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Michigan Half Marathon Calendar 2026-2027

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Monthly updates for Michigan

Get new running races (and updates) in your inbox every month.

Explore the best half marathons in Michigan for 2026-2027! Our updated list features 107 exciting races across the region. Find your next race in Michigan below and join the running community at these great events!

September 2026
Sep
26
Sa

Run Iron Mountain

5 km 10 km Half Marathon
Sep
26-27
Sa - Su

Sault International Festival of Races

5 km 5 mi 13 mi
Sep
26
Sa

Park2Park Half-Marathon

5 km Half Marathon
Sep
27
Su

The Rooted Half Marathon

Trail Run 5 km 13 mi
Sep
27
Su

She Runs Grand Rapids

5 km 10 km Half Marathon
October 2026
Oct
3
Sa

Running Between the Vines

5 km 5 mi 13 mi
Oct
3
Sa

Sleeping Bear Marathon

5 km Half Marathon Marathon
Oct
4
Su

Oktoberfest Runs @ Stony Creek

5 km 10 km Half Marathon 30 km
Oct
10
Sa

Sandhill Crane All Trail Half Marathon

Trail Run 5 km 10 km 13 mi
Oct
10
Sa

Hot Cider Hustle - Lansing

5 km 10 km Half Marathon
Oct
16-18
Fr - Su

Detroit Free Press Marathon

5 km Half Marathon Marathon
Oct
17
Sa

US Road Running - Corunna

5 km 10 km Half Marathon
Oct
18
Su

Grand Rapids Marathon

5 km 10 km Half Marathon Marathon
Oct
18
Su

GR Marathon

13 mi 26 mi
Oct
24
Sa

US Road Running - Lansing

5 km 10 km Half Marathon Marathon
Oct
24
Sa

Great Turtle Trail Run

Trail Run 6 mi 13 mi
Oct
24
Sa

Halloween Hustle - Beecher

5 km 13 mi
Oct
31
Sa

Hot Cider Hustle - Grand Rapids

5 km 10 km Half Marathon
November 2026
Nov
8
Su

The Rock CF Thumb Coast Marathon

5 km Half Marathon Marathon
Nov
21
Sa

US Road Running - Corunna

5 km 10 km Half Marathon