American racing driver Danica Patrick won the Indy Japan 300, becoming the first woman to win an IndyCar auto race.

Danica Sue Patrick is an American former professional racing driver and model who competed in the IndyCar Series from 2005 to 2011 and the NASCAR Cup Series from 2012 to 2018. She is the most successful woman in the history of American open-wheel car racing—her victory in the 2008 Indy Japan 300 is the only win by a woman in IndyCar.

The Indy Japan 300 presented by Bridgestone was an Indy Racing League IndyCar Series race held at Twin Ring Motegi in Motegi, Japan. The 2008 race marked the historic first ever win for a woman driver in American open wheel racing when Danica Patrick of Andretti-Green Racing took the checkered flag.

IndyCar, LLC, is an auto racing sanctioning body for American open-wheel car racing headquartered in Indianapolis, Indiana. The organization sanctions two racing series: the premier IndyCar Series with the Indianapolis 500 as its centerpiece, and the developmental series Indy NXT. IndyCar is recognized as a member organization of the FIA through the Automobile Competition Committee for the United States.