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Marathons found in Michigan in October

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Marathons in Michigan in October 2025

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

Race Calendar: Marathons found in October

🚀Boosted

University of Michigan Health-West Grand Rapids Marathon

Grand Rapids, Michigan
19 Oct 25
$49.05 - $284.85
🚀Boosted

McKirdy Micro: Breaking 4

Walker, Michigan
12 Oct 25
$186.50
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Team Running Lab Half / Full Marathon Training Group

Brighton, Michigan
28 Apr 25 - 19 Oct 25
Free

Rusty Fish Marathon

Manistee, Michigan
04 Oct 25
$64.60

Sleeping Bear Marathon, Half Marathon & 5K

Empire, Michigan
04 Oct 25
$55.00 - $118.80

Probility Ann Arbor Marathon: 5K • 10K • Half-Marathon • Full Marathon • Marathon Relay • Half-Marathon Walk

Ann Arbor, Michigan
11 Oct 25 - 12 Oct 25
Free - $286.00

McKirdy Micro: Breaking 4

Walker, Michigan
12 Oct 25
$186.50

University of Michigan Health-West Grand Rapids Marathon

Grand Rapids, Michigan
19 Oct 25
$49.05 - $284.85

myTEAM TRIUMPH West MI - GR Marathon -- Captain & Angel Registration

Grand Rapids, Michigan
19 Oct 25
Free - $27.50

the overGRound marathon/relay

Grand Rapids, Michigan
26 Oct 25
Free
Showing 1-8 of 8 results