Join the Top O’ Michigan Outboard Racing Club (Tomorc) this August 8th and 9th, 2020 for the 72nd 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 7th from 5 to 8 pm at Marina park. You can pick up race information at the Indian River Chamber of Commerce . Register also free grammar check on Saturday, 8-9 am at the race pits.