Cornerstone Strength Swim - Detroit
From Openwaterpedia
The Cornerstone Strength Swim - Detroit was a 35.4 km self-sufficient swim by Jim Dreyer across Lake St. Clair from Clinton River Boat Club near Algonac, Michigan, to Detroit, Michigan where he towed a full ton of bricks before losing half of his load in rough seas in 51 hours 42 minutes (approximately 18 hours with 2,000 pounds + 33.7 hours with 1,000 pounds). The 2 dinghies carrying the bricks each weighed an additional 100 pounds. Equipment and supplies added approximately another 100 pounds.