There is a filly that won the Triple Crown but it is the Filly Triple Crown also known as the Triple Tiara. The horse name is Ruffian. This horse is the first filly to win the Triple Crown.
Secretariat was the largest horse to win the Triple Crown.
Secretariat.ACTUALLY Secretariat was the FIRST horse to win a Triple Crown Race in a record time.But he wasn't the biggest.Ha!
Secretariat became the first horse in 25 years to win the Triple Crown in 1973.
Secretariat won in 1973.
Affirmed in 1978
He did win - twice
The first horse to ever win the triple crown was Sir Barton. Sir Barton was born in 1916 at the breeding farm of Madden and Gooch in Kentucky.http://triple-crown-racing.suite101.com/article.cfm/sir_barton_won_first_triple_crown