Trail Running Calendar United Kingdom 2026-2027

Race two of the 2026 Trifarm trail series, this 10K summer run is over 95% off-road on public paths. Starting near a humpback bridge at Trifarm in Boreham, the anticlockwise course finishes with a lap around the lake.

Experience a scenic trail run through the Cowdray Estate and South Downs National Park featuring distance options for all ages including dog friendly categories and a stacking finisher medal.

Complete three races over three days to achieve a full marathon distance at the Colworth Estate. This multi terrain event in North Bedfordshire offers distances of 5 miles, 8.1 miles, and a half marathon.

A three day outdoor festival at Drumlanrig Castle in Dumfries and Galloway from 26 to 28 June 2026 featuring enduro, gravel and trail events alongside wellness sessions and live entertainment. Results will be posted on race day.

A traffic-free, flat evening 10 km along the River Exe organised by Exeter City Community Trust. The event provides water and medical support, medals for finishers and options to run with a charity place or book independently.

A marked forest trail race at Donard Forest Park offering a 6 km course with 400 m of climb, part of the Hills and Dales series. Entrants must be registered with the organiser and meet the minimum age and kit requirements.

Reservoir View Fell Race is a BM category fell race at Accrington Cricket Club on 26 June 2026. The route is roughly 10.5 km 6.5 miles with 480 m climb and registration and parking are at the cricket club.

A backyard ultra at Longbridge Farm Barns near Alfriston where runners complete at least 4.167 mile laps every hour until one runner remains. The event uses a token system, timed laps, a small aid station, onsite support and sustainability..

A hill race organised by Dundee Hawkhill Harriers in the Sidlaw hills, starting at Kirkton of Auchterhouse. The course is 10.4 km with 360 m ascent, open to those aged over 17, with individual and team prizes and post-race refreshments.

An evening trail running festival at Calderglen Country Park on 26 June 2026, with races from a toddler dash to a 10k, chip timing, marshalled courses and an after-race buffet. A donation is made from each 5k and 10k entry.

A 24 hour obstacle course at Belvoir Castle on June 27 and 28, 2026. Competitors run repeated 5 mile loops with ice and greased quarterpipe obstacles; entries include individual, four person team relay, pit crew spectator and a post event b..

A multi-distance trail event at Hyde Hall Farm on 27 June 2026 offering distances from 5k to ultra, on-site parking, an aid station at the lap point, baggage storage and a bespoke finishers' medal.

A 26.2 Miles self navigation coastal event from Rock to Boscastle, featuring three manned checkpoints, live GPS tracking, medals for finishers and awards for top placings. It forms stage 3 of The Saints and Smugglers 100 Mile Challenge.

Traverse the scenic Wolds Way on this 47 mile ultramarathon from Beverley to Malton. Choose between solo or relay categories and enjoy a fully supported route through historic medieval villages and chalk landscapes.

Tackle 100 scenic miles as a team in this unique relay adventure on the Moray Way. With 12 legs to split between up to four runners, it's a shared challenge through coastal trails, forests, and hills. Teams plan their own strategy and enjoy..

A summer trail running event at Chopwell Woods on 27 June 2026 offering 5, 10 and 15 mile routes, live chip timing, and a finishers' medal with food and drink. The course lies in 360 hectares of mixed woodland near Rowlands Gill.

Experience an exciting inflatable obstacle course in Cardiff with 5k and 10k options. Join as an individual or part of a group for a unique running event supporting Hospice of the Valleys.

A six mile fell race in Whaley Bridge held with the town carnival, featuring about 274 m of climb and a published route. The club offers a small travel incentive and donates event profits to local charities.

Trail half marathon and 10k at Carsington Water on 27 June 2026, run on marked reservoir loops with chip timing, marshals, an event village, post-race goodies and a bespoke medal.

Hourglass is a unique last-person-standing race where runners complete consecutive 2-mile laps with ever-shrinking time limits. Strategy and pacing are key as the clock counts down on a mixed-terrain course. Prizes are awarded to the final..