The competitors will race for 113 laps on the virtual 1.549-mile Twin Ring Motegi. The Firestone 175 will be the debut of Castroneves, Sato and Busch in the IndyCar iRacing Challenge.
Castroneves is a three-time Indianapolis 500 winner, Sato won the 2017 Indianapolis 500 and Busch is a two-time and reigning NASCAR Cup Series champion. Busch will drive the No. 51 Rowdy Energy Dallara in his IndyCar debut – live or virtual.
Scott Dixon and Tony Kanaan join Castroneves as the three drivers who have won at the track in Motegi, Japan. Dixon is a two-time winner there, including the series’ last visit to the track in 2011. Kanaan won the 2007 race there.
The starting lineup will be set through a 10-minute qualifying session prior to the event. The race will take place on Saturday, April 18 at 2:30 p.m. ET with TV coverage provided by NBC Sports Network.