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Half marathons in Merthyr Tydfil in Spring

Find half marathons in Merthyr Tydfil in Spring - filter by date, location or category, display on a map or use the advanced search to find your perfect race.

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  • Sun 22 Mar 2026
Merthyr Tydfil, Mid Glamorgan, UK

The Merthyr Half Marathon | Half Marathon

  • 13.1 miles road running

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