The Howden Insurance Mile is a New Zealand Thoroughbred horse race run at Hastings Racecourse in Hawke's Bay. The race, which is registered as the Horlicks Plate, became known as the Howden Insurance Mile in 2025 and has been previously known as:the Arrowfield Stud Plate. In 2022 the race sponsor and naming rights changed from the Windsor Park Stud to the Arrowfield Stud. the Windsor Park Plate. the Stoney Bridge Stakes from 2004 to 2008. the Glenmorgan Generous Stakes, in 2003, when it was raced at Otaki. the Glenmorgan Hawkes Bay Challenge Stakes.