- Source: 2008 Indy Japan 300
- Seri IndyCar di Jepang
- Champ Car World Series
- Sarah Fisher
- Daftar perlombaan balap mobil roda terbuka Amerika yang dimenangkan oleh Scott Dixon
- Dan Wheldon
- Ayrton Senna
- Olahraga di Jepang
- Circle K
- Daftar sirkuit Seri IndyCar
- Detroit
- 2008 Indy Japan 300
- Indy Japan 300
- 2009 Indy Japan 300
- 2007 Indy Japan 300
- Danica Patrick
- Sarah Fisher
- 2008 Toyota Grand Prix of Long Beach
- IndyCar
- Champ Car World Series
- 2008 IndyCar Series
The 2008 Indy Japan 300 was the third round of the 2008 IndyCar Series season, for drivers who competed in the series in 2007 and teams that had entered for 2008 who were not former Champ Car teams that were in transition. This was because the 2008 Toyota Grand Prix of Long Beach occurred on the same weekend and there was no way of changing dates to avoid the clash when the reunification took place. Originally scheduled for the afternoon of April 19, 2008 at the 1.52-mile (2.45 km) Twin Ring Motegi in Motegi, Tochigi, the race was delayed by 22 hours until the morning of April 20, due to water seeping up onto the track from previous heavy rains. Danica Patrick won the race, becoming the first female winner in the history of top-level American open-wheel racing.
Qualifying
Due to rain in the Tochigi region, qualifying was cancelled and the field was set by driver points. Thus, the grid was:
Race
The race's average speed was 164.258 mph (264.348 km/h) and it featured five lead changes between four drivers, as well as cautions on four for 29 laps.