This and all the rest of the stats can be found at www.kentuckyderby.com
The largest margin of victory recorded in a horse race was by Secretariat in the Belmont Stakes in 1973, where he won by 31 lengths.
Secretariat still holds the track record, from 1973. The final time was 2:24 with a winning margin of 31 lengths. This is available to be seen on YouTube.
Secretariat's winning time was 2:24 flat, a figure that most experts agree may never even be approached. The margin of victory was 31 lengths.
ss
30-3
45
52
The largest margin of victory was 30 pts in a champtionship game. Not sure about just tournament games.
52-2
21
In the 1932 Olympic at Los Angeles, India beat USA by a huge margin of 24-1 and this is a world record of biggest victory margin in the history of Field Hockey.
The largest point margin in an NBA game was 68 points, with the Cleveland Cavaliers defeating the Miami Heat 148-80 on December 17, 1991.