5K races in Washington, United States — 2026 trail running calendar

Sep

13

Mt. Spokane Trail Run

Mead, Washington, United States

Free - $125.00

Trail running

25K 10K 5K 0.8K

Oct

03

North Bend Trail Fest 30k - 10k

North Bend, Washington, United States

Trail running

5K North Bend Double 30K 10K +2

Oct

10

SpiritWalk & Warrior Run

Seattle, Washington, United States

Free - $40.00

Trail running Walking

5K 2K

Oct

31

Swing the Gates 5k and 10k

Oak Harbor, Washington, United States

$30.00 - $120.00

Running Trail running

5K 10K

Oct

31

Cougar Mountain Trail Run Series (October)

Bellevue, Washington, United States

$40.00 - $100.00

Trail running

Ultra 31.4K 12.2K 5K

Nov

08

Wild Moose Chase

Nine Mile Falls, Washington, United States

$25.00 - $75.00

Trail running

25K 10K 5K 0.8K

Aug

08

Cougar Mountain Trail Run Series (August)

Bellevue, Washington, United States

Trail running Running

23.3K Marathon 5K

Jul

29

Rams Twilight Trail Run

Chattaroy, Washington, United States

Trail running

5K

Jul

11

Cougar Mountain Trail Run Series (July)

Bellevue, Washington, United States

Trail running

17.4K 31.4K 5K

Jun

13

Cougar Mountain Trail Run Series (June)

Bellevue, Washington, United States

Trail running

13.2K 23.3K 5K

May

23

Leavenworth Trail Fest

Leavenworth, Washington, United States

Trail running

Ultra 5K 27K 25K +1

May

16

Soaring Eagle Trail Run

Sammamish, Washington, United States

Trail running Running

5K Half-Marathon 10K 1K +2