Trail Running calendar near Mortimer Common 2026-2027

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.

Trail run from Goodwood Racecourse into the South Downs National Park with three distances and canicross options. The route uses forest tracks, bridleways and single-track trails and includes chip timing and a finisher medal.

A night trail run at Stonor Park in the Chiltern Hills offering three routes of about 17 km, 12–13 km and 7 km. Courses are fully marked and timed, with outposts on the middle and long routes and a cup-free policy at feeds.

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 twilight off road 10k around Eastbury Park and Chettle with wooded sections and historic landmarks. Medals, trophies and refreshments included and entries are limited to 200.

Trail runs from Stonor Park through the Chilterns with three marked routes (7 km, 13 km, 22 km), notable wildlife, steep sections and fuel outposts; facilities include free parking, timing and a finisher medal.

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 7 mile chip timed trail race around The Blue Pool in Dorset on 7 November 2026. The route passes woodland, hills, heath and ridges and includes a capped canicross category; entry includes pool access for one adult and up to two children.

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.

A Thames-side Remembrance Run at Wraysbury Skiff and Punting Club offering distances from 3km to 50km, a seven hour time challenge, signed course, aid stations, finisher medals, distance pins and goody bags.

A 7 hour and 2 minute remembrance run along the River Thames with flexible lap distances from 3 km to ultra distances. Finishers receive a medal and goody bag and a two minute silence will be deducted from official times.

Join a community of runners at Richmond Park for a series of timed races supporting Movember. Enjoy a hilly tarmac course with distances ranging from a kids mini run to a half marathon in a supportive atmosphere.

A point-to-point trail half marathon along the Grand Union Canal from Cowley to Watford, featuring chip timing, four water stations, a wooden finisher medal and on-course marshals. A pre-race coach transfer to the start is available by pre-..

A three day, 84 mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire with two overnight stops in Watlington and Didcot. Organised by XNRG Druids, it offers full packages with accommodation and single day entry op..

Trail races of 21.6k, 16.7k and 10k run from Roundhill Campsite in the New Forest National Park. Wide hard packed trails pass through woodland and heathland where ponies and deer may be seen.

A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualific..