Gustavo Mazariegos

2004

Central American and Caribbean Championships - IFBB, MiddleWeight, 7th

2007

World Amateur Championships - IFBB, MiddleWeight, Did not place

2008

World Amateur Championships - IFBB, Light-HeavyWeight, Did not place

2010

Central American and Caribbean Championships - IFBB, Light-MiddleWeight, Did not place

2012

Central American and Caribbean Championships - IFBB, Light-HeavyWeight, 7th
World Amateur Championships - IFBB, MiddleWeight, Did not place

2015

Central American and Caribbean Championships - IFBB, Light-HeavyWeight, 10th