Trail Running calendar near Cardiff 2025-2026

The Margam Trail Races, organized by Trail Revolution, will take place in Margam Park on November 15, 2025. This event features a variety of race distances, including 5km, 10km, and a half marathon, designed to challenge participants on the park's scenic forest paths and woodland trails. The course..

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging event that has transitioned from a summer to a winter series race. Covering a distance of 8.1 km with a total ascent of 762 meters, it is recognized as one of the toughest races in Shropshire. The course features steep climbs a..

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers...

The Broadway Marathon is a challenging running event set in the picturesque northern Cotswolds, known for its hilly and muddy terrain. Licensed by the TRA and adhering to UK Athletics rules, the marathon is open to participants aged 18 and older. The event promises stunning scenery, making it a uniq..

Dark Valley, Night Trails is an exhilarating night-time running event hosted by BigFeat Events at Moors Valley Country Park. Participants can choose from 10km, 20km, or 30km looped trails, all set amidst the enchanting woods of Dorset. Runners will navigate the course using headtorches, guided by fl..

The New Forest Stinger is an annual trail running event organized by the Totton Running Club, featuring a scenic 10-mile route through the beautiful New Forest. The race is designed to comply with Forestry regulations, ensuring that participants run on approved trails. Each entry includes an exclusi..

DirtRun In The Dark is an exciting 10km off-road running event set in the scenic Wyre Forest at the Callow Hill Visitor Centre. Participants will navigate a two-lap course through tracks and trails under the cover of darkness, making headlamps or torches a mandatory requirement. Open to runners aged..

The East Devon 8 Trigs will take place in Budleigh Salterton on Saturday 6 December 2025. You can run between 21 and 53 kilometers.

The Secret Santa Tinsel Half Marathon, along with the Tinsel Twelve 12k and Turkey Ten miles, is an exciting running event set in the scenic Brecon Beacons National Park. Participants will enjoy beautiful trails starting from the historic Tretower Court & Castle, with routes offering stunning views..

The East Devon 8 & 5 Trigs event offers challenging trail running options, including a half marathon, marathon, and ultramarathon, all centered around navigating eight trig points in East Devon. Participants self-navigate along scenic routes that incorporate varied terrain, with distances ranging fr..

The Cardington Cracker is a popular fell running event organized by Telford Athletic Club, taking place in Cardington, Shropshire. The race covers a distance of 14.5 km with a total ascent of 793 meters, making it a challenging course, especially in December's conditions. Participants must pre-regis..

The New Forest Xmas Trails is a festive trail running event hosted by BigFeat Events, set in the picturesque New Forest National Park. Participants can choose from four distances: 15K, 30K, Marathon, and 50K, all on challenging yet runnable off-road courses. The event begins at Holmesly Campsite, of..

The Celtic Trail Races, taking place on December 13, 2025, offer a thrilling year-end trail running experience in South Wales. Participants can choose from three race distances: a 50k ultra, a full marathon, and a half marathon, all set against the stunning backdrop of the Afan Forest and Rhigos mou..

The Nightmare Before Xmas Trail ½ Marathon is a 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 5 miles filled with obstacles li..

The "Slow and Dirty" is a unique 19k trail race that takes place along a historic railway line in Dorset and Somerset. Originally known for its slow trains making frequent stops, the route has been transformed into a scenic path for runners, cyclists, and walkers. This family-friendly event encourag..

The Hereford Couriers Christmas 10K Road Race is an annual event that invites runners of all abilities to participate in a festive road race through the scenic country lanes of Breinton, Herefordshire. Scheduled for December 28, 2025, this popular race features a mildly undulating course, fully mark..

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 Walter Raleigh Round Half Marathon is a scenic running event that takes place in Budleigh Salterton, celebrating the birthplace of Sir Walter Raleigh. Participants can choose between a half marathon (13.6 miles) and a third marathon (8.5 miles), with the latter avoiding the steepest hill and coa..

Haldon Night is an exciting running event featuring 10K and 5K courses set in the scenic Haldon Forest Park. Participants can enjoy well-marked routes with professional RFID chip timing and support from trained marshals. The event also includes two children's races: a 1K for ages 3-8 and a 2K for ag..

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it an ideal choice for both experienced runners and newcomers...