Trail Running calendar near Chelmsford 2026-2027

Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.

Women-only obstacle event in Brentwood, Essex featuring a supportive, non-competitive 5 km course for ages 7+. Includes varied obstacles, a finisher medal, hot wash-downs and on-site facilities.

A coastal 7k beach race from Broadstairs to Ramsgate and back on 5 September 2026, organised with local club support. The event features individual and team prizes, on-site refreshments, and a live results feed.

An ultra endurance event in Heartwood Forest where participants cover four mile loops within a 12 hour window, solo or in relays up to eight people. Winners are decided by distance and all finishers receive a medal.

Half marathon and 10k at Wimbledon Common on 6 September 2026, with marked trails, marshals and a 3.5 hour cutoff. An event village offers food, drink and finish line goodies and the event supports the Beder charity.

An inaugural off road half marathon through Donyland Woods, Friday Woods and nearby countryside on Sunday 6th September. Entries were handled online and the event is listed as sold out with 26 entrants.

A 10 km race through the private grounds of Loseley Park in Guildford on September 6 2026, featuring timed results, bespoke finisher medals and official on-course photography.

A countryside off road 10k along the Flitch Way with chip timing, water stations and finisher T shirt and medal. The event raises funds for Takeley Silver Jubilee Hall and includes a one mile family fun run.

A community focused 10 km trail run at Dummer Down Farm on 6 September 2026. Off road course across grass, gravel and farm tracks with chip timing, a finisher medal and an event village; part of ticket sales supports Mind.

Guided 10 km trail run around Silent Pool near Guildford, following parts of the North Downs Way and Netley Heath forest. Sessions run at dusk or at night with headtorches in a led group and a recommended pace of about 10 min per mile.

Trifarm 10k Autumn trail run on 09 Sep 2026 is a largely off road 10k near Boreham as part of a four race series. The clockwise route uses public footpaths and bridleways and has bottled water at registration and a refill tap by the finish.

A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.

On 12 September 2026 a 50 km ultra follows the Boudicca Way from Diss to Norwich, passing historic Iceni and Roman sites. The route is waymarked, the start is close to Diss train station and the event is limited to 250 places.

A bi-annual trail and country lane race around Bewl Water in Kent offering 10 km, half marathon, marathon and 50 km ultra options. Routes follow the reservoir and include mapped GPX routes and course information.

A multi-distance walk, jog and run along the River Thames from Putney Bridge to Henley in September 2026 and 2027. Distances span **10 km** to **100 km** with rest stops, catering, medical support and GPS tracking via an event app.

A point-to-point 50K trail on 12 September 2026 from Lowestoft to Aldeburgh, following the Suffolk Coastal Path through Southwold, Dunwich Heath, Sizewell and Thorpeness. Fully marked with aid stations and a nine hour time limit.

A Backyard Ultra at High Lodge, Thetford Forest where runners complete a *4 miles 880 feet* loop every hour; full, 12 hour and 6 hour entry options are available, with camping, basic aid station and chip timing.

Trail running in the Surrey Hills with 10k, 21k and 42k routes on chip timed, well marked courses, aid stations and finisher medals. Starts and finishes at Shere Recreation Ground with free parking and an event village.

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.