Trail Running calendar near Grafham Water 2026-2027

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.

Race two of the 2026 Trifarm trail series, this 10K summer run is over 95% off-road on public paths. Starting near a humpback bridge at Trifarm in Boreham, the anticlockwise course finishes with a lap around the lake.

Tackle a full marathon distance over three days at the Colworth Marathon Challenge. Run a 5-mile trail, an 8.1-mile cross-country, and a 13.1-mile half marathon on the Colworth Estate. Free camping and family entertainment add to the weeken..

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.

Trail half marathon and 10K around Carsington Water on 27 June 2026, with chip timing, kilometre markers, event photos and a bespoke 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.

TrailFest offers a day of trail running on the forest paths of Salcey Forest, with four distances from 10 km to 50 km. The cupless event has generous cut-off times and is accessible by car or public transport. All finishers receive a medal.

Looped races at Chasewater Country Park offer 5K laps for options from 5K up to a full marathon, a relatively flat mixed-surface course with park facilities and aid stations, and a finisher medal and occasional snack.

Run a multi-terrain 5km or 10km course starting from the 3 Brewers Brewery in Hatfield. Every finisher gets a medal, a drink, and a souvenir pint cup. The event takes place on 28 June 2026.

The Midsummer Munro is a half marathon held at Box Hill Fort in Surrey. The event takes place in late June. Runners can register online until the day of the race.

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.

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.

A unique point-to-point half marathon along scenic canal towpaths from Wolverhampton to Birmingham. The race uses a time-trial wave start system and features the memorable Coseley Tunnel. Finishers receive a bespoke medal and finish in the..

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.

Run through the forest trails of Cannock Chase on a hilly course. Choose between a half marathon or a 10k distance, with a bespoke medal and free photos for all finishers. The event includes free parking and prizes for top runners.

Navigate the scenic Matlock Skyline on one of two unmarked circular routes. This event supports Derby Mountain Rescue Team. Finishers get a certificate.

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.