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

Nov

28

2026 Seattle Ghost Marathon, Half & 50K

Seattle, Washington, United States

$165.00

Running Trail running

Marathon Half-Marathon Ultra

Jun

19

Jasper Mountain Trail Fest

Dayton, Washington, United States

$30.00 - $70.00

Trail running

Half-Marathon Marathon 6.9K

Sep

26

Fidalgo Trail Run

Anacortes, Washington, United States

Trail running Running

8K Half-Marathon Marathon 1K

Aug

29

Backcountry Rise

Toutle, Washington, United States

Trail running

Ultra Half-Marathon 32.2K

Jul

11

Devils Gulch

Wenatchee, Washington, United States

Trail running

Ultra Half-Marathon

Jun

27

Tiger Peak Challenge

Issaquah, Washington, United States

Trail running Running

8K Half-Marathon Ultra 1K

May

30

Echo Valley

Chelan, Washington, United States

Trail running Running

10K Half-Marathon Ultra 1.6K +3

May

16

Soaring Eagle Trail Run

Sammamish, Washington, United States

Trail running Running

5K Half-Marathon 10K 1K +2