Marathon Races in Delaware
Find upcoming marathon races in Delaware — with dates, locations, and direct registration links.
9 upcoming marathon races found in Delaware
Upcoming Marathon Races in Delaware
Rehoboth Seashore Marathon+3
Dec 5
Rehoboth Seashore Marathon and Half Marathon
Sat, December 5, 2026
Rehoboth Beach, DE
Half Marathon
Dec 5
Rehoboth Beach Seashore Marathon & Half Marathon
Sat, December 5, 2026
Rehoboth, DE
1/2 Marathon Classic (Saturday)+1
Oct 24
6TH SEAWITCH 1/2 MARATHON CLASSIC (SEAWITCH RACING FESTIVAL WEEKEND)
Sat, October 24, 2026
Lewes, DE
Marathon (26.2)+6
Apr 10
Coastal Delaware Running Festival
Sat, April 10, 2027
Rehoboth Beach, DE
5K Run Challenge+8
May 8
Race4Warriors 5K, 10K & Half Marathon Challenges!
Sat, May 8, 2027
Lewes, DE
First State Half Marathon+1
Mar 20
First State Half Marathon & 10K
Sat, March 20, 2027
Newark, DE
