Browse all 2021 Delaware half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
See also: Delaware Half Marathons, Listed by City
May 2021
| Sat May 15 | Race4Warriors Marathon Half Marathon 10K & 5K | Lewes DE |
June 2021
| Sat Jun 5 | Independence Series Marathon Half Marathon 10K & 5K – Day 1 | Bear DE |
| Sun Jun 13 | Delaware Running Festival Marathon & Half Marathon | Wilmington DE |
October 2021
| Sun Oct 3 | Bear Trail Half Marathon & 5K | Bear DE |
December 2020
| Sat Dec 5 | Rehoboth Beach Seashore Marathon & Half Marathon | Rehoboth Beach DE |
