Trail Running calendar near Caldecotte Lake 2026-2027

Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.

A looped trail event based at Henley Showground on 26 September 2026 offering 50 km, 25 km and 10 km routes with rest stops, medical support, camping and GPS tracking.

A 10-mile trail race set in the scenic Candover Valley at Chilton Manor Farm. The route features a historic Yew tree-lined finish and includes private trails with 240m of ascent. Participants receive a unique medal and can enjoy refreshment..

The Endless Garden is a last-person-standing Backyard Ultra marathon. Runners tackle a 4.167-mile loop every hour from a base at The Waggoners Pub, where spectators and crews are welcome. The event includes drink vouchers and a special pub..

Experience an autumn run through scenic pumpkin fields and farm tracks in Colchester. With 10k, 5k, and 1k distances, this flat off road event features chip timing and a family friendly event village.

Experience a scenic run through the private grounds of the Sandringham Estate featuring a half marathon and shorter distances. This sustainable event offers a unique chance to pass the Royal House on a mix of roads and trails.

Volunteer run charity 10k and 3k through farmland near Grantchester on 27 September 2026, supporting Maggie’s Centre Cambridge and Addenbrooke’s Charitable Trust. Chip timing, medals, trophies, parking and post run services available.

Ten mile trail race at Eridge Park on 27 September 2026 featuring steep climbs, muddy and technical single track, GPX course maps, finisher memento, trophies and a free pint and cake for finishers.

Enjoy a flat riverside run along the Thames with a chocolate themed aid station. Choose your own distance from 5km to ultra marathon within a flexible seven hour time limit.

Experience a scenic off road run through the fields surrounding Manuden with distances of 10k, 5k, and 1k. Enjoy locally organized routes with course water stations and finisher medals for all participants.

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..

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.

An inflatable obstacle 5 km at Kempton Park in South London on 3 October 2026. The 2026 edition is presented as an Inflatable 5K course and participant feedback notes positive family experiences and a five-star rating.

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.

Celebrate the 10th anniversary of this 5 mile chip timed trail and Canicross race. Run through the scenic Upper Wreake valley across fields and brooks with beautiful views over the Leicestershire countryside.

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.

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.