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Ultra Marathons found in Michigan in October

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Ultra Marathons in Michigan in October 2025

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

Race Calendar: Ultra Marathons found in October

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Bear Lake Ultra

Lapeer, Michigan
04 Oct 25 - 05 Oct 25
$99.98
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Bear Lake Ultra

Lapeer, Michigan
04 Oct 25 - 05 Oct 25
$99.98

Wolverine State 100

Petoskey, Michigan
11 Oct 25 - 12 Oct 25
Free - $311.75
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