(CNN)Sir Winston, ridden by Joel Rosario, won the Belmont Stakes, the third contest in US horse racing's Triple Crown.
Sir Winston wins Belmont Stakes to give trainer second Triple Crown race win this season
The win gave trainer Mark Casse a second Triple Crown win this season.
Race favorite Tacitus was second and Joevia was third in Saturday's contest.
The winning time for the 1 1/2-mile race was 2:28.30, four seconds off the record set by Secretariat in 1973.
"He's a very nice horse. You have to let him do his thing," Rosario told race broadcaster NBC. "I just took my time with him."
Rosario also rode Tonalist to a Belmont win in 2014.