Browse all 2020 South Dakota half marathons by month and date below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
See also: South Dakota Half Marathons, Listed by City
April 2020
| Sun Apr 26 | Sioux Falls Skedaddle Half Marathon | Sioux Falls SD |
May 2020
| Sat May 16 | Brookings Marathon Half Marathon & Relay | Brookings SD |
June 2020
| Sun Jun 7 | Deadwood Mickelson Trail Marathon Half Marathon & Relay | Deadwood SD |
| Sun Jun 7 | Swan Lake Marathon Half Marathon & 5K | Viborg SD |
July 2020
| Sat Jul 11 | Spearfish Canyon Half Marathon & 5K | Spearfish SD |
August 2020
| Thu Aug 20 | Center of the Nation Marathon Half Marathon 10K & 5K – Day 4 | Belle Fourche SD |
| Sun Aug 23 | Leading Ladies Marathon & Half Marathon | Spearfish SD |
| Sun Aug 30 | Sioux Falls Marathon Half Marathon 5K & Relay | Sioux Falls SD |
September 2020
| Sat Sep 12 | Get to the Point Half Marathon & 5K | Elk Point SD |
| Sat Sep 19 | Mount Rushmore Half Marathon | Keystone SD |
| Sun Sep 27 | Prairie Series Marathon Half Marathon 10K & 5K – Day 3 | Baltic SD |
October 2020
| Sun Oct 4 | Palace City Kiwanis Half Marathon & Relay | Mitchell SD |
| Sun Oct 4 | Run Crazy Horse Marathon Half Marathon & Relay | Crazy Horse SD |
