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Running Races in Seattle, Washington

Explore running events in Seattle, Washington during December 2025.

Month:December 2025
Type:Choose

Top Events

Run Against Breast Cancer 5k/10k/13.1 Seattle

Run Against Breast Cancer 5k/10k/13.1 Seattle

5K10KHalf-Marathon1 Mile

Seattle, WA

Sat, Dec 13, 2025

7:30 AM PST

Sleigh That 5k

Sleigh That 5k

5K

Seattle, WA

Sat, Dec 20, 2025

10:00 AM PST

New Year's Run 5k/10k/13.1 Seattle

New Year's Run 5k/10k/13.1 Seattle

5K10KHalf-Marathon1 Mile

Seattle, WA

Sat, Dec 27, 2025

7:30 AM PST