Marathon Races in Missouri

Find upcoming marathon races in Missouri — with dates, locations, and direct registration links.

96 upcoming marathon races found in Missouri

Upcoming Marathon Races in Missouri

5K Registration+5

Aug 15

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

Sat, August 15, 2026

Kansas City, MO

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5K Registration+5

Aug 15

Bagel Run 5K/10K/13.1 KANSAS CITY

Sat, August 15, 2026

Kansas City, MO

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Hearts for RMHKC Half Marathon+4

Aug 16

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

Sun, August 16, 2026

Parkville, MO

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The Next Loop Endurance Series 5K, 10K, 1/2 Marathon, Marathon, 50K

Aug 22

The Next Loop Endurance Series | Cliff Cave Park

Sat, August 22, 2026

St Louis, MO

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5K Registration+5

Aug 29

Run for Breast Cancer 5K/10K/13.1 KANSAS CITY

Sat, August 29, 2026

Kansas City, MO

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5K+2

Aug 29

Medal Madness 5K, 10K, & 13.1M at Kansas City, MO (35)

Sat, August 29, 2026

Kansas City, MO

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5K Registration+5

Aug 29

Sloth Run 5K/10K/13.1 KANSAS CITY

Sat, August 29, 2026

Kansas City, MO

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5k+3

Aug 29

The Labor Day Slay

Sat, August 29, 2026

St Louis, MO

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5K Registration+5

Aug 29

Run to Breast Cancer 5K/10K/13.1 KANSAS CITY

Sat, August 29, 2026

Kansas City, MO

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Half Marathon+2

Aug 29

Corps of Discovery Trail Races

Sat, August 29, 2026

Saint Charles, MO

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5k+3

Sep 5

The Labor Day Slay 5K-10K-10KRUCK-Half Marathon

Sat, September 5, 2026

St Louis, MO

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5k+3

Sep 5

The Labor Day Slay 5K-10K-10K-RUCK & Half Marathon

Sat, September 5, 2026

St Louis, MO

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Marathon+1

Sep 7

Heart of America Marathon & Relay

Mon, September 7, 2026

Columbia, MO

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5K Registration+5

Sep 12

Run for Mental Health 5K/10K/13.1 KANSAS CITY

Sat, September 12, 2026

Kansas City, MO

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5k+6

Sep 12

Golden Harvest Half Marathon & 5k/10k - Springfield

Sat, September 12, 2026

Springfield, MO

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5K Registration+5

Sep 12

National Chocolate Day: Run for Chocolates 5K/10K/13.1 KANSAS CITY

Sat, September 12, 2026

Kansas City, MO

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1 MILE RUN+8

Sep 12

Swifty Fun Run - Kansas City

Sat, September 12, 2026

Kansas City, MO

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5K+2

Sep 12

Medal Madness 5K, 10K, & 13.1M at Branson, MO (37)

Sat, September 12, 2026

Branson, MO

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Squatch-Fecta+5

Sep 19

Running From Squatch - Springfield, MO

Sat, September 19, 2026

Springfield, MO

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Half Marathon+1

Sep 23

Pub to Pub Half Marathon & 5k

Wed, September 23, 2026

St James, MO

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5k+6

Sep 26

Golden Harvest Half Marathon & 5k/10k - St. Louis

Sat, September 26, 2026

St. Louis, MO

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5K Registration+5

Sep 26

Oktoberfest Run 5K/10K/13.1 KANSAS CITY

Sat, September 26, 2026

Kansas City, MO

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5K Registration+5

Sep 26

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

Sat, September 26, 2026

Kansas City, MO

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Half Marathon+2

Sep 26

Pony Express Run Half Marathon, 10k & 5k

Sat, September 26, 2026

St Joseph, MO

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Ultra+1

Sep 26

Rockin’ Rockwoods Ultra Run Half Marathon

Sat, September 26, 2026

Wildwood, MO

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Half Marathon+3

Sep 27

City of Roses Half Marathon & 5K

Sun, September 27, 2026

Cape Girardeau, MO

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Kid's Dash+6

Sep 27

Golden Harvest Half Marathon & 5k/10k - Kansas City

Sun, September 27, 2026

Kansas City, MO

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Half Marathon+1

Oct 3

Frog Hill Half Marathon & 10k

Sat, October 3, 2026

Waynesville, MO

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Half Marathon+1

Oct 3

FLATS Trail Half Marathon

Sat, October 3, 2026

Kirksville, MO

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1 MILE FUN RUN+5

Oct 3

She Dreams Bigger - Women's Run

Sat, October 3, 2026

Maryland Heights, MO

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