Trail Running calendar near Chelmsford 2026-2027

A multi-distance race series around Bewl Water near Lamberhurst, Kent, on wooded trails and quiet country lanes. Available distances include 10 km, half marathon, marathon and a 50 km ultra with measured GPX routes and published time limits..

A multi distance event along the Thames Towpath from Putney Bridge to Henley, with rest stops, GPS tracking, catering and medical support. Options include solo or team entries and a weekend festival of related walks.

A 50 km point to point coastal ultra from Lowestoft to Aldeburgh on 12 September 2026, following varied paths via Southwold, Dunwich Heath and Sizewell with marked navigation, aid stations and a 9 hour time limit.

A forest backyard ultra at High Lodge where runners complete repeated 4.167 mile loops every hour until a single finisher remains. The event also provides 6 hour and 12 hour timed options and chip timing.

A chip-timed trail event in the Surrey Hills offering 10k, 21k and 42k routes with marked courses, aid stations, finishers' medals and an event village at Shere Recreation Ground.

A charity ultramarathon along the Essex riverside on 12 September 2026, offering 10, 30 and 50 mile routes with marked trails, medical cover and checkpoints. Proceeds support Prostate Cancer UK.

A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.

An 81 mile single loop ultra on the Bunyan Way in Bedfordshire with a 24 hour cutoff, 1,219 metres of climb and seven aid stations. The runnable country route features live tracking, medical cover and a bespoke finisher medal and T shirt.

A trail running event on 13th September 2026 in Seale, based at Myrtle’s Courtyard, with marathon and half marathon routes along the Pilgrims Way and North Downs Way that raise funds for local charities.

A multi-terrain trail race from Rye Sports Centre in East Sussex offering 30k (slightly over 30 km) and 15k routes through the High Weald AONB. The course links historic churches and passes woodlands, orchards, country lanes and coastal vie..

A village trail event in Slinfold on 13 September 2026 featuring chip timed 10k and 5k races plus children races. Races finish at Slinfold Cricket Club with refreshments, a licensed bar and replica medals for finishers.

A 10 km trail race in Sandridge, St Albans on 13 September 2026, starting and finishing at Sandridge Primary School playing field. Organizers publish route information and FAQs, and the event is supported by Sandridge Parish Council.

TrailFest at Holdenby House offers four traffic free trail distances inside a private estate, with routes on farm tracks, field edges and through a small wood, plus rolling hills and open countryside views.

An annual trail event on rough tracks around Ashtead Common offering a 10K and a 2k kids run while raising funds for local charities. The undulating course forbids earphones and encourages low impact travel to the nearby train station.

Experience an annual fun run at Barton Abbey in Oxfordshire featuring 10k and 5k courses on undulating terrain. Join several race distances or a flexible family fun run to support the maintenance of Steeple Barton Church.

SOX 10 km on 13 September 2026 at Ridgeway View Campsite near Wallingford features a multi terrain 10 km and a canicross 10 km, finishers get a medal, pint cup and free drink while fundraising supports the Thames Valley Air Ambulance.

Timed laps on a 5.3 km riverside course along the Thames allow runners to build distances from 5 km up to ultras. First 50 entries receive a black and yellow plushie and a Feisty mini me medal; a no medal option is available.

A seven-hour lapped trail event near Hitchin on a 5K off-road loop, with a Mini Mile and virtual option, event village amenities, parking and some proceeds donated to a local charity.

An off-road, timed 5K and 10K in the Essex countryside with a fully marshalled footpath route, village-hall finish, and fundraising support for the local Scout Group and tree-planting.

A 50 mile single-loop ultramarathon in the Chiltern Hills around Goring on Thames, with 5,600 ft of climb, five aid stations, full medical cover and a 13 hour finish cut off. The course is mostly trail and fully marked.