The 2013 Breeders' Cup Challenge series provided winners of the designated races with an automatic "Win and You're In" Berth in the 2013 Breeders' Cup. Races were chosen by the Breeders' Cup organization and included key prep races in the various Breeders' Cup divisions from around the world. Thirty-six horses entered in the Breeders' Cup races qualified via the challenge series, including four of the winners. These were: