Half marathons in United States — October 2026

39 upcoming half marathons in United States during October 2026.

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This calendar in numbers

This calendar currently lists 39 upcoming events, from Oct 3, 2026 to Oct 24, 2026. October is the busiest month, with 39 events scheduled. Events are spread across 37 different locations; Greenville hosts the most (2). Course distances range from 15 km to 21.1 km.