Half-Marathon races in Missouri, United States — 2026 running calendar

Aug

16

Hearts for RMHKC Half Marathon,10K, 5K, 1 Mile Walk, & Kid's Fun Run

Parkville, Missouri, United States

Running Walking

Half-Marathon 10K 5K 1.6K

Aug

15

Cookie Run 5K/10K/13.1 Kansas City

Kansas City, Missouri, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Aug

15

Run for PB& J 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Running

5K 10K Half-Marathon 1.6K +2

Aug

08

Swifty Fun Run - 1 mile | 5k | 10k | 13.1 mile

Saint Louis, Missouri, United States

Running

1.6K 5K 10K Half-Marathon +2

Aug

02

Heatwave Half Marathon - Kansas City

Parkville, Missouri, United States

Running

1.6K 5K 10K Half-Marathon +1

Aug

01

Ninja 5K, 10K, & 13.1M at Kansas City, MO (31)

Kansas City, Missouri, United States

Running

5K 10K Half-Marathon

Aug

01

Heatwave Half Marathon - St. Louis

Saint Louis, Missouri, United States

Running

1.6K 5K 10K Half-Marathon +1

Jul

25

Run for Coffee Lovers 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Running

5K 10K Half-Marathon 1.6K +2

Jul

25

Run for Donuts 5K/10K/13.1 Kansas City

Kansas City, Missouri, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Jul

19

Heatwave Half Marathon - Springfield

Willard, Missouri, United States

Running

1.6K 5K 10K Half-Marathon +1

Jul

04

Run for Chocolate 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Running

5K 10K Half-Marathon 1.6K +2

Jul

04

July 4th Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

Running

5K 10K Half-Marathon 1.6K +2