Karlo Hmeljak was the Youth European champion in the 470 class three years in a row. He also competed at the Olympics in two different classes, first in the 470 class in Beijing 2008 and in the Laser in London 2012. Karlo won 2nd place in the World Championship in Melges 32 class in 2019, and 2nd place in World Championship J / 70 class in 2015.
|8||2019 J/70 World Championship||Royal Torbay Yacht Club, GBR||J/70 Open||2019|
|8||Audi RS - SB20 World Championship||Hyeres, FRA||SB20 – Open||2013|
|1||Soling World Championship||Scarlino, ITA||Soling - Open||2008|
|6||470 Junior World Championship||Riva Del Garda, ITA||470 - Open||2004|
|4||Nesquik - IODA Optimist World Championships||Langebaan, RSA||Optimist - Open||1996|
* C = IZBOR POTRJEN TBC = IZBOR ŠE NI POTRJEN