Previewing the 142nd running of the Kentucky Derby (39 images)

The jockeys, trainers and their horses are put through their paces as they prepare for the 142nd running of the Kentucky Derby, on Saturday, May 7, 2016.

Kentucky Derby hopeful Danzing Candy gallops on the track during morning workout at Churchill Downs in Louisville, Ky., on May 5, 2016. Photo by John Sommers II/UPI

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Kentucky Derby favorite Nyquist is washed by his grooms after galloping on the track during morning workout at Churchill Downs in Louisville, Ky., on May 5, 2016. Photo by John Sommers II/UPI

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Horses head for morning workouts at Churchill Downs in Louisville, Ky., on May 5, 2016. Photo by John Sommers II/UPI

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Derby favorite Nyqvist heads for morning workouts cheered on by racing fans at Churchill Downs in Louisville, Ky., on May 5, 2016. Photo by John Sommers II/UPI

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