10K races in Oregon — September 2026
18 upcoming 10K races in Oregon during September 2026.
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This calendar in numbers
This calendar currently lists 18 upcoming events, from Sep 5, 2026 to Sep 28, 2026. September is the busiest month, with 18 events scheduled. Events are spread across 16 different locations; Seattle hosts the most (2). Course distances range from 5 km to 10 km.