Question 1

How many half marathons in Michigan are there in 2027?

Accepted Answer

There are 2 upcoming half marathons in Michigan listed on 42Cal, from February 2027 through April 2027. The count updates automatically as races are added.

Question 2

When is the best time for half marathons in Michigan?

Accepted Answer

Most of the 5 races on this list (3 of them) fall in February and October.

Question 3

Which race in this list has the least elevation gain?

Accepted Answer

Marquette Marathon in Ishpeming to Marquette is the flattest race on this list, with about 98 ft of total elevation gain — based on the 5 of 5 races here with elevation data on file.

Question 4

How current is this list?

Accepted Answer

This list was last refreshed on October 6, 2026. Race dates, locations, and course details are updated continuously as organizers confirm changes, so this page reflects the calendar as of that date.

Race	Date	Location	Distance	Elevation	Status
Winter Blast Half Marathon	February 2027	Portage, United States	Half Marathon	110 m	Opening Soon
Kalamazoo Marathon	April 2027	Kalamazoo, United States	Marathon	746 ft	Registration Open
Detroit Free Press Marathon	October 2026	Detroit, United States	Marathon	40 m	completed
Grand Rapids Marathon	October 2026	Grand Rapids, United States	Marathon	300 ft	completed
Marquette Marathon	September 2026	Ishpeming to Marquette, United States	Marathon	30 m	completed

Half Marathons in Michigan 2027

Upcoming Half Marathons in Michigan 2027

Winter Blast Half Marathon

Kalamazoo Marathon

Recently Run

Detroit Free Press Marathon

Grand Rapids Marathon

Marquette Marathon

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