Loca aims to continue US success La Vida Loca, formerly trained by Aidan O`Brien in Ireland, and unbeaten in three starts since her arrival in the United States, will attempt to keep that record intact at Churchill Downs tomorrow.Now in the care of Bill Mott, she faces seven rivals in the 32nd running of the 150,000-added Regret Stakes, a Grade Three contest for three-year-old fillies on the turf.The daughter of Caerleon finished a creditable fourth in the Prix Marcel Boussac at Longchamp on her final start as a juvenile for O`Brien.
