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Delaware Half Marathon Calendar 2026-2027

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Monthly updates for Delaware

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Explore the best half marathons in Delaware for 2026-2027! Our updated list features 7 exciting races across the region. Find your next race in Delaware below and join the running community at these great events!

September 2026
Sep
6
Su

Bear Trail Half Marathon & 10K

Trail Run 7 mi 13 mi
October 2026
Oct
24
Sa

Seawitch Half Marathon Classic

13 mi 16 mi
December 2026
Dec
5
Sa

Rehoboth Seashore Marathon

13 mi 26 mi
April 2027
Apr
10-11
Sa - Su

Coastal Delaware Running Festival

Road Race Walk 5 km 9 km ... 13 mi 26 mi
Apr
18
Su

Delaware Running Festival

5 km 10 km 13 mi 26 mi
May 2027
May
8
Sa

Race4Warriors Half Marathon

Trail Run 5 km 10 km 13 mi
June 2027
Jun
2-6
We - Su

Mainly Marathons Independence Series

Road Race Trail Run Walk 5 km 10 km ... 26 mi 50 km
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