Trail Running Calendar United Kingdom 2025-2026

The Bradenham Blast is a highly regarded trail running event featuring 5km, 10km, and a new half marathon option, set in the picturesque Chiltern countryside. Known for its challenging hills and scenic views, the race takes participants through tranquil beech woodlands and rugged trails. The event i..

Muntjac 15 is a scenic trail race that connects five beautiful woodlands, perfect for enthusiasts of hills, woods, and single-track racing. The event is designed for those who appreciate the natural landscape while challenging themselves physically. Registration for the event has closed, and it is s..

The Clowbridge 5k is a trail running event set around a scenic route off the Pennine Bridleway. Scheduled as part of a three-race series in September 2025, it welcomes participants aged 11 and older. The course features a fast and flat layout with a modest elevation gain of 25 meters over the 5 kilo..

The Snowdonia Mountain Skills Weekend, organized by Running Adventures, is a challenging trail running event held in the Nantlle Valley from September 12-14, 2025. Designed for experienced runners, participants will learn mountain navigation, scrambling, and safety skills through guided runs on rugg..

The Suffolk Coastal Path 50K is an ultra marathon race along the scenic Suffolk coast, running from Lowestoft to Aldeburgh. The 50 km course features a mix of paved paths, country lanes, and trails, with a gentle elevation gain of over 120 meters. Fully marked and supported by aid stations, the race..

The DalesRunner 40 is a challenging 42km trail race held in Semerwater and Wensleydale, North Yorkshire. Taking place in September, it is the final and longest event in the DalesRunner series. The course features over 3,000 feet of ascent, including a steady 12km climb, and runs mostly on hard-packe..

Ultra X England is a multi-day ultramarathon event held in the scenic Peak District, based in Edale. Participants can choose from various race distances, including 110km over two days, or 60km, 50km, and 25km in a single day. The event features challenging terrain, stunning landscapes, and a support..

The Thames Path Ultra Challenge is a major endurance event along England’s iconic river, offering distances of 25 km, 50 km, 75 km, and a full 100 km route from Putney Bridge to Henley-on-Thames. Participants can walk, jog, or run at their own pace, with options for solo or team participation. The e..

Bruce's Crown Race is a challenging 46-mile team event held in Caldons, near Glentrool in Galloway, Scotland. Teams of 2 to 4 participants traverse three hill ranges—the Minnigaff Hills, Rhinns of Kells, and the Awful Hand—climbing over 4000 meters. The course offers stunning 360-degree views, inclu..

The Tour des Marches Challenge Walk is a popular outdoor event held at Wistanstow Village Hall in Shropshire, England, on September 13, 2025. Participants can choose from three distances: 12, 18, or 26 miles, with routes passing through the scenic Shropshire Hills Area of Outstanding Natural Beauty...

The Great Westmorland Trail Race is a scenic running event held in the picturesque village of Crosby Garrett, near Kirkby Stephen, Cumbria. Participants can enjoy a marked 13km route that traverses rolling fell land, offering stunning views of the Eden and Lune Valleys. The event includes junior rac..

The Sutton Bank Sizzler is a night-time trail race organized as part of the Hardmoors Race Series. Scheduled for September 13, 2025, the event features a circular route of approximately 7 miles, with a three-hour time limit. Participants will run in the dark, with the course marked by glow sticks an..

The Leeds Country Way In A Day is an exciting ultra challenge featuring a 105-kilometre route that circumnavigates the city of Leeds. Participants will embark on this adventure with a midnight start and a midnight cut-off, navigating through local footpaths, parks, and nature reserves. The course of..

The c2c Essex Ultra is a charity ultramarathon organized by c2c, offering participants the chance to run or walk either 30 or 50 miles along the scenic Essex Riviera. The event aims to raise funds for the children's cancer charity Gold Geese, supporting families affected by childhood cancer. The rou..

The Sourton Tors Fell Race is a traditional fell running event scheduled for September 13, 2025, starting from Sourton Village Hall. The race covers approximately 5 kilometers with an ascent of 276 meters to Sourton Tors, featuring a loop back to the starting point. Participants will navigate off-ro..

The River Ayr Way Ultra Marathon is a challenging 40-mile race set against the stunning backdrop of Ayrshire, Scotland. Participants will traverse a mix of off-road rural paths and quiet roads, with checkpoints every 10 miles offering refreshments and support. The event includes a relay option, allo..

The Isle of Wight Fell Race Series 2025 is a challenging fell running championship held over two days in September on the Isle of Wight, based at St Catherine’s School in Ventnor. The series features three races: the St Boniface Fell (3.8km with 235m ascent), the Ventnor Horseshoe (12km with 443m as..

The Dartmoor Volcano Race is a challenging 10.5-mile trail running event held in Dartmoor National Park, starting and finishing in the village of Scorriton. The course features over 550 meters of ascent, including a long uphill start and downhill finish, and traverses rugged moorland terrain with ro..

The Heart of Granite is a challenging 20-mile (32km) circular race held in the Galloway Mountains, starting and finishing at Caldons Old Campsite in Glen Trool, Newton Stewart. Featuring 1850m of ascent, the course traverses notable landmarks such as Curleywee, Rig of Jarkness, the Murder Hole, and..

The Rasselbock Backyard Ultra at Hardwick Hall in Derbyshire is a unique endurance running event held on the scenic grounds and farmlands of the historic Hardwick Hall Estate. Participants run a 4.16-mile loop every hour, starting a new lap on the hour until only one runner remains. The course featu..