Half marathons in United States — December 2026

53 upcoming half marathons in United States during December 2026.

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This calendar in numbers

This calendar currently lists 53 upcoming events, from Dec 4, 2026 to Dec 27, 2026. December is the busiest month, with 53 events scheduled. Events are spread across 51 different locations; Dallas hosts the most (3). Course distances range from 12 km to 21.1 km.