Animal Kingdom won the 137th Kentucky Derby for his first victory on dirt, delivering jockey John Velazquez his first Derby win in 13 tries after losing a favoured mount. In two of the most unlikely stories in Derby history, the 20-1 longshot colt won the American horse racing classic in only his fifth career start. Animal Kingdom covered the 1 1/4-mile in 2mins 2.04secs at famed Churchill Downs, charging up the middle of the track over the final stretch to defeat runner-up Nehro by over two lengths. Mucho Macho Man was third in a field of 19.