Trail Running calendar near Chalfont Saint Peter 2026-2027

Explore the North Downs and Stour Valley with 15, 20, or 27 mile routes starting from Wye. Enjoy views of the historic Wye Crown and fully stocked checkpoints on this self-navigated Kentish adventure.

MacTuffX London offers a unique interval running competition in September 2026. Participants can compete in solo doubles or relay categories over repeated 400 meter or 800 meter distances in Barking.

The Kingfisher Challenge is a flexible six-hour trail run in the scenic Coombe Abbey Park. Run as many 3.3-mile laps as you like on paths through woodland and grassland. Choose your own distance and finish with a medal or a tree-planting to..

Experience a 100 mile single loop trail race through the South Downs National Park starting from Plumpton Racecourse. This event features 12000 feet of elevation and includes twelve aid stations with onsite camping available.

Join a 30 mile guided group run exploring the scenic Surrey Hills and Box Hill. This event offers professional coaching on the trails and is an ideal entry point for those new to ultra running.

Experience the worlds largest inflatable obstacle course at Kempton Park. Navigate a variety of bouncy structures in this fun event located in South London on Saturday 3rd October 2026.

Experience a scenic 50km ultra marathon from Moors Valley Country Park to the Bournemouth coastline. This flat point to point course features forest trails and seafront paths with full medical and navigation support.

Experience an ultra distance eco trail through the ancient woodlands of London. This event takes runners on a 50 km journey starting from Capel Road into the natural paths of Epping Forest.

Hit the trails at London EcoTrail 25 KM on 3 October 2026 in Epping's Bell Common. Enjoy a scenic 25 km route through woodlands and countryside, perfect for trail runners craving a nature filled challenge.

Experience the South Downs after sunset with looped races starting at dusk. Choose from three distances featuring rolling trails and reflective course markings under an official Dark Sky Reserve.

Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.

Experience a flat and fast riverside trail race along the scenic Thames Path in Richmond. Choose from 10km, half marathon, or marathon distances on a well marshalled out and back course.

Choose from 25 km, 40 km, or 50 km routes in this self-navigated challenge through the Thames Valley. Starting from Marlow, this event features supported checkpoints and a group meal at the finish.

Experience a 75 mile coastal ultramarathon along the scenic Essex Saltmarsh coastline. Choose between a continuous run, a two day journey, or a relay team event with full GPS tracking and support.

Experience a scenic multi terrain race through East Grinstead dedicated to local charities. This friendly event features a flat course along bridleways and residential roads with chip timing and a sustainable finisher medal.

A flexible 6-hour timed run along the flat Jubilee River towpath. Run one 5.24-mile lap or see how many you can complete. The scenic route passes through countryside with views towards Windsor Castle.

Tackle the Kent Downs on Saturday, 10 October 2026. Choose from 50 km, 25 km, or 10 km looped routes starting from the Maidstone basecamp. Enjoy full support with rest stops, food, and a celebratory finish line.

Test your endurance at Turvey House with a 6.7 km loop every hour on the hour. Choose to run solo, in a pair, or join the capped eight hour challenge in this unique last person standing format.

Experience the bouncy inflatable obstacle course at Cheltenham Racecourse. Choose between several distances and navigate through a series of large inflatables while earning your finisher medal.

Experience the iconic trails of Surrey with a choice of three distances through woodland paths and ridgelines. Enjoy a chip timed challenge featuring elevation and scenic views at Box Hill.