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

Sep

19

Fall - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

$125.00 - $135.00

Running

Marathon Half-Marathon

Sep

19

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (38)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Sep

19

Orca Half Marathon

Seattle, Washington, United States

$91.00 - $183.00

Running

Half-Marathon 12.9K +1

Sep

19

Anacortes Half Marathon & 5k

Anacortes, Washington, United States

$34.50 - $84.50

Running

Half-Marathon 5K

Sep

19

Medal Madness 5K, 10K, 13.1M at Pasco, WA (38)

Pasco, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Sep

20

Bellingham Bay Marathon

Bellingham, Washington, United States

$45.00 - $260.00

Running

Marathon Half-Marathon 10K 5K +2

Sep

20

Quilcene Oyster Races

Quilcene, Washington, United States

$30.00 - $60.00

Running

Half-Marathon 10K 5K +2

Sep

26

Pacific Coast Running Festival

Long Beach, Washington, United States

$22.00 - $107.00

Running

5K Half-Marathon 10K Marathon +6

Sep

26

Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Sep

26

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (39)

Spokane, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Sep

26

Medal Madness 5K, 10K & 13.1M at Camas, WA (39)

Camas, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

Sep

26

Colbert Autumn Classic Half Marathon & 4-Mile Loop

Colbert, Washington, United States

$25.00 - $50.00

Running

Half-Marathon 6.4K