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Ultra Marathons found in Michigan in September

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Ultra Marathons in Michigan in September 2025

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

Race Calendar: Ultra Marathons found in September

🚀Boosted

Camp Quality's Go Gold for the Kids 5k

Flushing, Michigan
07 Sep 25 - 29 Sep 25
Free - $22.75
🚀Boosted

5th Annual Heritage 13.1 & 50K Trail Run

Adrian, Michigan
28 Sep 25
$64.60 - $91.10
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Camp Quality's Go Gold for the Kids 5k

Flushing, Michigan
07 Sep 25 - 29 Sep 25
Free - $22.75

PEDALS

Cannonsburg, Michigan
14 Sep 25
Free - $62.30

The Dirty Mitten Gravel Triathlon

Middleville, Michigan
21 Sep 25
$58.68 - $149.84

5th Annual Heritage 13.1 & 50K Trail Run

Adrian, Michigan
28 Sep 25
$64.60 - $91.10
Showing 1-4 of 4 results