Trail Races & Ultramarathons in Washington
As of October 6, 2026, Crewable lists 71 upcoming trail races and ultramarathons in Washington from October 2026 to September 2027. The next is Defiance 50K / 30K / 15K on October 10 in Tacoma. Registration is open for 10. One advertises prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
1 aid1 aid
2 aid2 aid
2 aidRace calendar
October 2026
16 racesNovember 2026
11 racesDecember 2026
5 racesFebruary 2027
2 racesMarch 2027
6 racesApril 2027
4 racesMay 2027
6 racesTiger Claw
Issaquah, WA
June 2027
8 racesJuly 2027
4 racesAugust 2027
7 races5K FEST
Bonney Lake, WA
September 2027
2 racesQuick answers
What is the next trail race or ultramarathon in Washington?
Defiance 50K / 30K / 15K, on Saturday, October 10, 2026, in Tacoma. Distances: 50K, 30K, 15K.
How many trail races and ultramarathons in Washington have open registration?
10 of the 71 list registration as open as of October 6, 2026, including Defiance 50K / 30K / 15K, SpiritWalk & Warrior Run 2026 and Carkeek 12 Hour.
Which trail races and ultramarathons in Washington offer prize money?
One race advertises prize money: Lord of the Hill ($250).
How many of the trail races in Washington are ultramarathons?
49 of the 71 are ultramarathons (longer than a marathon, or a backyard, timed or 200+ mile format). The other 22 are shorter races.
What is the busiest month for trail races and ultramarathons in Washington?
October 2026, with 16 of the 71. November 2026 follows with 11.
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