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Ultra Marathons found in Michigan in August

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Ultra Marathons in Michigan in August 2025

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

Race Calendar: Ultra Marathons found in August

🚀Boosted

Michigan Titanium

Grand Rapids, Michigan
10 Aug 25 - 11 Aug 25
Free - $578.95
🚀Boosted

Copper Harbor Trails Fest

Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $64.60
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Michigan Titanium

Grand Rapids, Michigan
10 Aug 25 - 11 Aug 25
Free - $578.95

Copper Harbor Trails Fest

Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $64.60
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