Half marathons in Maryland

23 upcoming half marathons in Maryland. Filter by date, exact distance, or elevation.

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This calendar in numbers

This calendar currently lists 23 upcoming events, from Sep 26, 2026 to May 1, 2027. October is the busiest month, with 6 events scheduled. Events are spread across 19 different locations; Washington hosts the most (3). Course distances range from 16.1 km to 21.1 km.