Racing 22 April 2024 Peterken breeds first stakes winner Aimee Peterken has only been breeding thoroughbreds for a few years, but she is already starting to leave her mark. Racing 18 January 2023 Peterken savours first Book 1 opportunity A life spent around horses has laid the groundwork for success in the thoroughbred world for Aimee Peterken, who is set to offer her first Book 1 yearling at Karaka later this month.