Trail Running calendar near Willen Lake 2026-2027

A 5k muddy obstacle course at Kempton Park Racecourse on 04 July 2026 featuring climb, crawl and slide obstacles. Entry fees and a minimum fundraising target apply; facilities include parking, toilets and on-site accessibility support.

A 5k obstacle event at Mote Park on 4 July 2026 featuring climbs, crawls and slides around the lake. The event has a £50 fundraising minimum and is not suitable for wheelchair users or pushchairs.

A 24 hour challenge on a 1 mile loop at Nuneaton Harriers track where runners complete one mile each hour for 24 consecutive hours, with a substantial finisher's medal for completers and limited attended places.

Experience a chip timed multi terrain race through the picturesque country roads and bridleways of Willingham. Choose between 10km and 4 mile routes followed by fun races for children at the local recreation ground.

A 21.1 km off‑road half marathon along The Ridgeway between Wendover and Princes Risborough, featuring 526 m of ascent, two repeated aid stations, full route marking and a 4 hour time limit.

Community road races of 10 km, 5 km and a 1 km youth race at Jobbers Wood near Much Hadham on 5 July 2026. Organised by The Bishop's Stortford High School as a fundraiser with chip timing, finisher T shirts and age group trophies.

Forest trail races at Cannock Chase on 5 July 2026 feature a half marathon and 10k through hilly woodland, available route maps, on-site parking, a bespoke medal and free race photographs.

A women only trail event at Denbies Wine Estate in Surrey on 5 July 2026 offering 50K, 25K, 10K and a kids race. No cut offs and options for in person or virtual participation, with profits supporting the SheRACES mission.

A six hour endurance run on a scenic 5k loop at Marston Lodge in Marston Trussell. Fully chip timed with solo, pair, and team entry options so runners complete as many laps as they can in six hours.

Experience a 6 mile trail run through the Bromsgrove countryside featuring woodland paths and rolling hills. Starting at Sanders Park, this off road adventure offers a scenic route with medals for all finishers.

Ware Festival of Running on Sunday 5 July 2026 features a 10 mile, a 10k and children's races along the River Lee Navigation. All proceeds support the Essex and Herts Air Ambulance.

A Pretty Muddy 5k obstacle event at Fairlands Valley Park with mixed terrain, staggered wave starts and on-site facilities. Participants must be 13 or older and receive event support plus a finisher medal.

Oaks Trail at Rivenhall Oaks golf centre on 05 Jul 2026 offers two unmarked routes of about 6.5 or 3.5 miles, with entry fees split by England Athletics affiliation and proceeds donated to Essex and Herts Air Ambulance Trust.

A guided 10 km group trail run across the 325-hectare Thursley National Nature Reserve in Surrey, on largely flat heathland and a boardwalk. Entry is £16 per person and parking is available.

Part of the Northants 5K Series, Race 4 runs in Fermyn Woods Country Park on Wednesday 8 July 2026 over multi terrain through an ancient woodland. Finishers receive a bespoke 5K medal and a virtual entry option is available.

Experience an off road 10 km single lap through the trails of Wyre Forest in this summer evening race. This inclusive event welcomes canicross runners and offers a focused racing environment starting from the Callow Hill Visitor Centre.

A 6-hour timed run along the flat Jubilee River in Slough on July 9, 2026. Participants complete laps of 5.24 miles, choosing their own distance. Every finisher gets a medal.

A 10 km trail run at Coombe Abbey Park through woodland and meadows with variable underfoot and an undulating route. Tiered entry fees apply, biodegradable cups are provided on course and there is a charity partnership with Roald Dahl’s Mar..

A six hour lap event at Coombe Abbey Park with 3.3 mile laps through woodland, meadow and stone paths. Participants choose how many laps to complete and can take a medal or a tree token that plants a tree.

A multi-day Spartan obstacle event at Belvoir Castle featuring Sprint, Super and Beast races plus kids races and Hurricane Heat sessions. The Trifecta Weekend format lets racers attempt all three main distances across the same weekend.