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Half Marathons Found In Maryland in September
View all ↓Half Marathons in Maryland in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 Half Marathons in Maryland below.
Race Calendar: Half Marathons Found In September
Pirate 1M, 5K, 10K, 15K, & Half Marathon at Cedar Lane Regional Park, Bel Air, MD (9-6-2025)
Bel Air, Maryland
06 Sep 25
$27.50 - $69.90
ASICS Susquehanna River Running Festival presented by University of Maryland Upper Chesapeake Health
Havre de Grace, Maryland
20 Sep 25 - 21 Sep 25
$39.10 - $129.20
Parks Half Marathon
Rockville, Maryland
21 Sep 25
Free - $79.00
Lock 2 Lock Marathon/Half Marathon/10k
Williamsport, Maryland
06 Sep 25
$48.70 - $80.50
2025 ASICS Susquehanna River Running Festival presented by University of Maryland Upper Chesapeake Health - EARLY BIRD REGISTRATION (2025)
Havre de Grace, Maryland
20 Sep 25
$38.00 - $84.80
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