 Nerud spent the bulk of his 44-year training career (1935–1978) as a trainer, president and general manager for William L. McKnight's Tartan Farms in Ocala, Florida.When Nerud retired from training in 1978, he remained at Tartan as manager of racing and breeding.As a trainer, Nerud first drew national attention in 1956 after prepping Switch On to win the Palm Beach and McLennan Handicaps.