Michigan Marathon Calendar 2025-2026

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Explore the best marathons in Michigan for 2025-2026! Our updated list features 26 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!

October 2025
Oct
4
Saturday

Sleeping Bear Marathon

5 km 13 mi 26 mi
Oct
4
Saturday

Rusty Fish Marathon

26 mi
Oct
12
Sunday

Ann Arbor Marathon

5 km 10 km 13 mi 26 mi
Oct
17-19
Fr - Su

Detroit Free Press Marathon

5 km 13 mi 26 mi
Oct
19
Sunday

Grand Rapids Marathon

5 km 10 km 13 mi 26 mi
November 2025
Nov
2
Sunday

The Rock CF Thumb Coast Marathon

5 km 13 mi 26 mi
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