The Iowa Derby is a Listed American Thoroughbred horse race for three-year-olds run over a distance of 1+1⁄16 miles (8.5 furlongs) on the dirt annually at Prairie Meadows Racetrack in Altoona, Iowa.
It became a Grade III event in 2010 [1] and lowered back to Listed in 2018.
Speed record: Most wins by a trainer: Most wins by a jockey: Notes: 1 In 2020, Letmeno finished first but was disqualified due to interference and placed second.
[2] 2 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.