Trail Running calendar near Marlow 2026-2027

Experience a chip timed multi terrain race through the picturesque country roads and bridleways of Willingham. Choose between 10km and 4 mile routes followed by fun races for children at the local recreation ground.

A 21.1 km off road half marathon along The Ridgeway in Buckinghamshire between Wendover and Princes Risborough. The hilly, fully marked course has two on route aid stations, a 4 hour time limit and a 350 runner field on 5 July 2026.

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.

Experience a scenic multi terrain race around Bewl Water with a choice of 15 or 5 mile routes featuring lakeside views and a festive finish with live music and treats.

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.

Experience a 6 mile trail run through the Bromsgrove countryside featuring woodland paths and rolling hills. Starting at Sanders Park, this off road adventure offers a scenic route with medals for all finishers.

Enjoy a guided 10km group trail run through the beautiful Thursley National Nature Reserve. This flat course features a famous boardwalk and is led by an experienced guide at a steady social pace.

Part of the Northants 5K Series, Race 4 runs in Fermyn Woods Country Park on Wednesday 8 July 2026 over multi terrain through an ancient woodland. Finishers receive a bespoke 5K medal and a virtual entry option is available.

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.

Enjoy a sunset run through the beautiful woodlands and meadows of Coombe Abbey Park. This two lap trail race offers a firm course and a friendly atmosphere for a perfect Friday evening activity.

Enjoy a flexible midweek 7 hour time challenge along the scenic River Thames. Run any distance from 3km to an ultra marathon on a flat signed course with a great aid station and finishers medal.

Phoenix Fridays offers a flexible Friday run with a "rock up and go" start. Choose your distance on a flat, timed 5.3km loop along the Thames towpath. All finishers can pick from a selection of signature medals.

Experience a varied multi terrain race through the woods and fields of Wiltshire. Runners can choose between a 6 mile course and a 2 km junior race with local refreshments provided at the finish.

Test your endurance in this 24 hour multi terrain event through the London area as a solo runner or in teams. Enjoy free camping and full site facilities while completing as many 5.75 mile laps as possible.

Follow Britains oldest trail through 5000 years of history on the Ridgeway. Choose between 50km or 100km distances and finish at the iconic Avebury Standing Stones with full medical and snack support.

Experience an obstacle course featuring large scale inflatables in Southampton. Participants can choose between three different distances for a unique physical experience on this bouncy course.

Explore twelve local parishes through the Worcester countryside on circular off road routes ranging from 10 to 40 miles. Walk or run this waymarked event featuring regular checkpoints and a hot meal at the finish.

Explore the ancient woodlands and chalky ridges of the Chiltern Hills with five trail distances ranging from 8km to a 50km ultra. Enjoy a plastic free racing experience starting from the historic market town of Princes Risborough.