Michael R. Matz is an American race horse trainer and former Olympic equestrian team member who was inducted into the show jumping Hall of Fame. He lives in Coatesville, Pennsylvania. As a trainer, he has scored two wins in the Classics, the 2012 Belmont Stakes with Union Rags and the 2006 Kentucky Derby with Barbaro. Matz also was named "person of the week" by ABC News for his heroism in saving four children from the crash of United Airlines Flight 232 in 1989 on which he was a passenger.

The 2012 Belmont Stakes was the 144th running of the Belmont Stakes and the race was won by Union Rags ridden by jockey John Velazquez. It was broadcast in the United States by NBC. The post time was scheduled for 6:35 p.m. EDT.