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Half Marathons Found In Delaware in May

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Half Marathons in Delaware in May 2025

Find A Race is the US's favourite event listings site. Check out our list of May 2025 Half Marathons in Delaware below.

Race Calendar: Half Marathons Found In May

🚀Boosted

16th Seashore Classic 1/2 Marathon, 2-person Relay & 5k

Lewes, Delaware
03 May 25
$33.63 - $76.33
🚀Boosted

Race4Warriors 5K, 10K & Half Marathon Challenges!

Lewes, Delaware
10 May 25
$38.10 - $96.40
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16th Seashore Classic 1/2 Marathon, 2-person Relay & 5k

Lewes, Delaware
03 May 25
$33.63 - $76.33

Race4Warriors 5K, 10K & Half Marathon Challenges!

Lewes, Delaware
10 May 25
$38.10 - $96.40
Showing 1-2 of 2 results