Logo

Cardiff Trail Half Marathon

Tongwynlais, United Kingdom • 16 Nov 2025

The Cardiff Trail Half Marathon is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for November 16, 2025, this newly introduced race offers a unique blend of competition and scenic beauty, making it an ideal experience for both seasoned athletes and newcomers. Participants can look forward to an unforgettable day that combines the thrill of racing with the charm of the Welsh landscape. This event is quickly becoming a must-attend occasion for running enthusiasts looking to end their season on a high note. Visit the organization's website for the most recent information.

United Kingdom Wales Tongwynlais

Race information

Registration
Half Marathon
Half Marathon
Visit the organization's website for the most recent information.
Trail runs nearby

Nightmare before Xmas Trail ½ Marathon

Aberkenfig

Run the A Nightmare Before Xmas Trail half marathon on 20 December for a festive, challenging trail with mixed terrain and a steep Hill of Doom finish. Enjoy seasonal treats, a finisher medal and a prize for best Christmas fancy dress.

Saturn Running - Cwmdare

Cwmdare

Get into the festive spirit at Santa Run Wales in Dare Valley Country Park, Aberdare, a family friendly fun run with optional fancy dress, Christmas music and mince pies. Every finisher earns a festive medal and goody bag.

Dark Skies Series

Brean

Dark Skies Series brings winter night trail running to Somerset with three atmospheric events offering 5 km and 10 km routes. Enter individual races or the full series and collect a bespoke wooden finisher's medal to mark the achievement.

Cardiff Trail 10k

Cardiff

Discover the new Cardiff Trail 10k, a scenic 10 km trail run through Fforest fawr near Castell Coch. Expect muddy singletrack, sweeping views and a friendly atmosphere perfect for trail runners looking for a January adventure.