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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

🚀Boosted

Alex's Great State Race 2025

East Lansing, Michigan
01 Oct 25 - 25 Oct 25
Free
🚀Boosted

Anderson Lake Backyard Ultra

Gwinn, Michigan
11 Oct 25 - 12 Oct 25
$80.50
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Alex's Great State Race 2025

East Lansing, Michigan
01 Oct 25 - 25 Oct 25
Free

Wolverine State 100

Petoskey, Michigan
11 Oct 25 - 12 Oct 25
Free - $348.50

Anderson Lake Backyard Ultra

Gwinn, Michigan
11 Oct 25 - 12 Oct 25
$80.50
Showing 1-3 of 3 results