Missouri Half Marathons by Date • By City
Browse all 2021 Missouri half marathons by month below. For each race, you’ll find course maps, elevation profiles, runner reviews, and how to sign up.
When you view a race, you’ll also find contact info if you’re having problems with your registration or need to contact the race directors.
February 2021
| Sat Feb 13 | Heart of the Ozarks Half Marathon 10K & Relay | West Plains MO |
March 2021
| Sun Mar 7 | Quivering Quads Trail Half Marathon & 15K | Troy MO |
| Sat Mar 13 & Sun Mar 14 | Creve Coeur St. Paddy's Half Marathon & 7K | Maryland Heights MO |
| Sat Mar 27 | Bridge and Dam Half Marathon & 10K | Lake Ozark MO |
April 2021
| Sat Apr 10 & Sun Apr 11 | GO! St. Louis Marathon Half Marathon & 10K | St. Louis MO |
| Fri Apr 16 | Riverboat Series Marathon Half Marathon 10K & 5K – Day 6 | Cape Girardeau MO |
| Sat Apr 17 | Clinton Historic Half Marathon & 5K | Clinton MO |
| Sat Apr 24 | Frisco Railroad Run Marathon Half Marathon 50K 50M & 8K | Willard MO |
| Sun Apr 25 | Warrior Princess Half Marathon & 5K | Springfield MO |
May 2021
| Sat May 1 | Do or Die Half Marathon & 5K | Boonville MO |
| Sat May 1 | Muddy River Marathon & Half Marathon | Cape Girardeau MO |
| Sat May 15 | Prairie Series Marathon Half Marathon 10K & 5K – Day 7 | St. Joseph MO |
June 2021
| Sat Jun 5 | Go Girl Run Half Marathon & 5K | Columbia MO |
| Sat Jun 12 | Run for a Vet Half Marathon & 5K | Branson MO |
July 2021
| Sun Jul 11 | Rock Island Trail Half Marathon | Pleasant Hill MO |
August 2021
| Sat Aug 14 | Hillbilly Half Marathon 10K & 5K | Ozark MO |
| Sat Aug 21 | Harder than Hell Half Marathon | Nixa MO |
| Sat Aug 28 | Rock the Parkway Half Marathon & 5K | Kansas City MO |
September 2021
| Sat Sep 4 | Corps of Discovery Trail Half Marathon & 5-Mile | St. Charles MO |
| Sat Sep 11 | Give Back Run Half Marathon 10K & 5K | Columbia MO |
| Sat Sep 18 | Pub 2 Pub Half Marathon & 5K | St. James MO |
| Sat Sep 18 | Rockin' Rockwoods Half Marathon & 53K | Wildwood MO |
| Sun Sep 19 | City of Roses Half Marathon & 5K | Cape Girardeau MO |
| Sat Sep 25 | Betsy Farris Memorial Run | Columbia MO |
| Sat Sep 25 | Pony Express Run Half Marathon & 5K | St. Joseph MO |
October 2021
| Sat Oct 2 | Forrest Gump Challenge Half Marathon & 5K | Branson MO |
| Sat Oct 2 | Frog Hill Half Marathon | Waynesville MO |
| Sun Oct 3 | Mo' Cowbell Marathon Half Marathon & Relay | St. Charles MO |
| Sun Oct 10 | SBC Trailfest Half Marathon 10K & 5K | Highlandville MO |
| Sat Oct 16 | F*L*A*T*S Trail Half Marathon | Kirksville MO |
| Sat Oct 16 | Kansas City Marathon Half Marathon 10K & 5K | Kansas City MO |
| Sat Oct 23 | Priebe Strong 1062 Half Marathon 10K & 5K | Republic MO |
| Sun Oct 24 | GO! St. Louis Halloween Half Marathon | St. Louis MO |
| Sat Oct 30 | Bear Creek Run Half Marathon | Columbia MO |
| Sat Oct 30 | Innsbrook Half Marathon | Innsbrook MO |
| Sat Oct 30 | Spooky Sprint Half Marathon 10K & 5K | Lees Summit MO |
November 2021
| Sat Nov 6 | Longview Half Marathon 10K & 5K | Grandview MO |
| Sun Nov 7 | Bass Pro Shops Cohick Marathon Half Marathon & 5K | Springfield MO |
| Sun Nov 7 | Saint Louis Half Marathon | St. Louis MO |
| Sat Nov 20 | Honoring Our Heroes Marathon Half Marathon 10K 5K & Relay | Rolla MO |
December 2021
| Sat Dec 18 | Run for the Ranch Marathon Half Marathon & Relay | Springfield MO |
