The only age at which any hosrse can run in th KY Derby is 3 (three) yrs old, as is the case with the other two Triple Crown races--the Preakness Stakes and the Belmont Stakes.
Secretariat's time at the Kentucky Derby was 1 minute, 59 seconds and 2/5.
Secretariat.
secretariat
Horse 'Secretariat' won the Derby in 1973.
The fastest Kentucky Derby ever was run by Secretariat.
Angle Light.
May 5th, 1973.
Secretariat
May 7, 2005 was the date on which the 131st Kentucky Derby was held. The winning horse was Giacomo [foaled February 16, 2002]. The winning jockey was Michael Earl Smith [b. August 10, 1965]. The winning time was 2 minutes 02.75 seconds.
Animal Kingdom won that Derby in 2:02.4 Secretariat's win was 1:59 4/5 Secretariat wins by nine lengths.
In the 1973 Kentucky Derby, Secretariat was in post position 4. He went on to win the race, setting a record time that still stands today.
Secretariat