Overcoming his performances during the World Cup season, he dominated at the 2011 World Short Track Speed Skating Championships, winning gold in every race except the 500 m, where he did not qualify for the quarterfinals. He won the overall World Championship in his first season on the senior level. In the following week, Noh helped Korea to win 2011 World Team Championships (last one to be scheduled into foreseeable future) in Warsaw, setting a new world record in 3000m in the process.