Registration opens at on Dec. 1, 2015 @ 8 am.


The Vashon Island Ultramarathon & Trail Run is two events in one, a 10 mile trail run and a 50k ultramarathon.  Start small or go big!  Either way train well and join us for some fun on June 4th!

Get Involved

Managed entirely by volunteers, the Vashon Ultra happens only with the generous support of many individuals. Opportunities to help out are plentiful and varied.  Email us at to join the team.

A Runner’s Favorite, Year After Year

“Another outstanding trail race by Vashon Ultra. Thank you to all of the volunteers for such a beautiful and fun day!”

Dana Sturtz2015

“Another fantastic race put on by some of the most genuine, fun-loving runners/people I know! Thanks to you all for organizing and to all of the amazing volunteers!!”

Tara Vanselow2015

“Thanks for the great run yesterday! That was my first 50k and it was so fun to run it where I grew up!”

Jasmine Azpiri2014

“Thank you, Kevin and Bruce, for a wonderful Ultra today! And thank you, Lisa and crew for the yummy food! And thank you to all the volunteers! Great weather, beautiful trails and such nice runners and volunteers! Well done. Thanks also to the Shemata’s for their just-at-the-right-time watermelon aid station. It was awesome.”

Kate Van Houdt2014

“I loved this 50K! I especially enjoyed the cheering turkey and llama immediately after the start. Very, very Vashon.”

Jennifer MacCormack2013

“This race was so much fun! Super well organized, beautiful course, wonderful food. Thanks so much Kevin, Bruce, Lisa and everyone else who worked so hard to give us a good time.”

Sarah Driggs2013

“Thank you to all who helped organize the run yesterday! I had a great time running on the island! All the volunteers were so friendly and helpful and the BBQ was delicious!”

Karen Wiggins2012

“Thanks for putting on great race. Fantastic course with some great single track. Enjoyed it a lot.”

Jason Weekes2012

“Thank you for putting on such a great run! The course was beautiful and the volunteers were amazing. I had such a great time. Thank you again!”

Lisa Switzer2010

“Thanks for putting on such a great race yesterday. The course was well-marked and had tons of variety. The friendly people and home-cooked food at the end capped it off. ”

John Swenson2010

The Vashon Island Ultramarathon & Trail Run is one of the only events on Vashon to connect previously unconnected trail systems which span miles of the islands woods and open space – encompassing local and county parks, natural preserves, and private property, giving participants a truly unique opportunity to explore the beauty that Vashon has to offer.