Prix d'Ispahan
At age four, Cacique began the 2005 racing season in May with a fifth-place finish in the Prix du Muguet at Saint-Cloud then was third in the Prix d'Ispahan before winning the Group 3 Prix du Chemin de Fer du Nord at Chantilly Racecourse. In September he finished seventh in the Prix du Moulin de Longchamp to the New Zealand-bred and Australian owned Champion, Starcraft.