Trail Races & Ultramarathons in Michigan

As of October 6, 2026, Crewable lists 25 upcoming trail races and ultramarathons in Michigan from October 2026 to September 2027. The next is 3rd Annual Shauna Smith Heroes 5K Trail Run /Walk or 2K Trail Walk on October 10 in Holland. Registration is open for 12.

Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites

Race calendar

October 2026

12 races

November 2026

4 races

January 2027

2 races

May 2027

2 races

June 2027

1 race

July 2027

1 race

September 2027

3 races

Quick answers

What is the next trail race or ultramarathon in Michigan?

3rd Annual Shauna Smith Heroes 5K Trail Run /Walk or 2K Trail Walk, on Saturday, October 10, 2026, in Holland. Distances: 5K.

How many trail races and ultramarathons in Michigan have open registration?

12 of the 25 list registration as open as of October 6, 2026, including 3rd Annual Shauna Smith Heroes 5K Trail Run /Walk or 2K Trail Walk, Anderson Lake Backyard Ultra and Crooked Loops Trail Run.

How many of the trail races in Michigan are ultramarathons?

15 of the 25 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 10 are shorter races.

What is the busiest month for trail races and ultramarathons in Michigan?

October 2026, with 12 of the 25. November 2026 follows with 4.

Race planning

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