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

May

16

Annie Curtis Half Marathon & 5K

Anacortes, Washington, United States

$10.00 - $60.00

Running

Half-Marathon 5K 1.6K

May

16

Windermere Marathon

Spokane, Washington, United States

Free - $100.00

Running

Marathon Half-Marathon 10K 5K +4

May

23

Evergreen Half and 5 Mile

Snohomish, Washington, United States

Running

Half-Marathon 8K

May

29

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (22)

Vancouver, Washington, United States

$30.00 - $65.00

Running

5K 10K Half-Marathon

May

29

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington, United States

$85.00 - $95.00

Running

Marathon Half-Marathon

May

29

Big River Race

Pasco, Washington, United States

Free - $55.00

Running

Half-Marathon 10K 5K 1.6K +1

May

29

SuperHeroes Run Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Jun

05

North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Port Angeles, Washington, United States

$15.00 - $275.00

Running Walking

5K 10K 1.9K Half-Marathon +5

Jun

06

The Great Ferry Race

Bainbridge Island, Washington, United States

$92.00

Running

Half-Marathon

Jun

13

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington, United States

$25.00 - $75.00

Running

Marathon Half-Marathon

Jun

19

Run Juneteenth Day 5K/10K/13.1 Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +2

Jun

19

Super Hyak Marathon and Half

North Bend, Washington, United States

Running

Marathon Half-Marathon