Trail Running calendar near Nantgarw 2025-2026

The Quantock Hills Trail Half Marathon is an exciting running event set in the picturesque Quantock Hills, featuring a challenging course that combines scenic trails, steep climbs, and stunning views. This race is designed for both experienced runners and newcomers, fostering a sense of community am..

Barrows and Downs is an exciting Marathon and Half Marathon event set in the historic Salisbury Plain in Wiltshire. Participants will run among ancient barrows dating back to 3500 BC, enjoying breathtaking views of the Wiltshire Downs. The event features well-marked routes that start and finish at T..

The Loop Ultra is an exciting 50km (32 miles) trail running event set in the stunning Cambrian Mountains of Mid Wales, organized by Limitless Trails. Scheduled for October 11, 2025, the event starts at Camp Plas, offering a marked route that showcases breathtaking landscapes, including Lake Vrynwy a..

The Giddy Horse Backyard event is a unique running experience taking place at Piercefield Park, Chepstow Racecourse, on October 25, 2025. Participants can choose from 8-hour, 12-hour, 24-hour, and relay races, all set on a scenic 4.167-mile loop featuring a mix of woodland, parkland, and tarmac trai..

The Giddy Horse Half Marathon, Trail, & Steeplechase Obstacle Course Races is an exciting running event taking place on October 26, 2025, at Chepstow Racecourse in the UK. Participants can choose from various race options, including a half marathon, 8-mile and 4-mile trail races, and steeplechase ob..

The Black Beacon Mountain Trail Races are long-distance running events set in the stunning landscapes of the Bannau Brycheiniog (Brecon Beacons) and Black Mountains. Participants can choose from four race distances: 100 miles, 50 miles, 50k, and 21 miles, all culminating in Pontneddfechen. The races..

The Haldon Halloween Twilight Run is set to take place on November 1, 2025, in Haldon Forest, Exeter. Participants can choose from three distances: a 2.5 km fun run, a 5 km, or a 10 km run, including Canicross options. The event features no cut-off time, free race photography, and all finishers will..

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset countryside. Participants will traverse from one ancient hillfort to another, facing approximately 1,300 meters of ascent along the way. The route features a mix of flat sections and challenging climbs, of..

Endurancelife Gower offers a range of trail running events, including a 10K, half marathon, marathon, and ultra marathon, all set in the stunning natural beauty of Gower, the UK's first Area of Outstanding Natural Beauty. Participants can enjoy breathtaking views of cliff tops, woodlands, sand dunes..

The Salt Settlers Six Hour Race is an exciting running event held in the picturesque Lower Otter Valley, designed for both runners and walkers. Participants aim to complete as many 4.4 km loops as possible within six hours, with options for solo or pairs relay teams. The course features a flat terra..

The Beacons Ultra is a thrilling running event featuring three race distances: a 49-mile ultra, a 26-mile marathon, and a 13-mile half marathon. Set in the picturesque town of Talybont-On-Usk, nestled in the Brecon Beacons, the event showcases a mix of trails, mountains, canals, and roads. Participa..

Dusk Till Dawn The Winter Edition is an exciting running event organized by Mad Running Junkies, set in the scenic Bridgend area of South Wales. Participants will tackle three 10-mile routes over a 12-hour period, starting at dusk and finishing at dawn. This unique challenge, a longer and more thril..

The Margam Trail Races, scheduled for November 15, 2025, invite participants to explore the scenic trails of Margam Park during the autumn season. The event features three race distances: a half marathon (21.1km), a 10km race, and a 5km fun run, each designed to challenge runners of all levels. The ..

The Bath Skyline event features a fun and challenging 10km off-road running series set against the stunning backdrop of Bath's iconic skyline. Participants can choose between day and night races, with routes that include a mix of solid stone paths, woodland trails, and open meadows, offering breatht..

The Broadway Marathon & Half will take place in Broadway on Sunday 16 November 2025. You can run 26 miles.

The Callow Fell Race, organized by Mercia Fell Runners, is a challenging winter event that covers a distance of 8.1 km with a total ascent of 762 meters. Known for its steep climbs and exhilarating descents, this race is considered one of the toughest in Shropshire. Participants are required to have..

The Medal Mix Challenge - Day 1 is an inclusive running event organized by Running Events Devon, taking place on November 29, 2025. Participants of all abilities are welcome to join, with a generous 7-hour time limit to complete as many laps as they can on a scenic 5.3k out-and-back course. The even..

The Medal Mix Challenge - Day 2 is a running event organized by Running Events Devon, taking place on November 30, 2025. Participants of all abilities are welcome to join this 7-hour timed event, which features a scenic 5.3k out-and-back course on a tarmacked, disused train line. Runners and walkers..

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 wet conditions. Participants must pre-r..

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..