Seafair Hydroplane Races 2025 Results. Winning the seafair 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. While the boeing seafair airshow has people’s heads in the clouds, the show’s hydroplane racing has them craning their necks across lake washington.

Seven drivers vie for the title at the final hydroplane race of seafair 2025. Www.seafair.org homestreet bank cup —.