Retired from driving in 1962 and then ran the Indianapolis Speedrome with Gene Hartley, before selling it in 1977, allowing Leroy to live a content retirement in Florida for many years. Warriner was the 1953 AAA National Midget Racing Champion and a frequent winner in the discipline, not only in America but also in Australia and New Zealand, where he also raced. He was inducted into the National Midget Racing Hall of Fame in 1988. He was inducted into the Indianapolis Speedrome Hall of Fame in 1993. He was also a member of Plainfield United Methodist Church and the Indianapolis 500 Old Timers Club. He died of a heart-attack just two days into 2003.

Biography last updated 16 Aug 2017