Jim Dreyer (born August 16, 1963), self described as The Shark, is an ultra marathon swimmer.
Career
Dreyer completed a 41-hour swim across Lake Michigan in 1998. He failed to repeat the swim in 2023. He failed to complete the route once again the next year due to a his GPS running low on power.
He towed a 906 kg worth of bricks for 35 kilometers from Canada to Detroit in 2013. The swim, which took place in Lake St. Clair, took 54 hours to complete.