Join the Top O’ Michigan Outboard Racing Club (TOMORC) this August for the 78th 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.
Top O’ Michigan Outboard Marathon Nationals
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.
August 8-9, 2026
All Day
The Inland Waterway
