The Relentless
Below are the key details about the running event along with a Google map & search link.
* This event was last held on 18 Sep 2026 - new dates haven't been announced yet *
- When
- 18 Sep 2026
- Distances
- 50 Miles, 100 Miles
- Location
- Tondu, Wales
- Terrain
- Trail
- Event website
- https://madrunningjunkies.co.uk/
About The Relentless
The Relentless takes place across trail terrain in Tondu, Bridgend, on 18 September 2026, with runners tackling either 50 miles or 100 miles. The course consists of a repeated 10-mile loop, with competitors returning to the start/finish hub at each lap. Support is centred at this hub, where runners can access food, hydration, medical support, and drop bags between loops, with a crew zone and sleep station available.
The 50-mile distance carries a 24-hour time limit, while the 100-mile event allows 45 hours for completion. Entry is limited to 25 runners per distance.
Disclaimer
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