Photos: 140th Preakness Stakes

American Pharoah leaves its rivals in a muddy wake in winning the 140th Preakness Stakes.

American Pharoah, with jockey Victor Espinoza celebrating, easily beats the Preakness Stakes field to the finish line in muddy conditions on Saturday.

The horses head down the track after breaking from the gate to start the 140th Preakness Stakes on Saturday under stormy conditions.

Jockeys Victor Espinoza, right aboard American Pharoah, and Corey Nakatani, aboard Mr. Z, guide their horses into the lead at the first turn of the 140th Preakness Stakes.

The field heads into the second turn of the 140th Preakness Stakes, which was run during a downpour on a sloppy track.

American Pharoah, with jockey Victor Espinoza aboard, crosses the finish line at Pimlico Race Course with no other Preakness Stakes rival in sight on Saturday.

Jockey Victor Espinoza reacts as American Pharoah crosses the finish line to win the 140th Preakness Stakes on Saturday at Pimlico Race Course in Baltimore.

Jockey Victor Espinoza has American Pharoah jog around the track after winning the 140th Preakness Stakes on Saturday at Pimlico Race Course.

Jockey Victor Espinoza celebrates atop American Pharoah after the pair won the 140th Preakness Stakes on Saturday.

Trainer Bob Baffert congratulates jockey Victor Espinoza after he guided American Pharoah to victory in the 140th Preakness Stakes. The two live and work out of Southern California.

American Pharoah owner Ahmed Zayat, left, high-fives trainer Bob Baffert as they celebrate after winning the 140th Preakness Stakes.

American Pharoah trainer Bob Baffert has a laugh in the Winner’s Circle following the victory in the 140th Preakness Stakes.

A horse racing fan walks toward the Pimlico Race Course track before the running of the 140th Preakness Stakes on Saturday in Baltimore.

A jockey walks up the stairs after riding in a race before the 140th Preakness Stakes on Saturday at Pimlico Race Course.

A horse racing fan watches the eighth race at Pimlico Race Course on Saturday before the running of the 140th Preakness Stakes.

Horse racing fans adorned in festive hats watch a race before the 140th Preakness Stakes on Saturday at Pimlico Race Course.

A horse racing fan walks into the Pimlico Race Course grandstand before the 140th Preakness Stakes on Saturday.

Racing fans ride an escalator to the upper concourse of the Pimlico Race Course before the running of the 140th Preakness Stakes on Saturday.