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Half Marathon Calendar near Tretower 2025-2026

Explore the top half marathons near Tretower for 2025-2026! We've gathered 27 exciting races in the area. Check out our detailed list below to find your next local race.

April 2026
Apr
19
Sunday

Newport Wales Marathon

10 km 21 km 42 km
Apr
26
Sunday

Saturn 7 Hour Time Challenge - Aberdare

3 km 7 km ... 42 km 50 km
Apr
26
Sunday

Saturn Running - Aberdare

Backyard Ultra 3 km 7 km ... 42 km 50 km
July 2026
Jul
11
Saturday

Black Mountains 50

Trail Run 13 mi 26 mi 32 mi 50 mi
Jul
26
Sunday

Pen Y Fan Challenge

Trail Run 5 mi 13 mi
August 2026
Aug
15
Saturday

Chepstow Running Festival Half Marathon

5 km 10 km 21 km
December 2026
Dec
19
Saturday

Nightmare before Xmas Trail ½ Marathon

Trail Run 21 km
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