Watch top teams of paddlers race outriggers (a canoe with a buoyancy arm attached to one side) around New York Harbor. For the 17th annual competition, host organization New York Outrigger is throwing a free all-day family affair on Pier 26 at Hudson River Park by the start and finish lines. While crews are sweating through the 15-mile course, sample traditional Polynesian culture at lei-making, ukulele and dance lessons, or see how an outrigger handles out on the water by practicing rope tying and paddling. Visit newyorkoutrigger.org/novices for updates and registration. All ages.