Vashon Island Ultramarathon & Trail Run
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Vashon Island Ultramarathon & Trail Run : June 5, 2027
This trail running event takes place on Vashon Island, Washington, using the Gateway Trail system and surrounding parklands near SW 178th and 103rd SW. Distances offered are:
- 50K
- 20 Miler
- 10 Miler
The 50K is three loops of the course, the 20 Miler is two loops, and the 10 Miler is one loop. The course travels single track and double track park trails, dirt roads, gravel driveways, grass shoulders, and short paved sections. Elevation change is about 770 feet per loop and the course includes short steep hills, rooty sections, downed logs, and quick turns. Runners will encounter both public and private land; the route is permitted but not closed to other trail users. Participants should expect to encounter equestrians, pedestrians, and bicyclists.
Aid and facilities: porta potties are located at 0, 0.5, 1.4 and 6 miles. Aid stations are at approximately miles 6 and 10, and 50K runners pass each aid station three times. Base camp returns occur about every ten miles with space for drop bags; a Land Trust aid station at 6/16/26 miles may accept transported drop bags. Typical aid offerings include water, sports drinks, fruit, sandwiches, gels, and snacks.
The event is USATF sanctioned, run by a Washington State nonprofit 501(c)(3), and limits participants to 200. There are no refunds; entry transfers are allowed until the stated cut-off date. Day of race registration is available with 50K registrants processed first then 10 and 20 Miler registrants. Visit the organization's website for the most recent information.
