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

May

02

Kirkland Half Marathon & 5K

Kirkland, Washington, United States

$12.00 - $81.00

Running

5K Half-Marathon 1K

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

Big River Race

Pasco, Washington, United States

Free - $55.00

Running

Half-Marathon 10K 5K 1.6K +1

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

Jul

24

Jack & Jill Marathon & Half

Snoqualmie Pass, Washington, United States

Running

Marathon Half-Marathon

Aug

01

Craft Classic Seattle

Redmond, Washington, United States

$41.00 - $87.00

Running

Half-Marathon 5K

Sep

05

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

Everett, Washington, United States

Running

5K 10K Half-Marathon

Aug

30

Iron Horse Half Marathon

North Bend, Washington, United States

Running

Half-Marathon

Aug

29

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (35)

Vancouver, Washington, United States

Running

5K 10K Half-Marathon

Aug

29

PeaceHealth Appletree Marathon

Vancouver, Washington, United States

Running

5K Marathon Half-Marathon +2

Aug

29

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

Seattle, Washington, United States

Running

5K 10K Half-Marathon 1.6K +2