Four-times Bathurst winner Greg Murphy will give himself until the last minute before deciding whether to line up in this weekend's Phillip Island V8 Supercar enduro.
Australian international David Brabham is confident he can adapt quickly to new-age V8 Supercars ahead of this weekend's Phillip Island endurance classic.
Australia's Casey Stoner has attacked MotoGP track designs following the tragic death of Japanese rider Shoya Tomizawa in the Moto2 San Marino Grand Prix.
Spain's Dani Pedrosa has led from the start to win the San Marino MotoGP Grand Prix on another sad day for the sport after Japanese rider Shoya Tomizawa died following a crash in an earlier race.
Nineteen-year-old Japanese Moto2 rider Shoya Tomizawa has died after a crash at the San Marino Grand Prix, the second death in the sport in two events.
Pressure mounted on Australia's Indycar series leader Will Power as he suffered a late race wobble to finish eighth in the Indy300 at Kentucky Speedway.
Formula One pacesetters McLaren claim Red Bull is infatuated with erratic young star Sebastian Vettel and will never back Mark Webber over the young German.
Spain's Dani Pedrosa, riding a Honda, has won the Indianapolis to claim his third victory of the season and close the gap on runaway championship leader Jorge Lorenzo to 68 points.