View some of the best Half Marathon races in Detroit, Michigan! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.
For years the west side of the state got to have all the fun in the winter. This year The Winter Trail Fest will also be coming to the East side! We will be running 13.1 or 5 miles at our favorite winter running location, Island Lake State Recre...
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