10K races in Washington, United States — 2026 running calendar

Apr

10

The Split

Spokane, Washington, United States

Free - $75.00

Running

Half-Marathon 10K 5K 0.7K +3

Apr

17

Heroes Walk, 5K & 10k Fun Run Presented By Lithia Cdjr and Camp Chevrolet

Spokane, Washington, United States

$10.00 - $25.00

Running

5K 10K Kids Walk & Fun Run +1

Apr

24

Run for Donut Seattle

Seattle, Washington, United States

$30.00 - $45.00

Running

5K 10K Half-Marathon 1.6K +8

Apr

25

Spokane River Run

Nine Mile Falls, Washington, United States

$10.00 - $180.00

Running

5K 10K 25K Ultra +5

May

01

Tacoma City Marathon / Half / Ghost / 10K / 5K / 1K

Tacoma, Washington, United States

$10.00 - $265.00

Running

10K 5K Marathon Half-Marathon +4

May

08

Bainbridge Island Parks & Trails Foundation Trillium Trail Run

Bainbridge Island, Washington, United States

Free - $35.00

Running

10K 5K 1.6K

May

15

Bay View Women's Run

Mount Vernon, Washington, United States

$25.00 - $35.00

Running

3.2K 5K 10K

May

15

Inspiring Hope Run 5k/10k

Mukilteo, Washington, United States

Free - $25.00

Running

5K 10K +1

May

16

Seattle Atatürk Unity Run

Seattle, Washington, United States

Free - $40.00

Running Walking

5K 10K Kids Dash +2

May

16

Windermere Marathon

Spokane, Washington, United States

Free - $100.00

Running

Marathon Half-Marathon 10K 5K +4

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