James I. Nazworthy (September 3, 1926 â February 21, 1974) was an American Thoroughbred horse racing trainer.
Nazworthy began training horses at age twenty-one. Based in California, among his successful runners, he conditioned horses for owners such as Fannie Hertz, Travis Kerr, as well for his wife's Sledge Stable. https://web.archive.org/web/20071012032422/http://www.ntra.com/stats_bios.aspx?id=3650
He died in 1974 of a heart attack at age forty-seven. The Los Angeles Times February 23, 1974 obituary called Nazworthy "one of California's foremost trainers."
A resident of Arcadia, California, he was survived by his wife, Maxine, a daughter of Sidney B. Factor, and their son, David.