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Half Marathons Found In St. Louis, Missouri

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Half Marathons in & near St. Louis, Missouri 2025 - 2026

The most comprehensive list of Half Marathons in and near St. Louis, Missouri in 2025 - 2026. Find your perfect race!

Race Calendar: Half Marathons Found In St. Louis, Missouri

πŸš€Boosted

Yeti Endurance Weekend

Kansas City, Missouri
15 Nov 25
$31.45 - $56.16
πŸš€Boosted

The Bluffs Trail Runs

Eminence, Missouri
02 May 26
$16.90 - $117.60
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Run for Donuts 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
14 Jun 25
$32.80 - $52.94

Hometown Half Marathon & 5k/10k - Kansas City

Parkville, Missouri
14 Jun 25
$20.83 - $73.94

Love to Run St. Charles 5k | 10k | Half Marathon | Marathon (NEW!)

Saint Charles, Missouri
14 Jun 25
$9.07 - $108.35

Clinton Historic Half Marathon & 5K

Clinton, Missouri
14 Jun 25
$43.95 - $96.12

Father's Day Fun Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
14 Jun 25
$32.80 - $52.94

Hometown Half Marathon & 5k/10k - St Louis

St. Charles, Missouri
15 Jun 25
$20.83 - $73.94

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

St Charles, Missouri
05 Jul 25
$27.50 - $84.74

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

Kansas City, Missouri
05 Jul 25
$32.80 - $52.94

SuperHeroes Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
05 Jul 25
$32.80 - $52.94

Rock Island Trail Half Marathon and 5K

Pleasant Hill, Missouri
26 Jul 25
$35.95 - $48.95

Run for Wine & Cheese 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
02 Aug 25
$32.80 - $48.70

Singles & Friends Running Club 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
02 Aug 25
$32.80 - $48.70

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

Saint Louis, Missouri
09 Aug 25
$9.07 - $87.00

The Labor Day Run/Ruck

St Louis, Missouri
30 Aug 25
$42.34 - $84.74

Corps of Discovery Trail Races

Saint Charles, Missouri
30 Aug 25
$60.31 - $81.66

Labor Day Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
30 Aug 25
$32.80 - $48.70

Sunrise Marathon 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
30 Aug 25
$32.80 - $48.70

National Chocolate Day: Run for Chocolates KANSAS CITY

Kansas City, Missouri
13 Sep 25
$32.80 - $48.70

Hedgehog Dash 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
13 Sep 25
$32.80 - $48.70

National Singles Day: Singles & Friends Running Club KANSAS CITY

Kansas City, Missouri
27 Sep 25
$32.80 - $48.70

National Coffee Day: Run for Coffee KANSAS CITY

Kansas City, Missouri
27 Sep 25
$32.80 - $48.70

Swifty Fun Run - Kansas City

Kansas City, Missouri
27 Sep 25
$9.07 - $81.66

Corn Cob Classic

Washington, Missouri
27 Sep 25
$38.60 - $81.00

City of Roses Half Marathon & 5K

Cape Girardeau, Missouri
28 Sep 25
$32.80 - $160.00

Cheers to Oktoberfest Run 5K/10K/13.1 KANSAS CITY

Kansas City, Missouri
04 Oct 25
$32.80 - $48.70

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

Kansas City, Missouri
04 Oct 25
$32.80 - $48.70

The Betsy Farris Memorial Run

Columbia, Missouri
04 Oct 25
$25.00 - $50.00

MO' Cowbell Marathon/Half-Marathon/10K/5K

Saint Charles, Missouri
05 Oct 25 - 30 Oct 25
$38.96 - $122.23

Trailfest | Fleet Feet Springfield

Highlandville, Missouri
05 Oct 25
$49.20 - $70.40

The Great GO! St. Louis Halloween Race

St. Louis, Missouri
18 Oct 25 - 19 Oct 25
$22.95 - $70.99

I-35 Challenge

Kansas City, Missouri
18 Oct 25 - 19 Oct 25
$38.10 - $293.95

Garmin Kansas City Marathon

Kansas City, Missouri
18 Oct 25
$48.70 - $133.50

The Innsbrook Half Marathon & 10k

Innsbrook, Missouri
25 Oct 25
$49.64 - $70.99

Spooky Sprint - Kansas City

Lee's Summit, Missouri
25 Oct 25
$20.83 - $50.28

Spooky Sprint- St. Louis

Maryland Heights, Missouri
26 Oct 25
$20.83 - $50.28

The SKIPPO Trail Race

Ballwin, Missouri
01 Nov 25 - 02 Nov 25
$53.91 - $116.89

Saint Louis Half Marathon and 5K

Saint Louis, Missouri
09 Nov 25
$38.86 - $81.56

Honoring our Heroes Marathon

Rolla, Missouri
15 Nov 25
$33.63 - $188.41

Yeti Endurance Weekend

Kansas City, Missouri
15 Nov 25
$31.45 - $56.16

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

Kansas City, Missouri
29 Nov 25
$32.80 - $48.70
Showing 1-40 of 59 results
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