Endurance Grid's Race Calendar lists 4 upcoming marathons in Delaware, in 3 cities, from December 2026 to May 2027.
How long is a marathon?+–
A marathon is a running race where athletes run 26.2 miles long (42.2 kilometers) for time.
Which Delaware cities host marathons?+–
Marathons in Delaware are held in Rehoboth Beach, Delaware City, and Wilmington.
What other race distances are available in Delaware?+–
Beyond marathon, Delaware races cover a wide range of distances. Delaware also has 5Ks, 10Ks, and half marathons for running races. Additionally, Endurance Grid's Race Calendar also covers other sports, with adventure, road cycling, running, and trail running races of various distances.