Simplify the following text for a Grade 12 native English-speaking person.
Original: After winning his fifth United States Grand Prix at Indianapolis in 2006 , Formula One driver Michael Schumacher holds the record for most victories between the three major events ( Indianapolis 500 , Brickyard 400 and the F1 USGP ) , with all taking place on the Forumula One version of the road course .
Simplified: After winning his fifth United States Grand Prix at Indianapolis in , Formula One driver Michael Schumacher holds the record for most victories with the Forumula One version of the road course .