The Iowa Derby is a Listed American Thoroughbred horse race for three-year-olds run over a distance of miles (8.5 furlongs) on the dirt annually at Prairie Meadows Racetrack in Altoona, Iowa. The purse of the event is US$250,000.
The race was first run in 1989 as an ungraded stakes race. It became a Grade III event in 2010 and lowered back to Listed in 2018.
Speed record:
Most wins by a trainer:
Most wins by a jockey:
Most wins by an owner:
Notes:<br/> <sup>1</sup> In 2020, Letmeno finished first but was disqualified due to interference and placed second.<br/> <sup>2</sup> In 2023, One in Vermillion finished in a dead heat for first with How Did He Do That. One in Vermillion was disqualified for interference and placed second.