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Half Marathons found in Michigan in September
View all ↓Half Marathons in Michigan in September 2025
Find A Race is the US's favourite event listings site. Check out our list of September 2025 Half Marathons in Michigan below.
Race Calendar: Half Marathons found in September
🚀Boosted
Sault International Festival of Races
Sault Sainte Marie, Michigan
27 Sep 25 - 28 Sep 25
$27.50 - $43.40
🚀Boosted
Gentex Park2Park 1/2 Marathon & 5K for Neighbors Plus
Holland, Michigan
27 Sep 25
$22.55 - $54.34
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Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Mount Hope Park, Grand Ledge, MI (36) 80
Grand Ledge, Michigan
06 Sep 25
$27.75 - $70.15
Mt. Baldhead Challenge
Saugatuck, Michigan
06 Sep 25
$65.10 - $86.30
2025 Holland Haven Marathon
Holland, Michigan
07 Sep 25
$52.94 - $133.50
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at McCurdy Park, Corunna, MI (38) 50
Corunna, Michigan
20 Sep 25
$27.75 - $70.15
2025 Run Iron Mountain Half Marathon | 1OK | 5K | 1 Mile Fun Run
Iron Mountain, Michigan
20 Sep 25
$12.50 - $128.20
Capital City River Run
Lansing, Michigan
20 Sep 25
$11.60 - $77.32
Detroit Women's Half Marathon, 10K, and 5K: Women Run the D Run/Walk
Detroit, Michigan
21 Sep 25
Free - $103.20
Escanaba Fall Classic Half Marathon | 5K
Escanaba, Michigan
27 Sep 25
$23.75 - $59.65
Sault International Festival of Races
Sault Sainte Marie, Michigan
27 Sep 25 - 28 Sep 25
$27.50 - $43.40
Gentex Park2Park 1/2 Marathon & 5K for Neighbors Plus
Holland, Michigan
27 Sep 25
$22.55 - $54.34
SHE RUNS Grand Rapids
Grand Rapids, Michigan
28 Sep 25
$38.45 - $96.75
5th Annual Heritage 13.1 & 50K Trail Run
Adrian, Michigan
28 Sep 25
$64.60 - $91.10
Pave the Way
Shelby Township, Michigan
06 Sep 25
$39.95 - $81.89
Showing 1-13 of 13 results
