It is the fourth race of the IndyCar season and the race teams are all in Brazil. Sunday will be one of the most exotic races on the entire schedule. São Paulo Indy 300 will go off at 11 a.m. ET on NBC Sports Network, IMS Radio and the Sirius-XM IndyCar channel. Three races into the season, Team Penske, lead by Helio Castroneves and Will Power, is undefeated with wins in St.