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Half Marathon calendar near Tongwynlais 2025-2026

Explore the top half marathons near Tongwynlais for 2025-2026! We've gathered 25 exciting races in the area. Check out our detailed list below to find your next local race.

December 2025
Dec
13
Saturday

Celtic Trail Races

Trail Run 13 mi 26 mi 34 mi
Dec
20
Saturday

Nightmare before Xmas Trail ½ Marathon

Trail Run 13 mi
March 2026
Mar
1
Sunday

Saturn Running - Aberdare

Backyard Ultra 5 km 7 km ... 26 mi 50 km
Mar
22
Sunday

Merthyr Half Marathon

13 mi
April 2026
Apr
19
Sunday

Newport Wales Marathon

10 km 13 mi 26 mi
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