Trail Running calendar near Earith 2026-2027

We have found 343 Trailruns within 80 miles of Earith. See below where and when you can find the races.

Experience the undulating grassland and woodland of North West Hertfordshire on a circular cross country route starting from Baldock. Choose between 18 or 26 mile courses featuring panoramic countryside views and multiple checkpoints.

Experience a scenic trail run through the woods and fields of Trent Country Park with chip timed races for seniors, juniors, and children.

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.

Complete a full marathon distance over three days with a 5 mile run, an 8.1 mile trail race, and a half marathon. Enjoy a family friendly weekend at the Colworth Club with free camping and onsite facilities.

Experience an intimate trail run at the exclusive Hyde Hall Farm in Hertfordshire with lap based distances ranging from 5k to an Ultra Marathon. Enjoy a supported course with on site parking and a custom finishers medal.

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.

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.

July 2026

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.

UTMB Index

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.

UTMB Index

Join this community fundraising event featuring chip timed races on traffic free roads through East Hertfordshire. Choose between road races or a children's run while supporting new local sports facilities.

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.

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..

Experience a multi terrain 5k run through the ancient woodland of Fermyn Woods Country Park near Corby. This chipped event welcomes runners of all abilities aged 11 and over with bespoke medals for all finishers.