LOUISVILLE, Ky. — On a crisp, clear morning, a chestnut thoroughbred thundered down the dirt strip at Churchill Downs, his exercise rider leaning forward above the saddle. Other horse-and-rider pairs followed.
Kentucky Derby entrant Citizen Bull works out at Churchill Downs, April 28, in Louisville, Ky.
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A race horse works out at Churchill Downs, April 29, in Louisville, Ky.
A race horse gets a bath after a workout at Churchill Downs, April 29, in Louisville, Ky.
Scenes from the 150th Kentucky Derby
A race fan sits in the stands Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
Race fans watch a race Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
A race fan walks through the grounds Saturday at Churchill Downs in Louisville, Ky., before the 150th running of the Kentucky Derby horse race.
A race fan walks through the grounds Saturday at Churchill Downs in Louisville, Ky., before the 150th running of the Kentucky Derby horse race.
Race fans walk through the grounds Saturday at Churchill Downs in Louisville, Ky., before the 150th running of the Kentucky Derby horse race.
A race fan sits in the stands Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
A race fan walks through the stands Saturday at Churchill Downs in Louisville, Ky., before the 150th running of the Kentucky Derby horse race.
A race fan walks through the stands Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
Race fans watch the paddock Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
A race fan walks through the grounds Saturday at Churchill Downs in Louisville, Ky., before the 150th running of the Kentucky Derby horse race.
A race fan bets on horses Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
Horses compete during a race Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
A girl watches a race in the infield Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
A race fan waits in the infield Saturday at Churchill Downs before the 150th running of the Kentucky Derby horse race in Louisville, Ky.
Larson reported from Washington, D.C.
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