Michigan · Ultra

2027 Ultramarathons in Michigan

Every upcoming Ultra in Michigan, all 5 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

5 upcoming ultramarathons · 4 with finish-time stats

5K Races 32510K Races 99Half Marathons 62Marathons 12
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By the numbers

The Biggest and Longest-Running

The Michigan races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field230 finishersTraverse City Trail Running Festivalin the 25K

Michigan Ultramarathons by City

Walker 1Kalamazoo 1Traverse City 1Brighton 1Laingsburg 1

The Next Ultra Marathons in Michigan

5 total
Fri, Feb 5, 2027Groundhog Day Marathon Walker, MIMarathonHalf Marathon4.37 Miles30.57 MilesFrom $134Details Sat, Apr 10, 2027Kal-Haven Trail Run Kalamazoo, MI33.5 MilesFrom $50Details Sat, May 8, 2027Traverse City Trail Running Festival Traverse City, MI10K5K25K50KFrom $75Details Sat, Jun 5, 2027UltraTrax AnnArbor Brighton, MI7 Miles14 Miles21 Miles28 MilesFrom $116Details Sat, Jun 12, 2027Summer Trail Fest Ultra 50 Mile, 50K, Half Marathon, & 5 Miler Laingsburg, MI50 Miles31 MilesHalf Marathon5 MilesFrom $95Details

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running an Ultra in Michigan

Which Michigan cities have the most ultramarathons?

Walker (1), Kalamazoo (1), Traverse City (1), Brighton (1) lead the state for Ultra races. Those give you the most dates to choose from if your schedule is tight.

When are most ultramarathons held in Michigan?

June is the busiest month for Ultra races in Michigan, with 2 of the 5. If you are flexible on the date, that is the quickest way to narrow things down.