The Vashon Island Ultramarathon & Trail Run will take place on Saturday, June 6, 2026, with the 50 km starting at 8:30 AM and the 20‑mile and 10‑mile races starting at 9:30 AM. The start/finish is at the Gateway Trail system near SW 178th and 103rd SW on Vashon Island, WA. The 50 km course consists of three loops (approximately 10.3 miles per loop) with about 770 feet of elevation gain per loop, while the 20‑miler and 10‑miler follow portions of the same course. The terrain includes single‑track, double‑track, dirt roads, gravel driveways, grass shoulders, and short paved sections.
| Distance | Start Time | Cut‑off | Course Close | Terrain | Notes |
|---|---|---|---|---|---|
| 50 km | 8:30 AM | Last loop cutoff at 2:30 PM | 5:30 PM | Rolling, ~770 ft gain per loop, some steep hills | 3 loops; guaranteed snow‑free |
| 20 Miler | 9:30 AM | — | 5:30 PM | Same as 50 km | — |
| 10 Miler | 9:30 AM | — | 5:30 PM | Same as 50 km | — |
All participants must follow event rules, including USATF Safe Sport policies and the Minor Athlete Abuse Prevention Policies (MAAPP). This is a foot race; dogs are not allowed on course due to wildlife sanctuary restrictions. Portable music players are allowed only if used with care. The course is open to the public; runners may encounter equestrians, pedestrians, and bicyclists and must yield to motorized traffic. No refunds are offered, but roll‑overs may be granted for reasons outside the runner’s control (contact the Race Director). Day‑of‑race registration is available (50 km registrants first, then 10 and 20 mile).
Live tracking is available through UltraSignup. A course map and GPX file will be emailed to entrants one week prior to the event. The course is fully permitted but not exclusive; runners should be courteous on private property sections.
The Vashon Island Ultramarathon & Trail Run on June 6, 2026, offers a 50 km, 20‑mile, and 10‑mile trail race on rolling, rooty, single‑track and double‑track trails, with team competitions, youth scholarships, Trail Sister Approved status, aid stations with extensive food, and camping available.
Jun 06, 2026
Distance — 50K
Type — Running
08:30
$95.00
Jun 06, 2026
Distance — 16.1K
Type — Running
09:30
$80.00
Jun 06, 2026
Distance — 32.2K
Type — Running
09:30
$85.00
These values represent the 3-year monthly averages for June in Vashon Island.
Learn more about the host city, Vashon Island.
Vashon Island or Vashon-Maury Island is an island near Seattle, the largest island in the Puget Sound south of Admiralty Inlet. There are no bridges to connect the island with the mainland, a big factor contributing to the island's relative isolation and rural character.
Read more launchWatch highlights and course previews from previous years.
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location_on Gig Harbor, Washington, US
calendar_today Jun 27, 2026
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