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Marathon Calendar near Nantgarw 2025-2026

Explore the top marathons near Nantgarw for 2025-2026! We've gathered 14 exciting races in the area. Check out our detailed list below to find your next local race.

July 2025
September 2025
November 2025
December 2025
January 2026
March 2026
April 2026
June 2026