Jason Lassen is an American pool and open water swimmer
who set the record in swimming breaststroke
across the Catalina Channel
from Santa Catalina Island
to the California mainland
in 15 hours 59 minutes, using all breaststroke
in the 20.2-mile channel without the benefit of GPS
He did not complete his first attempt to become the first person to swim from Beaver Island in Lake Michigan to the shoreline of Michigan on an 18-mile solo breaststroke swim.