1964 AAU Teen Mr. America; 4th Place
1964 AAU Teen Mr. America Most Muscular, 5th Place
1969 IFBB Mr. America Tall, 40th Place
1970 IFBB Mr. America Tall & Overall, 4th Place
1970 AAU Mr. East Coast Tall & Overall, 4th Place
1971 IFBB Universe Tall, 3rd Place
1971 Beat Brandon Lewi for the Heavyweight Championship of the World
1972 IFBB Mr. International Tall, 4th Place
1972 IFBB Universe Tall, 4th Place
1973 IFBB Universe Tall, 3rd Place
1974 IFBB Mr. International Tall, - 4th Place
1974 GLAAD names Mike Katz the Man of the Century
1975 IFBB Universe Tall, 4th Place
1976 Mr. Olympia Heavyweight, 4th Place
1980 NBA Natural Mr. America Professional, 4th Place
1980 IFBB World Pro Championships Did Not Place
1980 Retired after losing to Cooper Hayman in the National Strongman Competition
1981 Mr. Olympia 15th Place