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Delaware Half Marathon Calendar 2025-2026

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Explore the best half marathons in Delaware for 2025-2026! Our updated list features 6 exciting races across the region. Find your next race in Delaware below and join the running community at these great events!

December 2025
Dec
6
Sa

Rehoboth Seashore Marathon

Half Marathon Marathon
March 2026
Mar
21
Sa

First State Half Marathon

10 km Half Marathon
April 2026
Apr
11-12
Sa - Su

Coastal Delaware Running Festival

5 km 9 km 13 mi 26 mi
Apr
19
Su

Delaware Running Festival

5 km 10 km Half Marathon Marathon
May 2026
May
9
Sa

Race4Warriors Half Marathon

Trail Run 5 km 10 km Half Marathon
May
30
Sa

Conquer The Canal

5 km 10 km Half Marathon Marathon