10K races in Oregon — October 2026

16 upcoming 10K races in Oregon during October 2026.

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This calendar in numbers

This calendar currently lists 16 upcoming events, from Oct 3, 2026 to Oct 24, 2026. October is the busiest month, with 16 events scheduled. Events are spread across 15 different locations; Portland hosts the most (2). Course distances range from 5 km to 10 km.