Trail Running calendar near Cardiff 2025-2026

The Sid Valley Ring Half Marathon is set to return for its fifth year in 2025, following the scenic Sid Valley Ring walking route. This event features an uphill start, taking participants through tranquil country lanes and picturesque villages, including Sidbury and Salcombe Regis. Runners will expe..

The Malvern Hills 18 Miler is a guided trail running event organized by Running Adventures, set in the scenic Malvern Hills. Participants will embark on an 18-mile journey that includes a challenging elevation gain of over 1300 meters, while enjoying breathtaking views along the Malvern ridge. The e..

The Portland Pig Backyard Ultra is an ultramarathon event that challenges participants to run 6,706 meters (4.167 miles) every hour until only one runner remains. Set in a scenic course featuring diverse terrains, including grass, gravel, and tarmac, the event offers a unique experience with views o..

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 Maverick Exmoor Goat 2025 is an exhilarating trail running event set in the stunning Exmoor National Park, known for its dramatic landscapes and coastal paths. Participants can choose from four challenging routes: Ultra (56 km), Long (42 km), Middle (21 km), and Short (15 km), each offering brea..

The East Devon Round is a trail running festival taking place over the first bank holiday weekend in May. The event features five different races, including a challenging 64-mile ultra marathon that traverses stunning landscapes, including three National Parks and a World Heritage Site. Participants..

The Malvern Hills Ultra is an exciting ultra-running event scheduled for May 3, 2025, starting and finishing at Abberley Village Hall. Participants can choose from four race distances: 23, 31, 38, and 47 miles, with the longest route featuring a challenging ascent of over 2,900 meters. The course pr..

The Bluebell Bash is a scenic trail running event set in the picturesque bluebell forests of Manswood, Wimborne. Participants can choose from three distances: a half marathon (13.1 miles), a 10K, and a 5K, all of which are suitable for canicross. The event features well-stocked aid stations, a finis..

A Guided Run: Hard Targeting to Tavy Cleave is an upcoming event that invites participants to explore the scenic west side of Dartmoor. The approximately 10-mile route begins at a free car park near the Dartmoor Inn in Lydford and features a mix of faint tracks and open moorland, making it more of a..

The Marlborough Downs Challenge is an exciting trail running event featuring two distances: a 33-mile race and a 20-mile race, both set in the stunning Wiltshire countryside. Participants will navigate scenic routes that include the Wansdyke Path, Tan Hill Way, and the White Horse Trail, with signif..

The "May The Fourth Be With You" event offers participants the choice of running a half marathon or a full marathon in the scenic Shropshire Hills, starting from Carding Mill Valley near Church Stretton. Following a successful 2024 race, entries for the 2025 event are now open, with a limit of 200 p..

The RNLI Yellow Welly Cobble Wobble is a challenging 12-mile off-road run set in the scenic Clovelly Estate, taking place on May 4, 2025. Participants will navigate through diverse terrains, including woodland trails and steep climbs, while enjoying breathtaking views of the North Devon coastline an..

The Sirhowy Challenge is a 10-mile multi-terrain race set in the scenic Sirhowy Valley, featuring a challenging ascent of 1500ft to Machen Trig Point. Scheduled for May 4, 2025, the event welcomes participants aged 17 and over, with entry fees of £12 for UK Athletics registered runners and £14 for n..

The Harewood Forest Trail Race is an annual running event held in the scenic Harewood Forest, located in the Test Valley, Hampshire. Participants can choose between 5k and 10k trail races, which feature undulating routes through beautiful landscapes, including fields and bluebell woods. The event pr..

The Westcountry Ultra Hilly 50 is a challenging 50-mile ultramarathon set in the stunning landscapes of Somerset, England. Known for its breathtaking scenery, the course features significant elevation changes, including lush woodlands, rugged coastlines, and picturesque villages. Runners will naviga..

The Collingbourne Races feature a half marathon and a 10km run, both set in the picturesque Collingbourne woods in Ludgershall. This off-road event offers a mix of bridle tracks, woodland paths, and single-track running, making it suitable for runners of all levels. Participants can expect ample par..

The Eastnor Castle Backyard event, scheduled for May 10, 2025, features both solo and relay running options. Participants can choose between an 8-hour race covering 33.3 miles or a 12-hour race covering 50 miles, both set on a 4.167-mile course. Solo runners will start new laps on the hour, while re..

The Semington Slog 10K is a community-focused running event taking place on May 10, 2025, starting and finishing at St Georges School in Semington. Participants can choose between a 10K route that winds through the village and along the scenic Kennet and Avon Canal towpath, or a shorter 2K loop arou..

The Preseli Beast will take place in Maenclochog on Saturday 10 May 2025. You can run between 11 and 32 miles.

The Westcountry Ultra 100 Miler is a challenging ultramarathon that combines the routes of the Flat 50 and Hilly 50, offering a unique running experience through the scenic landscapes of Somerset. Participants have a generous 32-hour cut-off to complete the race, which features a mix of flat and hil..