![Favorite American Pharoah claims victory in the 141st running of the Kentucky Derby at Churchill Downs on Saturday, May 2.](https://media.cnn.com/api/v1/images/stellar/prod/150502190032-02-american-pharoah-kentucky-derby-winner.jpg?q=w_3888,h_2796,x_0,y_0,c_fill/h_447)
Favorite American Pharoah claims victory in the 141st running of the Kentucky Derby at Churchill Downs on Saturday, May 2.
![Jockey Victor Espinoza won the famous "Run for the Roses" for the third time.](https://media.cnn.com/api/v1/images/stellar/prod/150503004154-kentucky-derby-espinoza-roses.jpg?q=w_2187,h_1458,x_0,y_0,c_fill/h_447)
Jockey Victor Espinoza won the famous "Run for the Roses" for the third time.
![The Mexican also triumphed last year on California Chrome and in 2002 riding War Emblem.](https://media.cnn.com/api/v1/images/stellar/prod/150502185847-american-pharoah-kentucky-derby-winner.jpg?q=w_2187,h_1458,x_0,y_0,c_fill/h_447)
The Mexican also triumphed last year on California Chrome and in 2002 riding War Emblem.
![Espinoza gave trainer Bob Baffert his fourth victory in the opening leg of U.S. horse racing's Triple Crown, winning by a length from Firing Line as the 5-2 pre-race frontrunner.](https://media.cnn.com/api/v1/images/stellar/prod/150503003958-kentucky-derby-finish.jpg?q=w_1968,h_1312,x_0,y_0,c_fill/h_447)
Espinoza gave trainer Bob Baffert his fourth victory in the opening leg of U.S. horse racing's Triple Crown, winning by a length from Firing Line as the 5-2 pre-race frontrunner.
![Dortmund, also trained by Baffert and starting at 4-1 odds, led for most of the race but finished in third place.](https://media.cnn.com/api/v1/images/stellar/prod/150503003823-kentucky-derby-turn-one.jpg?q=w_3721,h_2481,x_0,y_0,c_fill/h_447)
Dortmund, also trained by Baffert and starting at 4-1 odds, led for most of the race but finished in third place.
![Firing Line, rated 9-1 and ridden by three-time Kentucky winner Gary Stevens, also had time out in front.](https://media.cnn.com/api/v1/images/stellar/prod/150503003513-kentucky-derby-firing-line-leads.jpg?q=w_3643,h_2429,x_0,y_0,c_fill/h_447)
Firing Line, rated 9-1 and ridden by three-time Kentucky winner Gary Stevens, also had time out in front.
![But Espinoza brought American Pharoah home for their fifth successive victory together for owner Ahmed Zayat.](https://media.cnn.com/api/v1/images/stellar/prod/150503003643-kentucky-derby-pharoah-celebrates.jpg?q=w_3907,h_2605,x_0,y_0,c_fill/h_447)
But Espinoza brought American Pharoah home for their fifth successive victory together for owner Ahmed Zayat.