Trail Running calendar near Dunstable 2026-2027

A long distance trail challenge from Richmond upon Thames to the Brighton coast with routes from 100 km to shorter distances. The event features marked trails, GPS tracking, staffed rest stops with food and medical support and camping optio..

Running festival at Grimsthorpe Castle Estate on 23 and 24 May 2026 offering 10, 40, 70 and 100 mile solo races and a 100 mile team relay. The marked 10 mile loop passes woodland, limestone tracks and the estate lake and includes free weeke..

A point to point trail run in Surrey on 23 May 2026 offering 62K, 41K, 20K and relay options. The event finishes in Godalming with a race village, timed results, medals and free race photos.

A non-stop **145 mile** towpath race from Birmingham to Little Venice, London, run under UK Athletics rules. Entry is for runners aged 20 plus, limited to 100 starters, with a 45 hour overall cut off and support options for unsupported runn..

Run a flexible distance along Winchester's scenic Itchen Way. Choose your laps from 2.62 miles up to an ultra within a 7-hour window, with a famous aid station and a finisher's medal for all.

An event covering 100 miles over the Spring Bank Holiday Weekend from Meopham through the North Downs, Greensand Ridge, Weald and Ashdown Forest, visiting places from the Winnie the Pooh stories. Entries are closed and minimum age is 18.

Experience the twilight beauty of Ardingly Reservoir during this sunset run in West Sussex. Choose between a 5km or 10km distance on a scenic undulating trail and enjoy a timed midsummer evening event with finishers medals.

A Backyard Ultra at the Lower Red Lion where runners complete a 4.167 mile loop every hour until one remains. Individual entries only, limited to 90, with part of the entry fee donated to local charity Youth Talk.

A 5k obstacle event at Clapham Common where participants climb, crawl and slide across grass, gravel and tarmac in staggered wave starts; facilities include toilets, refreshments and a bag drop, and the event requires a minimum fundraising..

A trail marathon in Richmond Park covering 26.2 miles over three laps with start and finish near Sheen Gate. The route is waymarked and supported by drink stations, chip timing, medical cover, marshals and a baggage area.

A trail run and walk through Ealing's parks, greenways and blueways offering 25k and 50k routes. Organised by the charity We Run Ealing, the event starts at Boston Manor Park, finishes at Dicken's Yard, and includes a medal.

A chip timed *10k* trail run on 24 May 2026 that starts and finishes at Bredon Cricket Club. The marshalled route climbs to the 299 m summit of Bredon Hill and all finishers receive a medal.

Trail and coastal running from Chelmsford to Tollesbury with half and full marathon options, regular aid stations and a bag transfer service. Toilets are available at key points and the event operates a cupless water policy.

Basingstoke Pretty Muddy 5k on 24 May 2026 is a 5k obstacle course at War Memorial Park featuring muddy climbs, crawls and slides. Waves start every 15 minutes and participants must be at least 13 years old.

A self-navigation trail race at the Green Man in Toppesfield on 24 May 2026 offering approx 10 miles and 6.2 miles. The event follows UK Athletics rules, uses a written route description and has limited parking.

An 8.5 km trail loop in Sandhurst, Kent with over 60 percent off road running, a 50 runner limit, prizes for first man and woman, and tea and cake in the Old School Hall after the event.

A 10 km trail race at Marlow Rugby Club on May 25, part of the Ales & Trails series, featuring trails, woodland and Thames towpath. Entry includes a medal, a Rebellion pint cup and a free drink at the finish.

A timed Friday event on a flat 5.3 km out-and-back course along the river Thames, with lap-based distances from 5 km to ultra and a £10 Run for a Tenner entry benefiting Rays of Sunshine.

An in-person 8 km trail loop around Calke Abbey nature park, meeting at Ticknall Village Hall Car Park. Organised by Run 4 U and Perform Running Club, with free parking and refunds available up to one day before the event.

A 50 km multi terrain ultramarathon around Maidenhead, run on a single lap route that follows the Thames Path and Jubilee River. The course is mostly off road with four aid stations, chip timing, live tracking and free race photos.