| Personal information | |
|---|---|
| Nickname | The Shark |
| Born | August 16, 1963 |
| Website | www.jimthesharkdreyer.com |
| Sport | |
| Sport | Swimming |
| Strokes | Open water swimming |
Jim Dreyer (born August 16, 1963), self described as The Shark, is an ultra marathon swimmer.
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.