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. The purse of the event is US$250,000.^[1]

The race was first run in 1989 as an ungraded stakes race. It became a Grade III event in 2010 ^[1] and lowered back to Listed in 2018.

Speed record:

• 1:40.37 - Concord Point (2010)

Most wins by a trainer:

• 4 - Bob Baffert (2000, 2010, 2011, 2016)
• 4 - Steven M. Asmussen (2002, 2006, 2017, 2023)

Most wins by a jockey:

• 2 - Sidney P. LeJeune Jr (1997, 1998)
• 2 - Shaun Bridgmohan (2004, 2006)
• 2 - Martin Garcia (2010, 2020)
• 2 - Rafael Bejarano (2011, 2016)

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.