5K races in Washington, United States — 2026 running calendar

Mill Town Half Marathon, 10K and 5K

Everett, Washington, United States

28 Mar, 2027 (Sun)

$45.00 - $75.00

Running

Half-Marathon 10K 5K Military or Veteran Half Marathon +2

Run Forest Run 5k

Seattle, Washington, United States

28 Mar, 2027 (Sun)

Free - $35.00

Running

5K

Run the River

Kennewick, Washington, United States

16 Apr, 2027 (Fri) – 17 Apr, 2027

$15.00 - $140.00

Running

1.9K Marathon Half-Marathon 5K +2

I love the 90s 5k

Seattle, Washington, United States

18 Apr, 2027 (Sun)

Free - $33.00

Running

5K

Lisa Race Day Certification

Bonney Lake, Washington, United States

30 Mar, 2030 (Sat)

Running

5K

Aaron Race Day Cert

Anacortes, Washington, United States

30 Mar, 2030 (Sat)

Running

5K

RaceDay Certification (Crystal Kampling)

liverpool, Washington, United States

30 Mar, 2030 (Sat)

Running

5K

Ten Trails Active Club Group Runs & Activities

Black Diamond, Washington, United States

28 Oct, 2035 (Sun)

Free

Running

4.8K 11.3K

The Big Run Presented by Brooks & Fleet Feet Tri-Cities

Richland, Washington, United States

03 Jun, 2026 (Wed)

Running

5K

The Big Run 5K Presented by Brooks & Fleet Feet Bonney Lake

Bonney Lake, Washington, United States

03 Jun, 2026 (Wed)

Running

5K

The Big Run 5K Presented by Brooks & Fleet Feet Olympia

Olympia, Washington, United States

03 Jun, 2026 (Wed)

Running

5K

The Big Run 5K Presented by Brooks & Fleet Feet Puyallup

Puyallup, Washington, United States

03 Jun, 2026 (Wed)

Running

5K