Half marathons in Houston

16 upcoming half marathons in Houston. Filter by date, exact distance, or elevation.

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This calendar in numbers

This calendar currently lists 16 upcoming events, from Sep 26, 2026 to Feb 27, 2027. October is the busiest month, with 4 events scheduled. Events are spread across 8 different locations; Houston hosts the most (6). Course distances range from 12 km to 21.1 km.