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

The "ROCKIN' RIVERFEST" 5k, 10K, Half Marathon & Fun Run!

St. Charles, Missouri, United States

04 Jul, 2026 (Sat)

$25.00 - $79.00

Running

5K 10K 3K Half-Marathon

Eagle 5K, 10K, & 13.1M at Kansas City, MO (27)

Kansas City, Missouri, United States

04 Jul, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Eagle 5K, 10K, & 13.1M at Branson, MO (28)

Branson, Missouri, United States

11 Jul, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Heatwave Half Marathon - Springfield

Willard, Missouri, United States

19 Jul, 2026 (Sun)

$22.00 - $60.00

Running

1.6K 5K 10K Half-Marathon +1

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

Kansas City, Missouri, United States

25 Jul, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

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

Kansas City, Missouri, United States

25 Jul, 2026 (Sat) – 26 Sep, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Heatwave Half Marathon - St. Louis

Saint Louis, Missouri, United States

01 Aug, 2026 (Sat)

$22.00 - $62.00

Running

1.6K 5K 10K Half-Marathon +1

Heatwave Half Marathon - Kansas City

Parkville, Missouri, United States

02 Aug, 2026 (Sun)

$22.00 - $54.00

Running

1.6K 5K 10K Half-Marathon +1

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

Saint Louis, Missouri, United States

08 Aug, 2026 (Sat)

$27.50 - $80.00

Running

1.6K 5K 10K Half-Marathon +2

Ninja 5K, 10K, & 13.1M at Branson, MO (32)

Branson, Missouri, United States

08 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Bagel Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri, United States

15 Aug, 2026 (Sat) – 10 Oct, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

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

Kansas City, Missouri, United States

15 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2