Seafair Weekend 2025. Established in 1950, seafair weekend is the culmination of the. Seafair weekend is seattle’s premier boating event, air show, and festival all rolled into one.
Winning the apollo mechanical cup hydroplane race is the goal of every team competing in the world’s fastest racing boats, and there is no better place or time to host that competition than the iconic seafair festival weekend. Seafair weekend is seattle’s premier boating event, air show, and festival all rolled into one.