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Half Marathons Found In Missouri in October

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Half Marathons in Missouri in October 2025

Find A Race is the US's favourite event listings site. Check out our list of October 2025 Half Marathons in Missouri below.

Race Calendar: Half Marathons Found In October

🚀Boosted

The Great GO! St. Louis Halloween Race

St. Louis, Missouri
Sat 18 Oct 25 - Sun 19 Oct 25
$33.63 - $103.01
🚀Boosted

Garmin Kansas City Marathon

Kansas City, Missouri
Sat 18 Oct 25
$54.00 - $149.40
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Garmin Kansas City Marathon

Kansas City, Missouri
Sat 18 Oct 25
$54.00 - $149.40

The Great GO! St. Louis Halloween Race

St. Louis, Missouri
Sat 18 Oct 25 - Sun 19 Oct 25
$33.63 - $103.01

I-35 Challenge

Kansas City, Missouri
Sat 18 Oct 25 - Sun 19 Oct 25
$38.10 - $346.45

Spooky Sprint - Kansas City

Lee's Summit, Missouri
Sat 25 Oct 25
$20.83 - $65.46

The Innsbrook Half Marathon & 10k

Innsbrook, Missouri
Sat 25 Oct 25
$65.65 - $87.00

Spooky Sprint- St. Louis

Maryland Heights, Missouri
Sun 26 Oct 25
$20.83 - $65.46

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

Saint Charles, Missouri
Sun 05 Oct 25 - Thu 30 Oct 25
$38.96 - $132.90
Showing 1-7 of 7 results