McCain was a member of the men’s 2000 U.S. Olympic Team and was an alternate on the 2004 Olympic squad. He was a member of the 2001 silver medal World Championships Team, as well as the squads for the 1994, 1996, and 1999 World Championships. In addition to the team silver medal, he finished fourth in the floor exercise and was an all-around finalist at the 2001 World Championships.
The men’s team finished fifth at the 2000 Olympic Games and the 1999 World Championships. McCain was third on pommel horse at the 2004 U.S. Visa Championships, third on high bar at the 2003 U.S. Championships, and third in the all-around and parallel bars (tie) at the 2001 U.S. Championships. The UCLA graduate also maintained a gymnastics website, “American Gymnast,” with former national team member Jay Thornton.