Trail Running calendar near West Mersea 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.

The Trail des 3 Forts (T3F) will take place in Le Portel on Friday 25 September 2026. You can run between 10 and 56 kilometers.

Experience an obstacle course weekend at Pippingford Park featuring distances from 5k to 50k. Run through rolling hills and rugged trails as you tackle the British OCR Ultra Championship or complete your Trifecta challenge.

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 flexible trail event at Billingford Lakes with a 5.3 km lap course through grasslands and rugged trails. Choose between 4 and 6 hour sessions to complete your preferred distance and earn your bespoke finisher medal.

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.

Join a community charity run through the flat farmland of Grantchester with 10 km and 3 km routes. Enjoy a traffic free course, chip timing, and post race treatments while supporting local cancer care and research.

A 10-mile, traffic-free trail race through Eridge Park’s woods, meadows and lakes with steep single-track climbs, muddy sections and water crossings. Organised by Tunbridge Wells Harriers, the event includes a finisher memento, prizes, cake..

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.

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.

A single-loop 100 mile trail from Plumpton Racecourse in the South Downs National Park, featuring over 12,000 ft of elevation, 12 aid stations, a 34 hour cutoff and free onsite camping. The race forms part of the South Downs Triple Crown.

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.

Looped night races on the South Downs from Plumpton Racecourse, featuring marked trails, aid stations and marshals. Distances include a 50k, half marathon and a 20-mile option with six- or twelve-hour finishing windows.