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

Captain Jack's Treasure Run

Redmond, Washington, United States

25 Oct, 2026 (Sun)

$45.00 - $55.00

Running

5K 8K 12K

Run Scared

Seattle, Washington, United States

25 Oct, 2026 (Sun)

$40.00 - $50.00

Running

10K 5K 4K

Haunted Hustle 5K & 10K

Puyallup, Washington, United States

31 Oct, 2026 (Sat)

$35.00 - $40.00

Running

5K 10K

Cougar Mountain Trail Run Series (October)

Bellevue, Washington, United States

31 Oct, 2026 (Sat)

$40.00 - $100.00

Trail running

Ultra 31.4K 12.2K 5K

Wicked Fast 5K & 10K

Tacoma, Washington, United States

31 Oct, 2026 (Sat)

$15.00 - $52.50

Running

10K 5K 1K

Swing the Gates 5k and 10k

Oak Harbor, Washington, United States

31 Oct, 2026 (Sat)

$30.00 - $120.00

Running, Trail running

5K 10K

Trick or Treat 5k

Seattle, Washington, United States

31 Oct, 2026 (Sat)

Free - $33.00

Running

5K

Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

PB&J Fuel Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

31 Oct, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Gobbler 5K, 10K, & 13.1M at Everett, WA (45)

Everett, Washington, United States

07 Nov, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Run the Bay

University Place, Washington, United States

08 Nov, 2026 (Sun)

$43.00 - $83.00

Running

Half-Marathon 10K 5K

Gobbler 5K, 10K, & 13.1M at Everett, WA (46)

Everett, Washington, United States

14 Nov, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon