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Ultra Marathons found in Michigan in Summer

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Ultra Marathons in Michigan in Summer 2025

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

Race Calendar: Ultra Marathons found in Summer

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Copper Harbor Trails Fest

Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $85.80
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Copper Harbor Trails Fest

Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $85.80
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