<Tr> <Th> Attendance </Th> <Td> 134,476 </Td> </Tr> <Tr> <Td_colspan="2"> ← 1972 1974 → </Td> </Tr> <P> The 1973 Kentucky Derby was the 99th running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky . Secretariat won the Derby in a record time of 1: ​ 59 ⁄, ​ 2 ⁄ lengths ahead of Sham, while Our Native finished in third position . Of the thirteen horses that entered and started the race, all horses completed the event . The event was viewed in person by a then - record crowd of 134,476, while also being broadcast both on television and over the radio . </P> <P> In the days leading up to the race, Secretariat was seen as the favorite to win by many; however there were doubts about him following a third - place finish at the Wood Memorial Stakes two weeks prior to the Derby . In the wake of Secretariat's loss, Angle Light and, in particular, Sham were the horses that were seen as the most likely to win the Derby, aside from Secretariat . Many sportswriters believed that the horses in the field possessed great speed and thought the course record would be broken . </P>

What was secretariat's winning time in the kentucky derby
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