Trail Running calendar near Merthyr Tydfil 2024-2025

We have found 193 Trailruns within 80 miles of Merthyr Tydfil. See below where and when you can find the races.

The Ludlow10 will take place in Ludlow on Saturday 12 July 2025. You can run between 5 and 13 miles.

The Dragon Coastal Ultramarathon is a thrilling series of ultra-trail races taking place along the scenic Wales Coast Path on July 19-20, 2025. Participants can choose from three distances: 100 miles from Rhossili Bay to Cardiff Bay, 50 miles from Kenfig Nature Reserve to Cardiff Bay, or a new 30-mi..

UTMB Index

The Gower Peninsula Ultra Challenge is an exciting multi-distance running event set in the picturesque Gower Peninsula, the UK's first Area of Outstanding Natural Beauty. Participants can choose from various distances, including 100km, 75km, 50km, marathon, 25km, and 10km. The challenge features wel..

The Wye Valley Tunnel Run is a scenic running event taking place on July 20, 2025, featuring a 10km, half marathon, and marathon distance. The race starts at Wyedean School and follows the picturesque Wye Valley Greenway, incorporating the historic Tidenham Tunnel. Participants can enjoy a flat, wel..

The Beacons Way Ultra 100 Miles is a challenging ultramarathon set in the stunning Brecon Beacons National Park, covering a distance of 100 miles with an elevation gain of 6143 meters. The race begins at Abergavenny Castle and follows the Beacons Way National Trail, featuring ten checkpoints for sup..

UTMB Index

Ultra X Wales is a multi-stage ultra-marathon event set in the stunning landscapes of southern Snowdonia, Wales. Participants can choose from various race distances, including 110km, 60km, 50km, and 25km, with options for both single and multi-day formats. The course features looped trails that show..

UTMB Index

The Beacons Way Ultra is a challenging 105 km ultramarathon set in the stunning Brecon Beacons National Park, featuring a total elevation gain of 3,178 meters. Scheduled for July 26, 2025, the event allows 500 participants to navigate the official Beacons Way trail, starting from Talybont and passin..

The Pen Y Fan Challenge is a trail running event featuring two distances: 5 miles and 13 miles, both of which include a route to the summit of Pen Y Fan, the highest peak in South Wales. Scheduled for July 27, 2025, participants will receive a free buff, medal, and chip timing, along with water and ..

The Railway Ultra is a multi-distance running event held along the scenic banks of the River Severn, featuring options of 9 miles, Half Marathon (13.1 miles), 19 miles (3/4 Marathon), 28 miles, and 37 miles. The race takes place on a disused railway line between Ironbridge and Bridgnorth, offering s..

August 2025

The EDDUM is an exciting 50-mile trail running event set to take place around the scenic Epynt Way, showcasing the stunning landscapes of Wales. Participants will traverse a mostly untouched permissive path that loops around the Sennybridge Training Area, the UK's third-largest military training gro..

The South West Coast 50 Ultra Challenge is an exciting endurance event taking place in Somerset on August 2, 2025. Participants can choose from a 50 km loop, a 25 km option, or a family-friendly 10 km route, all starting and finishing at the Dunster basecamp. The course features stunning views along..

The Dragon Slayer Ultra will take place in Itton on Sunday 3 August 2025.

The MTC Thames Challenge is a four-day ultra marathon covering a total distance of 184 miles along England's longest river path, the Thames. Participants will tackle unique stages each day, including the Cotswold Ultra, Oxford Ultra, Windsor Ultra, and Richmond Ultra. All finishers receive bespoke m..

The MTC Cotswold Ultra is a challenging 57-mile ultra marathon that takes participants along the scenic Thames Path, starting from Kemble Station and concluding at Travelodge Oxford Abingdon Road. The route features picturesque landscapes, including meadows, bridges, and locks, with four checkpoints..

The Brecon Beacons Trails event, organized by RunThrough UK, will take place on August 9, 2025, in Talybont-on-Usk. Participants can choose from three challenging trail distances: 10K, 24K, and 51K ultra. Each route features rugged trails, scenic climbs, and stunning views of the Brecon Beacons.The ..

ITRA Points

The Ramsbury Gold 10km is a scenic trail running event set in the picturesque Ramsbury Estate, hosted by the Ramsbury Brewery. This event features a 10km route that is accessible to runners of all abilities, including Canicross participants. Runners will enjoy a mix of local trails, woodlands, and f..

The Crook Peak Cake Race will take place in Cross on Wednesday 13 August 2025.

The Beast of Llangattock is a challenging trail running event featuring distances of 10k, 10 miles, 20 miles, and 32 miles. Set in the stunning landscapes of Llangattock, participants will navigate through fields, ancient pathways, and the breathtaking Llangattock Escarpment. The event promises a sp..

One Fyne Night is a popular running event set in the scenic Fyne Court Estate within the Quantock Hills AONB. Featuring 5km and 10km route options, participants can enjoy a beautiful course that winds through parkland and woods, culminating in a finish at the main courtyard. The event emphasizes sus..

The Two Tunnels event, taking place in August 2025 in Bath, UK, offers a unique running experience featuring the longest underground sections for each race distance in the UK. Participants can choose from various race options, including an ultra marathon, marathon, half marathons, 10km, 5km, and fam..