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Vashon Island Ultramarathon & Trail Run

Vashon, United States • 6 Jun 2026

Vashon Island Ultramarathon & Trail Run takes place on Vashon Island, Washington, offering 50K, 20-mile, and 10-mile options from the Gateway Trail system near SW 178th and 103rd SW. The rolling course is mostly single- and double-track trails with dirt roads and grassy shoulders, about 770 feet of elevation per loop. Runners pass Island Center Forest and other features, with aid stations and private-property sections marked by maps. The event is Trail Sisters Approved, USATF-sanctioned, and run by a nonprofit supporting island youth athletics; Friday camping is available for participants. Visit the organization's website for the most recent information.

United States Washington Vashon

Race information

Website Registration
50 km
770 m+
50k
20 mi
770 m+
20 Miler
10 mi
770 m+
10 Miler
Visit the organization's website for the most recent information.
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