Trail Running calendar near Olney 2026-2027

Ultra:5K challenges runners at Box End Park in Kempston. The format requires running a 5K on the hour, either five times or three times. The fastest total time across all the runs wins.

BigHeat CampFIRE is a two day trail running festival at Mill Farm offering a 50 km ultramarathon, marathon, 16 mile, 12 km and a 2 km fun run alongside camping, yoga, live music and on course aid stations.

Race The Light is a Saturday evening trail run in Wendover Woods supporting the Chilterns Neuro Centre. Choose from a hilly 10K, a 5K, or an accessible 1.5K route. The fully-marked course is open to runners, walkers, and wheelchair users.

A 24-hour coastal trail running challenge on the Shotley peninsula. Run solo, in pairs, or in a team over a 4.3-mile loop. Camping is included for a full weekend of running.

The The Bell & Harp Chase will take place in Little Eaton on Saturday 18 July 2026. You can run 8 kilometers.

Explore the trails of the Winwick Hall Estate in this fully marked event, featuring 10k and 5k races plus a 2k kids' run. A portion of entry fees supports the Bruce Green Foundation. All finishers get a medal and free race photos.

A chip timed 10 km on 19 July 2026 in Highfield Park, St Albans, on a flat, single lap route along the Alban Way. The event village includes a free family fun run, food, music and a charity link to Alzheimer's Research UK.

Set on the scenic, private Revesby Estate, this festival offers trail runs from a 5K to a half marathon. For a unique test, try the multi stage Challenge the Estate. There's also a team option for groups.

Set your own distance goal in this 6-hour trail running challenge. Runners complete as many 5K loops as they can on a scenic, 95% off-road course. Every finisher receives a medal.

Day One of the 10 day Great Barrow Challenge at Suffolk Running Centre uses the Denham Flats route and offers distances from 5k to ultra. Parking and a base camp with an aid station are provided and a bespoke medal is awarded each day.

Enjoy a 10k trail run through Chelmsford featuring a unique brewery checkpoint. This non competitive event includes mid race and finishers drinks along with a commemorative medal for all participants.

Take on a scenic 7 hour timed challenge along the River Thames at Wraysbury, choosing how many laps to run from a 3 km minimum up to 50 km or ultra distances. Finishers from 3 km earn a medal and everyone gets goody bags with vegan options.

A six hour timed challenge in Skellingthorpe featuring a flat course along an old railway line. Run any distance from 5km to an ultra marathon and choose your own medal from a unique previous collection.

Join the Maidenhead Trail Run for a flat, scenic race through Summerleaze Park. Choose from 5K, 10K, or Half Marathon distances on peaceful trails. Your entry includes a medal, chip timing, and free photos.

A one-lap, chip-timed *10 km* trail through Garendon Park with water stations, finishers' T-shirt and photo service. Limited to 400 entries, open to ages 15 and up with transfers allowed until 19 July 2026.

Bright Skies Surrey Hills on 26 July 2026 at Denbies Wine Estate in Dorking offers trail races from 10K to marathon, plus Canix and kids races. The marathon is self navigated with mandatory checkpoints.

The North Downs 50 offers a scenic trail challenge through the Surrey hills on 1 August 2026. Choose from 50 km, 25 km, or 10 km loops starting from Guildford, with full support and hospitality. Options for competitive runners and dedicated..

Join the Derby Running Festival at Elvaston Castle Country Park. Run a flat, multi-terrain route through historic parkland on a 5K, 10K, or half marathon course. Every finisher receives a themed medal, photos, and refreshments in the event..

This event follows the scenic and undulating Vanguard Way trail, offering marathon and half marathon distances. The route explores parkland, woodland, and historic sites starting near Croydon. Participants receive a medal, t-shirt, and good..

Explore Birmingham’s historic canals and river valleys on a flat circular route. Participants can choose between three off road distances featuring city landmarks and nature with no stiles and full checkpoint support.