Charles Duffy

2010

American International - NGA, Masters 35+, 5th
American International - NGA, MiddleWeight, 3rd
Musclemania Canada, 2nd
Musclemania Worlds, LightWeight, 16th

2012

American International - NGA, Masters 40+, 1st
American International - NGA, MiddleWeight, 6th
World Championships - IDFA, Masters, 4th

2013

World Championships - INBF, LightWeight, 7th
World Championships - INBF, Masters 40+, 3rd

2015

Canadian Natural Championships - CBBF, Masters 40+, 7th
International Championships - IDFA, Bodybuilding, 2nd
World Championships - IDFA, Bodybuilding, 3rd
World Championships - IDFA, Masters, 2nd

2016

Canadian Natural Championships - CBBF, Masters 40+, 5th

2018

Arnold Amateur - IFBB, Classic B, Did not place
Arnold Amateur - IFBB, Light-HeavyWeight, Did not place