Trail Running Calendar United Kingdom 2025-2026

The Brenig Way 50K Trail Race is a challenging ultramarathon that covers 50 kilometers through remote upland scenery in Wales. Starting in Corwen, participants follow a marked footpath along country lanes, forest tracks, and riverside paths, crossing notable landmarks such as Clocaenog Forest and Ll..

Viper 5 mile trail run (Autumn edition) is held near Ingatestone, Essex, at The Viper in Mill Green. The 5-mile loop traverses countryside on public rights of way and is run in the dark, using the same course as the spring edition. It’s a small-capacity event (50 places) with first-come, first-serve..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races take place at Chepstow Racecourse in the UK. The event features a variety of distances including a half marathon, 8-mile and 4-mile trail runs, as well as 4-mile and 8-mile steeplechase obstacle course races. The trail races..

Endurancelife North York Moors is a trail-running event wholly within the North York Moors National Park, based near Ravenscar. It offers four distances — 10K, Half Marathon, Marathon and Ultra — with courses using sections of the Cleveland Way. The routes are rich and varied, set on moorland and gr..

The Beachy Head Marathon is one of the largest off-road marathons in the UK, renowned for its stunning and challenging course through the South Downs National Park. Formerly known as the Seven Sisters Marathon, it attracts runners, joggers, and walkers alike. The event features multiple distances, i..

Race You To The Summit is CraggRunner’s annual fell race near Summit, Littleborough, West Yorkshire. The roughly 4-mile course climbs about 800 ft, starting at the Summit Inn and heading along tracks and paths to the White House pub near Blackstone Edge, then returning to the start. Now in its 58th..

Round 1 of the Petzl Night Runner Night Trail Race Series takes place at Delamere Forest, with the start and finish from the main visitors centre in Northwich, Cheshire. The evening atmosphere is themed around a Spooky Halloween, with fancy dress actively encouraged. The course is fully marked with..

The Worcester Ring Run 2025 is a 23-mile clockwise loop around Worcester and Droitwich, starting at Droitwich Rugby Club, a brand-new venue for 2025. The route follows the Droitwich Canal to the Worcester & Birmingham Canal toward Diglis, crosses Diglis Bridge, passes Pitchcroft, then returns along..

Running Tribe Races in Buckinghamshire, England, offers endurance events at two venues: Courses 1–3 at Chalfont Park Sports Club in Chalfont St Peter and Courses 4–6 at Chalfont St Peter Community Centre. Runners can choose, on the day, from 7k, 10k, 14k, Half Marathon, Full Marathon, or a 30- or 40..

Its Grim Up North Running presents Hubble Bubble Day 1 & Ghostly 1 Mile at Kirkstall, Leeds, along the Leeds to Liverpool Canal. The event features seven distances from 5k to a full Ultra, plus the Ghostly 1 Mile, designed for all abilities. The course is a flat, out-and-back canal route with lakesi..

Jedburgh Three Peaks ultramarathon is a 38-mile trail race in Jedburgh, Scotland (TD8 6JQ), run with the Jedburgh Running Festival. It offers an ultra and a four-leg relay (10, 7, 11, 10 miles) and is known for a welcoming, inclusive atmosphere. The course is fully route-marked with checkpoints at 1..

The Epping Forest Wildwood Trail Series offers a scenic half marathon and 10K trail run set in the heart of Epping Forest near London. Scheduled for October 25, 2025, the event showcases the vibrant autumn colors and ancient woodland. Runners navigate a varied course featuring well-maintained paths,..

Blackwater Marathon 2025, organized by the LDWA Essex & Herts Group, takes place on Saturday 25 October at Drapers Farm Sports Club, Heybridge, Essex. This 25th edition features two circular routes: 26.5 miles and 18 miles, run on cross‑country footpaths and seawall sections on the north side of the..

Meall a'Bhuachaille Hill Race is staged at Badaguish Outdoor Centre near Aviemore in Scotland. The 13 km course climbs about 720 m, starting at Badaguish and ascending Meall a’Bhuachaille to around 810 m, then traversing crests to Creagan Gorm and Craiggowrie before a fast, often boggy descent back..

The Giddy Horse Backyard 2025 is a running event held at Chepstow Racecourse, UK, featuring races around Piercefield Park. The course is a 4.167-mile loop combining woodland, parkland, and tarmac trails, mostly flat with gentle elevation changes. The event offers solo races of 8-hour (33 miles) and..

Monsal Trail October Half Marathon & 10k Weekend offers a traffic-free, multi-terrain run along the Peak District’s Monsal Trail, starting and finishing at Bakewell Station in Bakewell, Derbyshire. Participants choose from Half Marathon or 10k, with options across Saturday and Sunday, allowing one o..

Thames Trail Ultra is a 47-mile point-to-point ultramarathon along England’s longest river, from Hawkwell House Hotel in Iffley to the YMCA Y Centre in Henley-on-Thames. The route follows the Thames Path and Ridgeway National Trails, offering a mix of cross-country trails, riverside paths, and a sma..

Stort30 is a 30-mile ultramarathon organized by Challenge Running, set on the Hertfordshire–Essex border along the River Stort and the Lee Navigation. The course is flat and mostly grassy, running 15 miles out and back from Bishop’s Stortford to the Rye House area, with a turnaround at the halfway p..

Purple Gecko Events presents the Halloween Twilight Run at Scorrier House, Cornwall. A spooky headtorch trail through the private estate, with 2.5k fun run, 5k, and 10k courses around scenic woodland. Fancy dress is encouraged; zombies may be lurking.The event features personalised bibs, a water poi..

Bronte Way Fell Race is a traditional point-to-point fell race organized by Keighley and Craven Athletics Club. It begins at Wycoller Country Park and finishes outside the Fleece Inn on Haworth Main Street. The course covers about 13 km (8.1 miles) with roughly 351 m (1,152 ft) of climb, offering a..