Del Mar racetrack
The Hollywood Derby continued as a 1 mile turf stakes through 1975, after which it was moved to earlier in the meeting to serve as a Kentucky Derby prep race at 1 miles on dirt. This prep would serve Affirmed well in 1978 as he would win the Hollywood Derby en route to becoming the 11th Triple Crown champion. The Hollywood Derby became a permanent turf stakes in 1981, contested first at the Hollywood Park Fall Meet, then moving to Del Mar racetrack in 2014 after the closing of Hollywood Park.