10K races in Washington, United States — 2026 running calendar

Longview Early Edition Rotary Harvest Classic

Longview, Washington, United States

Oct 3, 2026 (Sat)

Free - $30.00

Running

5K 10K 0.4K

Poulsbo Half Marathon & 10k

Poulsbo, Washington, United States

Oct 4, 2026 (Sun)

$68.00 - $95.00

Running

Half-Marathon 10K

Haunted 5K, 10K & 13.1M at Camas, WA (41)

Camas, Washington, United States

Oct 10, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Haunted 5K, 10K, & 13.1M at Everett WA (41)

Everett, Washington, United States

Oct 10, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Haunted 5K, 10K & 13.1M at Olympia, WA (41)

Olympia, Washington, United States

Oct 10, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

Oct 10, 2026 (Sat) – Nov 28, 2026

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Hope and Heroes Run

Redmond, Washington, United States

Oct 11, 2026 (Sun)

$2.00 - $41.00

Running, Walking

0.6K 5K 10K Virtual Heroic Sip N Stroll +3

The Spokane Marathon

Spokane, Washington, United States

Oct 11, 2026 (Sun)

Free - $125.00

Running

Marathon Half-Marathon 10K 0.5K +1

Pumpkin Spice Run

Seattle, Washington, United States

Oct 11, 2026 (Sun)

$33.00 - $54.00

Running

10K 5K 1.6K

The Snohomish River Run Marathon, Half Marathon, 10K and 5K

Snohomish, Washington, United States

Oct 11, 2026 (Sun)

$55.00 - $115.00

Running

5K 10K Half-Marathon Marathon

Haunted 5K, 10K, & 13.1M at Pasco, WA (42)

Pasco, Washington, United States

Oct 17, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Haunted 5K, 10K & 13.1M at Everett, WA (42)

Everett, Washington, United States

Oct 17, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon