Trail Running calendar near Hafren Forest 2025-2026

The Hateful 8 Loopy Ultra is an endurance running event held at Bridgend Miniature Railway in Aberkenfig, Bridgend, South Wales. Participants tackle a challenging 9-mile mixed terrain loop featuring a tough hill, scenic road sections with stunning views, and a technical downhill forestry trail. The..

The Brynkinalt Running Festival, held on the private Brynkinalt Estate in Wrexham, offers trail running and canicross events over approximately 5k and 10k distances. The festival welcomes participants of all ages and abilities, providing a challenging course featuring a mix of fast footpaths, grassy..

The Nant Yr Arian Silver Trail Races take place in the scenic Cambrian Mountains, offering a choice of challenging and varied terrain for trail runners. Participants can choose between a Half Marathon and a 10km race, both suitable for beginners and experienced runners, with no cut-off time. The eve..

The Beast of the Blacks is a challenging trail running event held in the stunning Black Mountains of Wales, starting and finishing at Llanbedr Hall near Crickhowell. Scheduled for March 14, 2026, it offers three distances: 11 miles (17 km), 20 miles (32.5 km), and 40 miles (65 km), with significant..

The Moo-rathon, Calf and Hen K is an exciting running event hosted by Zig Zag Running at Hyde Hall Farm, Buntingford. Celebrating its third year, participants can choose from various distances, including 10k, Half Marathon, Full Marathon, and Ultra Marathon. The scenic route starts at the farm's bas..

The Forest of Dean Spring Trails Half Marathon is a scenic 13.1-mile race held annually in the Forest of Dean, starting and finishing near the Speech House Hotel. The course features well-maintained woodland trails with gentle inclines, offering a multi-terrain experience through beautiful forest la..

The Moel Famau Easter 'Piece of String' Race is a fun and inclusive outdoor event held at the start of the Easter holidays. Participants can enjoy a scenic run on the region's popular hill, with routes ranging from 6 to 12 kilometers that are well-marked and marshalled. The race features hilly terra..

Ultra In The Black Country is a scenic 32-mile ultra running event held at Baggeridge Country Park near Dudley, West Midlands. The course is a mostly traffic-free urban loop featuring disused railway lines, canal towpaths, tunnels—including the 2.7km Netherton Tunnel—and woodland areas, offering a u..

The Combe Gibbet to Overton Race will take place in Overton on Sunday 29 March 2026.

The Pendine Sands Races, held on the beach at Pendine, Wales, offer a unique running experience with distances including 5k, 10k, Half Marathon, Marathon, and Ultra (32.8 miles). The course is a well-marked out-and-back route of 3.28 miles on firm sand, historically known for land speed record attem..

The Vale Coastal Races, held along the scenic Vale of Glamorgan coastline in Wales, offer three trail running distances: a 32.5-mile ultra marathon, an 18.5-mile "mini ultra," and a 10-mile race. The ultra race starts at Penarth Pier and follows the Wales Coastal Path, featuring clifftop trails, 19..

The Summit 2 Sea - Offa's Dyke Half Marathon is a challenging spring race covering approximately 13.8 miles from the summit of Moel y Parc to the coast at Prestatyn. Runners will ascend over 2,450 feet, starting at over 1,300 feet above sea level, along the scenic Offa's Dyke National Trail. The cou..

The Llangollen Fell Race, hosted by Run Free Fell Runners in North Wales, is a popular annual event featuring two scenic routes: a challenging 17-mile course with 3000ft of elevation and a shorter 10-mile route ascending 1969ft. Both start at Dinas Bran Leisure Centre and offer stunning views of Tre..

The Wild Horse South Wales 200 is an epic 200-mile ultramarathon traversing the scenic trails and mountains of South Wales. The course starts in Chepstow and finishes at Worm’s Head, following iconic routes such as Offa’s Dyke, the Beacons Way, the Heart of Wales Line, and the Wales Coast Path. This..

The MTC Gelert is a challenging 47-mile ultra marathon held in Wales, running from Barmouth to Llanidloes along the scenic National Cycle Route 8. It forms Day 3 of the six-day CYMRUN, part of the Mount to Coast End to End Challenge Series, which celebrates Welsh myths and legends. The route feature..

The Chester Ultra 100 is a challenging 102-mile ultramarathon held in Chester, UK, featuring 1590 meters of elevation gain. The well-marked course traverses scenic trails including the Sandstone Trail, Marches Way along the River Dee, Helsby Hill, Beeston Castle, Delamere Forest, and the Bridgewater..

The MTC Afanc is a challenging 39.8-mile ultra marathon held in Wales, starting at the River Wye Activity Centre in Glasbury and finishing at the Travelodge in Merthyr Tydfil. The entire route follows the scenic National Cycle Route 8, offering a mix of ascent and descent totaling over 7,500 feet. T..

The Shropshire Way 80K Festival is a challenging trail running and walking event held in the scenic Shropshire Hills, England. Taking place in early April, it attracts hundreds of participants who experience the area's rich food, history, and landscape. The festival features multiple distances: the..

Cymoedd Sir Fynwy is a challenging mountain walking event organized by South Wales LDWA, held in Abergavenny, Wales. It features three distance options: 50 miles, 30 miles, and a new 20-mile route, all exploring the rugged terrain of the Black Mountains and the World Heritage Site of the Forgotten L..

The Beast of the Beacons is a challenging trail running event held in the stunning Brecon Beacons National Park, starting and finishing at Llangynidr Village Hall. Offering distances of 10, 20, and 40 miles, the course features a mix of harsh climbs, rocky paths, forest trails, rivers, and reservoir..