City of Troy, trained by Aidan O'Brien, faced a disappointing performance at the Longines Breeders' Cup Classic, finishing eighth after a slow start. The race was won by Sierra Leone, who overcame Fierceness to claim victory, leaving City of Troy well behind from the outset. O'Brien admitted to not having the horse properly prepared for a quick start, which ultimately hindered their chances in the race. Despite the setback, both O'Brien and jockey Ryan Moore praised City of Troy's overall bravery and talent, looking forward to future opportunities. The race highlighted the competitive nature of the event, with Sierra Leone's triumph bringing joy to the Coolmore syndicate. In the end, City of Troy's journey at the Breeders' Cup serves as a learning experience for O'Brien and his team.