50k races in Powys, Wales; Cymru (WLS), United Kingdom (GB)

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Tenacious Ten Ultra [event website]
May 09, 2026

50k Run Ultra
The Loop Ultra [event website]
Oct 11, 2025

50k Run Ultra
Black Mountains Ultra 50 mi, 32 mi, Marathon & Half Marathon [event website]
Jul 11, 2026

10k 20k 50k 80k Half Marathon Run Ultra
Beast of the Blacks Ultra 40 mi plus 20 & 10 mile [event website]
Mar 14, 2026

10 Mile 17k 50k 65k Run Ultra