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Half Marathons Found In Missouri in October
View all ↓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
MO' Cowbell Marathon/Half-Marathon/10K/5K
Saint Charles, Missouri
05 Oct 25 - 30 Oct 25
$38.96 - $94.47
Garmin Kansas City Marathon
Kansas City, Missouri
18 Oct 25
$43.40 - $117.60
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 - $267.70
Spooky Sprint - Kansas City
Lee's Summit, Missouri
25 Oct 25
$18.83 - $44.28
The Innsbrook Half Marathon & 10k
Innsbrook, Missouri
25 Oct 25
$49.64 - $70.99
Spooky Sprint- St. Louis
Maryland Heights, Missouri
26 Oct 25
$18.83 - $44.28
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