IFBB North American Bodybuilding Championships Sep. 9, 1977
,
Men
Overall Winner
Michael Mentzer
Heavyweight
1. Darcy Beccles
2. Dave DuPre
3. Ray Mentzer
Middleweight
1. Michael Mentzer
2. Arthur Barker
3. Manuel Elizondo
Lightweight
1. Henry Caulker
2. Ray Beaulieu
3. Marc Thomas