This is complete footage of Secretariat's last race at Woodbine Racetrack, Canada. It is the Canadian International, 1973.
I put this up because it is complete and with the original race call. So far, it can't be found like that on youtube.
http://www.HorseRaceGame.com
If you wish to see a great montage of the race with extra footage go here:
http://youtube.com/watch?v=02IRNl1jrws