Trail Running Calendar Wales 2025-2026

We have found 105 Trailruns in Wales. Check below where and when you can find the races.

Rasus y Bannau is a challenging long-distance running event held in Brecon, Wales, featuring three race options: a 100 km ultra with 5100m ascent, a 75 km ultra with 3500m ascent, and a marathon of 43 km with 2000m ascent. All races start and finish in Brecon town center, traversing the scenic and r..

The Tenacious Ten Endurance Challenge is a demanding 10-hour loop race held at Mynydd Troed on Pengenfford Common near Talgarth in the Black Mountains of Wales. Participants tackle a strenuous 3.2-mile (5.1 km) technical loop featuring a harsh climb to the summit with 1,036 ft (316 m) ascent and ste..

24 Hours South - The Offa's Dyke Ultra is a challenging 24-hour endurance event starting from Prestatyn on the North Wales coast, following the Offa's Dyke National Trail southwards. Participants, either solo or in teams of 2 to 4, aim to cover as much distance as possible along this scenic and dema..

July 2026

The The MTC Hafren Ultra will take place in Hafren Forest on Wednesday 8 July 2026.

The The MTC Severn Plod Ultra will take place in Newtown on Thursday 9 July 2026.