What is the best horse in the world?

Of what i have heard Phar Lap was one of No.1 race horse in the world

That's what you've heard pal, but haven't you heard the great "Secretariat"?

He holds the record in the Kentucky Derby the first leg of the American Triple Crown.

He holds the record in the Belmont Stakes race the last jewel of the American Triple Crown with a margin of 31 lengths.

Triple Crown Champion of 1973.

Ranked #1 in the Top 100 U.S. Racehorses of the 20th Century.

~Well I'd like to add my two cents...Secretariat, Seabiscuit, Man O' War, War Admiral, and current horses...Curlin, Rachel Alexandra, Zenyatta, (Papa Clem?)~