A race fan wearing a festive hat looks on from the infield prior to the 140th running of the Kentucky Derby at Churchill Downs. Dylan Buell / Getty Images / AFP
Race fans wearing a festive hat attend the 140th running of the Kentucky Derby at Churchill Downs on May. Matthew Stockman / Getty Images / AFP
A race fan wearing a festive hat looks on from the infield prior to the 140th running of the Kentucky Derby at Churchill Downs. Dylan Buell / Getty Images / AFP
A race fan wearing a festive hat attends the 140th running of the Kentucky Derby at Churchill Downs. Dylan Buell / Getty Images / AFP
Ashley Cebak and Tami Purcell wear hats before the 140th running of the Kentucky Derby horse race at Churchill Downs. David Goldman / AP Photo
Race fans cheer wearing a festive hat prior to the 140th running of the Kentucky Derby at Churchill Downs. Matthew Stockman / Getty Images / AFP
A racegoer wears a Derby hat on the roof of Churchill Downs on the eve of the Kentucky Derby. Luke Sharrett / Bloomberg
The field breaks from the starter's gate to start the 140th running of the Kentucky Derby at Churchill Downs. Andy Lyons / Getty Images / AFP
California Chrome, No 5, ridden by Victor Espinoza, comes out of the third turn enroute to winning the 140th running of the Kentucky Derby at Churchill Downs. Andy Lyons / Getty Images / AFP
California Chrome with Victor Espinoza up crosses the finish line. Jamie Squire / Getty Images / AFP
The field of horses rounds the first turn during the 140th running of the Kentucky Derby at Churchill Downs. Jamie Squire / Getty Images / AFP
The field heads out of the first turn during the 140th running of the Kentucky Derby at Churchill Downs. Rob Carr / Getty Images / AFP
California Chrome with Victor Espinoza up crosses the finish line ahead of Commanding Curve, No 17, and Danza, No 4, to win the 140th running of the Kentucky Derby at Churchill Downs. Jamie Squire / Getty Images / AFP
Jockey Victor Espinoza celebrates atop of California Chrome after crossing the finish line. Matthew Stockman / Getty Images / AFP
Jockey Victor Espinoza celebrates atop California Chrome after winning the 140th running of the Kentucky Derby. Luke Sharrett / Bloomberg