Cadair X

Tywyn, United Kingdom • 10 May 2025

Cadair X is a challenging half marathon event that takes participants through the breathtaking landscapes of Cadair Idris in Wales. The route spans 13.1 miles, featuring a height gain of 1165 meters and a mix of terrains, including 65% trail, 25% mountain path, and 10% tarmac. Runners will experience ancient woodlands, glacial lakes, and historic trails, culminating at the summit of Cadair Idris. The event emphasizes sustainability, with no disposable cups used. It is part of the UTMB Index Race series, offering participants a unique and rewarding mountain running experience. Visit the organization's website for the most recent information.

Race information

13 mi
1165 m+
13.1 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

The Trawsfynydd Lake Race is an 8.6-mile multi-terrain running event set in the scenic Eryri/Snowdonia National Park. The course features a mix of tarmac and fast trails, with one challenging hill, making it suitable for athletes aged 17 and over. The race is organized by the South Snowdonia Search..

The Paddy Buckley Recce - Hebogs is a running event that offers participants a chance to explore a segment of the Paddy Buckley route, specifically from Nantmoor to Beddgelert Forest. This 15km course features a significant elevation gain of 1,580m, making it an essential experience for aspiring Pad..

The HOWUM 2025 is a 30-mile ultra marathon set in the stunning landscapes of mid Wales, starting from Llanidloes and featuring a route that includes the Sarn, Glyndwr’s Way, Severn Way, and Wye Valley Walk. Participants will experience the breathtaking Clywedog Reservoir and the source of the River..

The Severn Challenge is a demanding 218-mile ultra marathon held over five days, featuring five distinct stages along the River Severn's scenic path. Participants tackle a variety of terrains, with a finisher rate of approximately 26%, highlighting its challenging nature. Each day offers a unique ra..

The MTC Hafren Ultra is an ultra marathon event that forms part of the MTC Severn Challenge. Participants embark on a challenging 27-mile point-to-point course, starting with a nearly four-mile trek up Plynlimon, known for its treacherous terrain. The race features two checkpoints, providing food an..

The Black Mountains 50 is a challenging running event featuring distances of 50 miles, 32 miles, a marathon, and a half marathon. Set against the stunning backdrop of the Black Mountains, participants will navigate scenic routes that require self-navigation, supported by GPS tracking and maps. The e..