Half Marathons Near Detroit, MI
As of October 6, 2026, Crewable lists 6 upcoming half marathons near Detroit, MI from October 2026 to November 2026. The next is Heritage 50k & Half-Marathon on October 11 in Adrian, MI. Registration is open for all 6. One advertises prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
Race calendar
October 2026
5 racesNovember 2026
1 raceQuick answers
What is the next half marathon near Detroit, MI?
Heritage 50k & Half-Marathon, on Sunday, October 11, 2026, in Adrian, MI. Distances: 50K, Half Marathon.
What is the closest half marathon to Detroit?
Spooky Sprint - Ann Arbor in Ypsilanti, MI, about 30 miles from Detroit, on October 24, 2026.
How many half marathons near Detroit, MI have open registration?
All 6 list registration as open as of October 6, 2026.
Which half marathons near Detroit, MI offer prize money?
One race advertises prize money.
What is the busiest month for half marathons near Detroit, MI?
October 2026, with 5 of the 6. November 2026 follows with 1.
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