Berry says he was not paid a lot to be on the cereal box but says it was good money for a university student. He is studying accounting at Massey University in Auckland and will graduate in June.
He's also training for the national triathalon and duathalon championships in March.
"I have a wee way to go before the big time, I only have one sponsor," said Berry.
Only an elite group of athletes have made an appearance on cereal boxes including swimmer Michael Phelps on Corn Flakes and basketball superstar Michael Jordan and golfer Tiger Woods, who have appeared on the box of American cereal Wheaties.