10K races in Seattle

16 upcoming 10K races in Seattle. Filter by date, exact distance, or elevation.

Half marathons in SeattleMarathons in SeattleUltras in SeattleAll distances in Seattle

Browse by month

JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

This calendar in numbers

This calendar currently lists 16 upcoming events, from Sep 26, 2026 to Aug 8, 2027. October is the busiest month, with 5 events scheduled. Events are spread across 10 different locations; Seattle hosts the most (4). Course distances range from 5 km to 10 km.