Trail Running Calendar United Kingdom 2025-2026

The Valhalla Winter Run 2025 is a unique 6-hour lapped running event set in the scenic grounds of York University. Participants can choose their challenge, running anywhere from a single lap to multiple laps, with options for half marathon and marathon distances. The course features a 2.2-mile out-a..

The Fairytale of Newquay is a festive coastal running event featuring a 'Long' half marathon (15 miles) and an ultramarathon (30 miles) along the scenic North Coast of Cornwall. Participants will start at Porth Beach and Harlyn Bay, with a focus on self-navigation and festive themes, including optio..

The Punk Panther Christmas Cracker is an exciting running event set for December 13, 2025, featuring a unique mystery route that changes each year. Participants can choose from three distances: 12 miles, 19 miles, or 32 miles, with starting positions determined by their average pace in previous Punk..

The Moors The Merrier is a festive running and walking event held in Hebden Bridge, featuring a scenic 21-mile circular route. Participants traverse various moors, including Midgley and Wadsworth, starting and finishing at Hebden Bridge Golf Club. Essential gear includes a Santa hat and a small gift..

The Winter Celtic Trail Races, taking place in December 2025, offer a thrilling trail running experience across three distances: a 50k ultra, a full marathon, and a half marathon. Set in the stunning landscapes of Afan Forest and the Rhigos mountain range, participants will navigate ancient Celtic t..

The Sherwood Pines Festive Trail Runs, hosted in the scenic Sherwood Pines near Mansfield, offer a variety of running events suitable for all ages and abilities. Participants can choose from a 10km trail run, a family-friendly 1-mile event, and duathlons. The picturesque setting, rich in Robin Hood ..

The Mince Pi Run - Races of 2 Decimal Places is a unique running event scheduled for December 14, 2025, at Shalford Park, Guildford. Participants can choose to run distances ranging from 3.14 to 31.4 miles, with options for a Pi marathon and a 1-mile fun run for younger children. The course is mostl..

'Twas The Run Before Christmas is a festive running event taking place at Brandon Country Park in Suffolk. Participants can choose between a 6-hour or 4-hour timed race, completing laps on a scenic 5.3k multi-terrain course through Thetford Forest. This event is suitable for runners of all levels, w..

The Moel Famau Festive 'Piece of String' Race is a unique running event held on the last Saturday before Christmas, offering participants a chance to enjoy a scenic run on one of the region's most popular hills. The race features a Canicross segment and has an unpredictable distance, ranging between..

The Christmas Canter is a festive running event held at the Suffolk Running Centre in Bury St Edmunds. Participants can choose from various distances, including 5k, 10k, half marathon, full marathon, and ultra, allowing for a personalized racing experience. The course features scenic routes through ..

The Nightmare Before Xmas Trail ½ Marathon is an exciting and challenging running event set to take place at the Bridgend Miniature Railway Centre. Participants will tackle a mixed terrain course that includes an 8-mile section known as The Hateful Eight, followed by an additional grueling 5 miles f..

The Chopwell Woods Christmas Trail Races is a festive running event held in the scenic Chopwell Woods, a 360-hectare mixed woodland near Gateshead. Participants can choose from three distances: a family-friendly 1-mile Santa run for ages 3-11, a 4-mile trail for ages 11 and up, and an 8-mile race fo..

The Festive Friston Forest Night Trail Run is a unique 5-mile running event set in the scenic Friston Forest, taking place on December 22, 2025. Participants will navigate the course using Strava GPX on their devices, with a tail runner to ensure safety. The event encourages festive spirit, featurin..

The Winter Woolly 10km is a popular trail running event held on December 24th at the picturesque Elstree School in Upper Woolhampton, Berkshire. This multi-terrain course offers participants a scenic experience through the beautiful countryside, featuring lanes, footpaths, trails, and woodlands, wit..

The Die Hard Christmas Marathon and Half Marathon is a festive running event taking place on December 24, 2025, at Caldecotte Lake in Milton Keynes. Participants can choose between a full marathon, consisting of 7.5 scenic laps, or a half marathon with 3.5 laps. The event features a supportive atmos..

The Wansfell Fell Race, organized by Ambleside AC, is a challenging running event set in the scenic Lake District. The race features a 3.14 km (2.1 miles) out-and-back route with a significant climb of 405 meters (1329 feet). Starting from Stock Ghyll Lane, participants face a steep ascent followed ..

The Plain Crazy Winter 12.5 Mile run is a challenging event set in scenic and potentially snowy conditions, taking place on December 28, 2025. Participants can expect a hilly course that tests their endurance, with a 3.5-hour cut-off time. The event supports The Royal British Legion Poppy Appeal and..

The Wormstones Fell Race will take place in Glossop on Wednesday 31 December 2025.

The Punk Panther Green Gateways will take place in Otley on Thursday 1 January 2026. You can run between 13 and 34 miles.

The Knacker Cracker will take place in Dorking on Thursday 1 January 2026.