Half-Marathon races in Washington, United States — 2026 running calendar

Twilight at the Bay

University Place, Washington, United States

15 Aug, 2026 (Sat)

$48.00 - $88.00

Running

Half-Marathon 10K 5K

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

Everett, Washington, United States

15 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Kirk-Wood Half Marathon

Kirkland, Washington, United States

22 Aug, 2026 (Sat)

$85.00

Running

Half-Marathon

Children of the Sun Half Marathon

Spokane, Washington, United States

22 Aug, 2026 (Sat)

$29.00 - $49.00

Running

Half-Marathon 10K 5K

Ninja 5K, 10K, & 13.1M at Olympia, WA (34)

Olympia, Washington, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Spokane, WA (34)

Spokane, Washington, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Ninja 5K, 10K, & 13.1M at Camas, WA (34)

Camas, Washington, United States

22 Aug, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

PeaceHealth Appletree Marathon

Vancouver, Washington, United States

29 Aug, 2026 (Sat) – 30 Aug, 2026

$50.00 - $139.00

Running

5K Marathon Half-Marathon +2

Run to Breast Cancer 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

29 Aug, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Iron Horse Half Marathon

North Bend, Washington, United States

30 Aug, 2026 (Sun)

$52.00 - $97.00

Running

Half-Marathon

Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)

Everett, Washington, United States

05 Sep, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

Redmond Harvest Half Marathon

Redmond, Washington, United States

07 Sep, 2026 (Mon)

$59.00

Running

Half-Marathon