150th Kentucky Derby: A detail of the sign between the Twin Spires is shown before the running of the 150th Kentucky Derby at Churchill Downs. (Rob Carr/Getty Images)
150th Kentucky Derby: A fan wearing a festive hat looks on before the 150th running of the Kentucky Derby. (Justin Casterline/Getty Images)
150th Kentucky Derby: A spectator poses for a picture on the grounds ahead of the running of the 150th Kentucky Derby at Churchill Downs. (Kevin C. Cox/Getty Images)
150th Kentucky Derby: Spectators pose for a picture on the grounds ahead of the running of the 150th Kentucky Derby at Churchill Downs. (Kevin C. Cox/Getty Images)
150th Kentucky Derby: A fan looks on before the 150th running of the Kentucky Derby at Churchill Downs. (Justin Casterline/Getty Images)
150th Kentucky Derby: People attend the 150th running of the Kentucky Derby at Churchill Downs. (LEANDRO LOZADA/AFP via Getty Images)
150th Kentucky Derby: A couple takes a selfie while attending the 150th running of the Kentucky Derby at Churchill Downs. (LEANDRO LOZADA/AFP via Getty Images)
150th Kentucky Derby: The grounds were wet at Churchill Downs as people line up to attend the 150th running of the Kentucky Derby. (LEANDRO LOZADA/AFP via Getty Images)
150th Kentucky Derby: Race fans watch an undercard race before the 150th running of the Kentucky Derby at Churchill Downs. (Rob Carr/Getty Images)
150th Kentucky Derby: People attend the 150th running of the Kentucky Derby at Churchill Downs. (LEANDRO LOZADA/AFP via Getty Images)
150th Kentucky Derby: Spectators pose for a picture in the redesigned paddock ahead of the running of the 150th Kentucky Derby. (Kevin C. Cox/Getty Images)
150th Kentucky Derby: Spectators converse as horses walk through the redesigned paddock for an undercard race ahead of the running of the 150th Kentucky Derby at Churchill Downs. (Kevin C. Cox/Getty Images)
150th Kentucky Derby: A fan enjoys a mint julep before the 150th Kentucky Derby at Churchill Downs. (Horsephotos/Getty Images)
150th Kentucky Derby: A spectator buys a mint julep before the 150th Kentucky Derby. (Horsephotos/Getty Images)
150th Kentucky Derby: Roses are shown near the turf course before the 150th running of the Kentucky Derby at Churchill Downs. (Rob Carr/Getty Images)
150th Kentucky Derby: Wynonna Judd and husband Cactus Moser react after the national anthem before the start of the 150th running of the Kentucky Derby at Churchill Downs. (Rob Carr/Getty Images)
