Darrell Wallace Jr. was the first black driver to win a NASCAR race since the 1960s when he took the checkered flag in a Truck Series race at Martinsville last year.
Tony Kanaan got a text of apology from Ryan Hunter-Reay. Will Power tried to apologize in person to Simon Pagenaud.
IndyCar has fined driver Sebastian Saavedra $10,000 and placed him on probation through the Indianapolis 500 for a rules violation at Long Beach.
All Times EDT
Kentucky's Office of Highway Safety will be the title sponsor for Kentucky Speedway's June 27 NASCAR Nationwide Series race.
Red Bull is "disappointed" but now focused on the upcoming Chinese Grand Prix after a court on Tuesday rejected its appeal against the disqualification of driver Daniel Ricciardo at the season-opening race in Australia.
The new qualifying format for the Indianapolis 500 now allows any entry that has not made the field at the end of the first day of qualifying a chance to make the last row of the grid on the second day.
A day after Dario Franchitti announced his retirement, another IndyCar driver said he was also getting out of his car.
NASCAR team owner Gene Haas is out to prove that an American-based team can succeed in the Formula One racing series.
Mercedes says its technical director will leave the Formula One team at the team of the 2014 season and will not be replaced.