1977 North American Championships - IFBB

Overall Winner
Mike Mentzer

HeavyWeight

1 Darcy Beccles

2 Dave Dupree

3 Ray Mentzer

MiddleWeight

1 Mike Mentzer

2 Arthur Barker

3 Manuel Elizondo

LightWeight

1 Henry Caulker

2 Ray Beaulieu

3 Marc Thomas (1)