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Ultra Marathons found in Michigan in August
View all ↓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
Copper Harbor Trails Fest
Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $64.60
🚀Boosted
Michigan Titanium
Grand Rapids, Michigan
10 Aug 25 - 11 Aug 25
Free - $631.45
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100 Miles a Month
Royal Oak, Michigan
01 Jun 25 - 01 Oct 25
Free - $11.60
Marsh Madness
South Rockwood, Michigan
01 Aug 25 - 02 Aug 25
Free
Michigan Titanium
Grand Rapids, Michigan
10 Aug 25 - 11 Aug 25
Free - $631.45
Copper Harbor Trails Fest
Copper Harbor, Michigan
30 Aug 25 - 31 Aug 25
Free - $64.60
Showing 1-4 of 4 results