Missouri Race Calendar

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

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

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

December 2021