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

Ninja 5K, 10K, & 13.1M at Camas, WA (32)

Camas, Washington, United States

Aug 8, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Cougar Mountain Trail Run Series (August)

Bellevue, Washington, United States

Aug 8, 2026 (Sat)

$40.00 - $80.00

Trail running, Running

23.3K Marathon 5K

Ninja 5K, 10K, & 13.1M at Olympia, WA (32)

Olympia, Washington, United States

Aug 8, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Everett, WA (32)

Everett, Washington, United States

Aug 8, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

SUMMER SPLASH 5K

Richland, Washington, United States

Aug 8, 2026 (Sat)

Running

5K 0.8K

Here and Now Project 5K for Today

Puyallup, Washington, United States

Aug 9, 2026 (Sun) – Aug 16, 2026

$50.00

Running

5K

Widdy's Work presents Stomp Out the Stigma

Lakewood, Washington, United States

Aug 9, 2026 (Sun)

$22.00 - $34.00

Running

5K 1.6K

Girlfriends Triathlon & Fitness Festival

Vancouver, Washington, United States

Aug 9, 2026 (Sun)

$50.00 - $57.00

Running

5K

Mimosa 5K

Puyallup, Washington, United States

Aug 9, 2026 (Sun)

$40.00

Running

5K

Ninja 5K, 10K, 13.1M at Pasco, WA (33)

Pasco, Washington, United States

Aug 15, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K & 13.1M at Everett, WA (33)

Everett, Washington, United States

Aug 15, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Bagel Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Aug 15, 2026 (Sat) – Oct 10, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8