Trail Running calendar near Hanslope 2026-2027

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.

Experience a scenic trail run through the Cowdray Estate and South Downs National Park featuring distance options for all ages including dog friendly categories and a stacking finisher medal.

Complete a full marathon distance over three days through a series of five mile, trail, and half marathon races. Enjoy a weekend of running with on site camping and family activities in Sharnbrook.

Test your limits at World's Toughest Mudder, a premier 24 hour obstacle course challenge at Belvoir Castle. Compete individually or in a relay team to conquer 5 mile loops and elite obstacles for an entire day and night.

Join this intimate trail event at Hyde Hall Farm featuring distances from 5k to an Ultra Marathon. Enjoy undulating farm tracks and grassland with secure parking and bespoke medals provided for all finishers.

Experience an undulating trail run around the scenic Carsington Water reservoir. Choose between a 10k or half marathon distance and enjoy chip timed results and a bespoke medal in a beautiful countryside setting.

Explore the scenic Surrey Hills and North Downs Way with five trail distances ranging from 5 km to a 52 km ultra. Run through ancient forests and rolling fields with punchy hills and fully marked courses.

Experience an off road adventure through the private Matterley Estate in the South Downs National Park. Choose between a 10km or half marathon distance on a well marked course featuring gravel tracks and woodland trails.

Experience a summer trail running event in the scenic Thames Valley with distances ranging from 5k to a half marathon. Enjoy well marked routes through the Marlow countryside featuring chip timing and a unique themed medal.

Experience a day of trail running through the scenic woodland of Salcey Forest with four distance options ranging from 10km to 50km and generous cut off times.

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.

Experience a scenic 10km mixed terrain run through the trails and woodland of Hatfield. Starting and finishing at the 3 Brewers Brewery, participants enjoy chip timing and a complimentary drink at the finish line.

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.

Join this five kilometre fun run or walk across the undulating trails of Therfield Heath. This family friendly event features a two lap off road course and raises funds for the Teenage Cancer Trust.

Experience a historic trail run through the scenic Ashridge Woods on this five mile course. Enjoy a marshalled off road route starting and finishing at the Aldbury Recreation Ground with refreshments provided at the finish.

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.

Take on the Winster Hill Race in the heart of the Peak District with a 4 mile course and 177 m of climb that rewards effort with stunning views. Open to runners aged 14 and up with affordable pre entry and on the day entry available.

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 timed charity run along the Thames with lap options from 5.3 km up to ultra distances. The Run for a Tenner entry donates £10 to Rays of Sunshine and all finishers receive a bespoke medal.

Experience a unique point to point half marathon along the scenic canal towpaths from Wolverhampton to Birmingham. Run through the historic Coseley Tunnel and enjoy water stations hosted on traditional canal barges.