10K races in California — September 2026

11 upcoming 10K races in California during September 2026.

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This calendar in numbers

This calendar currently lists 11 upcoming events, from Sep 12, 2026 to Sep 27, 2026. September is the busiest month, with 11 events scheduled. Events are spread across 9 different locations; Los Angeles hosts the most (2). Course distances range from 5 km to 10 km.