2018 Kentucky Derby (65 images)

Jockey Mike Smith, aboard Justify, wins the 144th running of the Kentucky Derby on Saturday. Photo by Mark Abraham/UPI

Smith aboard Justify (C) crosses the finish line. Photo by Jason Szenes/UPI

"I can't describe how amazing this horse is," said Smith, who gave Justify just a few taps with the whip in deep stretch. "My vocabulary doesn't have the words for it. For such a young horse, he's so big and strong." Photo by Jason Szenes/UPI

Trainer Bob Baffert (L) and Smith aboard Justify (R) react after winning. Photo by Scott A. Tockett/UPI