Half marathons in December 2026

29 upcoming half marathons happening worldwide in December 2026. Filter by country, exact distance, or elevation.

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This calendar in numbers

This calendar currently lists 29 upcoming events, from Dec 1, 2026 to Dec 31, 2026. December is the busiest month, with 29 events scheduled. Events are spread across 27 different locations; Preixana hosts the most (2). Course distances range from 11 km to 21.1 km.