Trail Running calendar near Llanfairpwllgwyngyll 2025-2026

The Chester Ultra 50 is a challenging 50-mile ultra-marathon held in Chester, UK, featuring 849 meters of elevation gain. Celebrating its 10th anniversary in 2026, the race is organized by GB Ultras and follows scenic trails including the North Cheshire Way and the Sandstone Trail, passing through H..

The Loggerheads Trail 5k & 10k is a popular trail running event set to take place in March 2026 at Loggerheads Country Park. Participants can choose from three race options: a 5k Trail, a 5k Canicross Trail, and a challenging new 10km route. The courses feature a variety of terrains, including river..

The Nant Yr Arian Silver Trail Races, set in the stunning Cambrian Mountains, offer participants a choice of challenging routes, including a Half Marathon and a 10km race, suitable for both beginners and experienced runners. The event also features children's races for various age groups. With fully..

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 Beast of the Blacks is a challenging trail running event held in the stunning Black Mountains of Wales, with distances of 10, 20, and 40 miles available. Starting and finishing at Llanbedr Hall near Crickhowell, the course features marked routes with significant elevation gains—up to 9,106 feet..

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..

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 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 ultramarathon covering 102 miles with 1,590 meters of elevation, taking place in Chester, UK. The route includes scenic trails along the Sandstone Trail, Marches Way, Helsby Hill, Frodsham, Beeston Castle, Delamere Forest, and the Bridgewater Canal. The event f..

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..

The MTC Blue Caps is a challenging 36-mile ultra marathon held in England, running from Wigan to Tarporley. It forms Day 4 of the 13-day Mount to Coast Albion End to End Challenge, covering a scenic route shared with the MTC JOGLE event but with shorter daily distances. The course features varied te..