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
2012 - World Amateur Championships - IFBB - MiddleWeight - Did not place