Trail Running calendar near Willen Lake 2026-2027

A single-loop 50K trail race on 31 October 2026 starting and finishing in Berkhamsted. Fully marked route with three aid stations, about 800 m of ascent, a nine hour time limit and a 350 runner field.

Experience a festive 6.66 km Halloween trail run starting and finishing at a local brewery in Chelmsford. Participants enjoy a costume focused event with medals and drinks for finishers in a social atmosphere.

Nighttime trail laps at Alice Holt Forest on 31 October 2026 with 5 km, 10 km and 15 km options. Fully marked and timed courses include one outpost per lap and on-site facilities such as parking, food and a finisher medal.

An evening Halloween trail at Hogmoor with kids and adult loops: 3.3K, 6.6K (including canicross) and 10K. The sandy, muddy course features oversized statues, on-site playground, free parking and medals for finishers.

A timed, lap-based run along the Itchen Way in Winchester with 2.62 mile loops, a seven hour limit, flexible start times, an aid station with vegan options, and a bespoke finisher's medal.

Forest trail races at Wendover Woods on 1 November 2026 include marathon, half marathon, 10k and a junior run over a multi-lap 10 km course with varied, hilly terrain and on-site facilities for spectators.

A 10 mile off road trail in Stonehouse near Stroud on 1 November 2026, starting with about one mile uphill followed by nine miles of undulating muddy trails. Canicross runners are welcome and there is a 2 hour 30 minute cutoff.

Shepshed 7 on 1 November 2026 features a measured seven mile, chip timed race through Garendon Park plus a fun run with entries on the day; prizes, a commemorative t shirt for finishers, and limited onsite facilities are provided.

An out-and-back 5 mile night and dawn running event through the 422 m Oxendon Tunnel with mood lighting and headtorch required. Finishers receive medals, prizes are awarded, on-course support and refreshments are provided.

Two days of marathon and half marathon races around Caldecotte Lake in Milton Keynes on 6 and 7 November 2026, with multi-lap clockwise courses, on-course water and toilets, enforced time limits, and bespoke finisher medals.

Take on flat, scenic laps along the Thames towpath in Walton on Thames with flexible starts and distances from 5 km to ultra. Limited places, aid stations, digital results and medals make this a friendly, festival style challenge.

A night trail run at Stonor Park in the Chiltern Hills with three waymarked routes of 7 km, 13 km and 17 km, timed and fully marked, with outposts on the middle and long routes and a cup-free refill policy.

Nuclear Fallout is a muddy, multi-terrain obstacle race in Brentwood, Essex offering *6 km*, *12 km* and a multi-lap *24 km+* option with dozens of natural and man-made challenges.

Experience a scenic trail run through the Bedfordshire countryside starting from Leighton Buzzard. Choose between a classic half marathon or a metric distance featuring canal towpaths, woods, and rolling hills.

A cross country run and walk across the Leicestershire Wolds, the twenty second Seagrave Wolds Challenge covers about 16 miles of hilly, multi terrain paths and private land, with food stops en route and charitable proceeds.

Trail running at Stonor Park and through the Chilterns with three marked routes from 7 to 22 km. The event includes outposts, free parking, timed results and the chance to see fallow deer and red kites.

A torchlit trail run from Winchester Athletics Track with 12 km and 22 km options across the South Downs Way and local trails. The course is fully marked; headtorches and at least 500 ml of fluid are required.

A supported endurance event on 7 November 2026 with a 76 km ultramarathon or 36 km run or walk from Aldershot or Petersfield to Portsmouth, featuring break stops, satellite tracking, medical cover and charity fundraising options.

A flat route along the Fens Way from Cambridge toward Ely and Kings Lynn offering marathon, 50 mile and 100 mile distances plus relay options, GPS tracking, generous cut offs and on-course support.

A trail event in Windsor on 8 November 2026 offering a 10K and a half marathon on flat off road trails from Alexandra Gardens. The event features chip timing, race photos, post race goodies and an event village.