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Ultra Marathons found in Michigan in Winter

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Ultra Marathons in Michigan in Winter 2025/26

Find A Race is the US's favourite event listings site. Check out our list of Winter 2025/26 Ultra Marathons in Michigan below.

Race Calendar: Ultra Marathons found in Winter

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Groundhog Day Marathon

Walker, Michigan
06 Feb 26 - 07 Feb 26
$63.89 - $132.79
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Groundhog Day Marathon

Walker, Michigan
06 Feb 26 - 07 Feb 26
$63.89 - $132.79
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