Half-Marathon 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

Tunnel Vision Marathon & Half Marathon

Snoqualmie Pass, Washington, United States

Aug 9, 2026 (Sun)

Running

Marathon Half-Marathon

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

Vancouver, 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

Twilight at the Bay

University Place, Washington, United States

Aug 15, 2026 (Sat)

$48.00 - $88.00

Running

Half-Marathon 10K 5K

Popsicle 5K/10K/Half - Portland (Washougal)

Washougal, Washington, United States

Aug 15, 2026 (Sat)

$35.00 - $60.00

Running

5K 10K Half-Marathon +5

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

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

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

Seattle, Washington, United States

Aug 15, 2026 (Sat)

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Children of the Sun Half Marathon

Spokane, Washington, United States

Aug 22, 2026 (Sat)

$29.00 - $49.00

Running

Half-Marathon 10K 5K

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

Olympia, Washington, United States

Aug 22, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon

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

Spokane, Washington, United States

Aug 22, 2026 (Sat)

$30.00 - $65.00

Running

5K 10K Half-Marathon