West Coast Giant Pumpkin Regatta 📅 Sunday, Oct 18 · 10:00 AM 📍 Lake of the Commons, 8325 SW Nyberg St, Tualatin 🗓️ Local Events — Portland Metro · 🏛️ via City of Tualatin Parks & Recreation · official site ↗ One of America's strangest fall festivals: costumed racers paddle hollowed-out 1,000-pound pumpkins across Tualatin's Lake of the Commons. Festival from 10am with pumpkin bowling, golf and checkers, costume contests, crafts and food trucks; pumpkin races at noon and 2pm. Free admission.