. Starting from Baldock, the cross-country event includes checkpoint refreshments and a finish line meal. All fi..

A chip-timed trail running event in Trent Country Park, Enfield, offering a 10 km senior race plus junior and kids races, with race photographs provided and specific safety and age rules for participants.

Three races at Colworth Estate in North Bedfordshire combine to marathon distance: a 5-mile family run, an 8.1-mile trail and a 13.1-mile half. The event lists free camping and on-site family entertainment.

Trail event at Hyde Hall Farm offering distances from 5k to ultra marathon with lap options for heavy half and ultra. Aid station, baggage area and secure parking are provided and finishers receive a bespoke or lucky dip medal.

Explore the Thames Valley trails at the Marlow Trail Run. Choose from a 5K, 10K, or Half Marathon on an all trail course. Every finisher receives a themed medal and free race photos.

A one day multi distance trail running event at Salcey Forest offering 10K, half marathon, marathon and 50 km, on mainly hard packed forest trails. The event is cupless and all finishers receive a medal and a drink.

A multi terrain trail event at 3 Brewers Brewery on 28 June 2026 offering 10 km and a new 5 km option, with a medal, a pint cup and a free beer or non alcoholic drink for every finisher.

A half marathon at Box Hill Fort on 28 June 2026 with more than 3,000 feet of ascent over mostly rough tracks. The route offers views of the North Downs, the Mole Gap, Denbies Vineyard and Dorking.

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.

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 21.1 km off road half marathon along The Ridgeway between Coombe Hill and Whiteleaf Hill, featuring 526 m of ascent, two on route aid station visits and full course marking near Wendover on 5 July 2026.

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.

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.

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..

A multi terrain 5 km race at Fermyn Woods Country Park on Wednesday 8 July, part of the Northants 5K Series. All finishers receive a bespoke medal and a virtual entry option is available for those who cannot attend in person.

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.