Horse Racing Radio Network (HRRN), the Eclipse Award-winning broadcast organization based in Lexington, KY and official radio home of the 2015 Triple Crown and Breeders’ Cup World Championships, announced Thursday they will return to Gulfstream Park this weekend with live coverage of two ‘Win and You’re In’ Breeders’ Cup Challenge events, the Grade 2 Princess Rooney Stakes and Grade 2 Smile Sprint Stakes. Both races will be contested Sunday, July 5th and are part of a lucrative Summit of Speed program being held at Gulfstream for the first time this year.