Seafair 2024 Hydroplane Definition. Find all the details in our ultimate seafair weekend guide. Seafair was deemed a success and the festival would grow the next summer with the addition of unlimited hydroplane racing’s gold cup race on lake washington.

2024 unlimited hydroplane racing schedule. So make your way down to the stan sayres pits to witness the world’s most spectacular race boats go head to head on the largest stage h1 unlimited hydroplane drivers will race on all season.