Rachel Alexandra is first filly to win the Triple-Crown 's second jewel since 1924 . `` She 's the greatest horse I 've ever been on in my life , '' jockey Calvin Borel said . TL;DR Saturday 's victory for Rachel Alexandra , who raced from the 13th and furthest stall , was the filly 's fifth straight win . The Kentucky Derby winner will be ridden by trainer Todd Pletcher for her next start at Churchill Downs.
Rachel Alexandra is first filly to win the Triple-Crown 's second jewel since 1924 . `` She 's the greatest horse I 've ever been on in my life , '' jockey Calvin Borel said . TL;DR The Kentucky Derby winner will be ridden by trainer Todd Pletcher for her next start at Churchill Downs.