Ultramarathons in Washington
As of October 6, 2026, Crewable lists 49 upcoming 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 5. One advertises prize money.
Sources: UltraSignup, RunSignUp, UTMB, race organizers and race websites
With aid station data
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1 aidRace calendar
October 2026
10 racesNovember 2026
4 racesDecember 2026
4 racesFebruary 2027
2 racesMarch 2027
3 racesApril 2027
4 racesMay 2027
4 racesJune 2027
8 racesJuly 2027
3 racesAugust 2027
5 racesSeptember 2027
2 racesQuick answers
What is the next ultramarathon in Washington?
Defiance 50K / 30K / 15K, on Saturday, October 10, 2026, in Tacoma. Distances: 50K, 30K, 15K.
How many ultramarathons in Washington have open registration?
5 of the 49 list registration as open as of October 6, 2026, including Defiance 50K / 30K / 15K, Carkeek 12 Hour and Salt Creek 24.
Which ultramarathons in Washington offer prize money?
One race advertises prize money: Lord of the Hill ($250).
What is the busiest month for ultramarathons in Washington?
October 2026, with 10 of the 49. June 2027 follows with 8.
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