Trail Running calendar near Builth Wells 2025-2026

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 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 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 Holly Challenge is an exciting running event that marks the beginning of the racing year, offering participants a choice of distances: 5K, 10K, Half Marathon, or Marathon. Set in the picturesque Lightmoor Nature Reserve in Telford, this event is perfect for those preparing for spring marathons...

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes that showcase the arboretum's diverse landscapes, combining the beauty of nature with a solid running su..

The Icing on the Cake is a thrilling trail running event set in the picturesque Shropshire Hills, featuring both half (13.1 miles) and full (26.2 miles) marathon options. Scheduled for February 1, 2025, participants will navigate a scenic route that showcases the rugged beauty of the area, starting..

The Westonbirt Arboretum Winter Day Race is a scenic running event set in the National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes that showcase the stunning landscape and diverse tree collections. The event promises a solid terrain, combining th..

The MTC Gelert is a challenging 47-mile ultra marathon that takes place as part of the Mount to Coast End to End Challenge Series. The race starts in Barmouth and follows the scenic National Cycle Route 8 to Llanidloes. It is also the third day of the CYMRUN, a six-day event covering the entirety of..

The MTC Afanc is a challenging ultra marathon event covering approximately 39.8 miles along the scenic National Cycle Route 8, from Glasbury to Merthyr Tydfil. Scheduled for April 2026, it is part of the Mount to Coast End to End Challenge Series and serves as Day 5 of the CYMRUN, a six-day enduranc..

The MTC Y Draig Goch is a challenging ultra-running event covering a distance of 47 miles, part of the Mount to Coast End to End Challenge Series. Set against the scenic backdrop of National Cycle Route 8, the race begins at Travelodge in Merthyr Tydfil and concludes at Marco's Cafe in Barry Island...