New Zealand's Scott Dixon won his fifth race of the Indy-car season, holding off Brazil's Helio Castroneves in the final laps, to boost his points lead.
Australia's Ryan Briscoe has captured pole position for the Edmonton IndyCar Series race, edging Penske teammate Helio Castroneves of Brazil.
Mike Harris Australian driver Will Power won the final race of the Champ Car World Series on the streets of Long Beach.
Australian drivers Ryan Briscoe and Will Power made disappointing starts to the newly-unified IndyCar Series with both crashing out of the season-opener.
Australian Will Power has captured pole position for Sunday's Champ Car Grand Prix of Mexico despite still recovering from a broken wrist.
Team Australia driver Will Power, recovering from a broken wrist, has received approval to race in this week's Gran Premio Tecate in Mexico City.