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Half Marathon Calendar near Sedbury 2025-2026

Explore the top half marathons near Sedbury for 2025-2026! We've gathered 46 exciting races in the area. Check out our detailed list below to find your next local race.

July 2026
Jul
11
Saturday

Black Mountains 50

Trail Run 13 mi 26 mi 32 mi 50 mi
Jul
19
Sunday

Wye Valley Tunnel Run

Trail Run 10 km Half Marathon Marathon
August 2026
Aug
15
Saturday

Chepstow Running Festival Half Marathon

5 km 10 km Half Marathon
Aug
16
Sunday

Two Tunnels Races

Trail Run 5 km 10 km ... Marathon 50 km
Aug
16
Sunday

South West Spartan

Obstacle Run 5 km 10 km Half Marathon
October 2026
Oct
4
Sunday

Cardiff Half Marathon

Half Marathon
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