Who is the best thorougbred champion of all time. Secretariat or Man O' War?

it has been tested... when man o war raced the dirt slowed him down by five seconds and when secretariat raced the sand/dirt made them go faster. and secretariats time was only 2 seconds faster then man o wars... but if you put the dirt into the equatuion then MAN O WAR becomes alot fast. in the end man o war was a much faster and better horse and not to metionm the fast throughbred of all time

Most experts agree that Secretariat was faster than Man O War. If one looks at times for distance, it is not even close. On equal tracks, Secretariat still wins by several lengths at any distance.