Len Walters won the Canadian open bantamweight championship in 1949 and 1952. He amassed an amateur record of 139-10 and a pro record of 14-4 in a 13-year boxing career. Walters won four B.C. senior and two national titles, while also capturing the U.S. featherweight title in 1951, only the third Canadian to do so.

He competed for Canada at the Commonwealth and Olympic Games in the 1950s. He is the father of fellow Burnaby Sports Hall of Fame honoured member Dale Walters. They were both inducted in 2003.