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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

PEDALS

Cannonsburg, Michigan
14 Sep 25
Free - $62.30
🚀Boosted

Heritage 13.1 & 50K Trail Run

Adrian, Michigan
28 Sep 25
$85.80 - $107.00
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100 Miles a Month

Royal Oak, Michigan
01 Jun 25 - 01 Oct 25
Free - $11.60

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
$62.21 - $160.44

Heritage 13.1 & 50K Trail Run

Adrian, Michigan
28 Sep 25
$85.80 - $107.00
Showing 1-5 of 5 results