Half Marathon · Grand Rapids

Half Marathons in Grand Rapids, MI in October

Every half marathon happening in or near Grand Rapids during October. Sorted by date with deterministic 0–100 scores so you can pick the right one for your goal.

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Half Marathon

myTEAM TRIUMPH West MI - GR Marathon -- Captain & Angel Registration

Sun, Oct 18, 2026

Grand Rapids, Michigan

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5Ks in Grand Rapids 10Ks in Grand Rapids Marathons in Grand Rapids Trail Races in Grand Rapids All races in Michigan Half Marathons in Grand Rapids (all months)