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Ultra Marathons found in Michigan in December
View all ↓Ultra Marathons in Michigan in December 2025
Find A Race is the US's favourite event listings site. Check out our list of December 2025 Ultra Marathons in Michigan below.
Race Calendar: Ultra Marathons found in December
🚀Boosted
Tour de Trails
Rockford, Illinois
Sat 20 Dec 25 - Sat 21 Mar 26
$25.00 - $110.00
🚀Boosted
RUN THE MITT VIRTUAL CHALLENGE
ANY TOWN, Michigan
Wed 01 Jan 25 - Sat 27 Dec 25
$65.10 - $75.70
Feature your event at the top of the results
Tour de Trails
Rockford, Illinois
Sat 20 Dec 25 - Sat 21 Mar 26
$25.00 - $110.00
RUN THE MITT VIRTUAL CHALLENGE
ANY TOWN, Michigan
Wed 01 Jan 25 - Sat 27 Dec 25
$65.10 - $75.70
Showing 1-2 of 2 results