Join the Top O’ Michigan Outboard Racing Club (Tomorc) this August 14th and 15th, 2021 for the 73rd Annual Marathon. Over two days of exciting and tough outboard racing in Northern Michigan. The course navigates through 87 miles of Northern Michigan’s beautiful Inland Waterway. Registration will be Friday, August 13th from 5 to 8 pm at Devoe Beach. You can pick up race information at the Indian River Chamber of Commerce . Register also on Saturday, 8-9 am at the race pits.