Saturday, July 18th, 2026
26015 E Main Dr, Sammamish WA
About this race
OUTLAST is a 6-hour trail endurance challenge where runners complete a 5K every hour, on the hour. Each lap must be finished within the hour to stay in the event. If you finish early, you rest until the next round. Miss a lap, and you’re out.
Complete all six rounds, and you OUTLAST.
For more details and to register for the race, visit the official OUTLAST SEATTLE page.
Train with a club
Run clubs near Sammamish to train with before race day.
Organize this race?
Claim it free to manage the listing. Want more signups? Feature it to put it in front of more runners.