The 2011 Detroit Polar Plunge will start with registration from 10:00 a.m. - 12:00 p.m. at the Renaissance Center. Shuttle service provided by The Night Move begins at 10:00 a.m. The plunge starts at 11:30 a.m. at Milliken State Park and the post plunge party and awards following at 1:00 p.m. at the Renaissance Center.