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Half Marathon Calendar near Builth Wells 2025-2026

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Explore the top half marathons near Builth Wells for 2025-2026! We've gathered 7 exciting races in the area. Check out our detailed list below to find your next local race.

November 2025
Nov
8
Saturday

Beacons Ultra

Trail Run 13 mi 26 mi 49 mi
December 2025
Dec
6
Saturday

Secret Santa Tinsel Half Marathon

Trail Run 14 km 10 mi Half Marathon
Dec
6
Saturday

Secret Santa Series

Trail Run 12 km 14 km 10 mi 13 mi
March 2026
Mar
14
Saturday

Nant yr Arian Silver Trail

Trail Run 2 mi 3 mi 10 km Half Marathon
Mar
22
Sunday

Merthyr Half Marathon

Half Marathon
June 2026
Jun
6
Saturday

Midnight Mountain Marathon

Trail Run Half Marathon Marathon
July 2026
Jul
26
Sunday

Pen Y Fan Challenge

Trail Run 5 mi 13 mi
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