Jim Peltz NASCAR on Friday implemented a new rule sharply curbing drivers' ability to walk on a race track in the aftermath of the fatal incident involving Tony Stewart.
Australia's Marcos Ambrose has narrowly missed out on claiming his third NASCAR victory at Watkins Glen in New York, finishing second behind AJ Allmendinger in Sunday's Spring Cup race.
Dressed in black, the young driver walked out onto the dirt track and defiantly pointed his finger at the sprint car hurtling towards him.
NASCAR champion Tony Stewart questioned after collision kills rival sprint car driver Kevin Ward jnr
Three-time NASCAR champion driver Tony Stewart struck and killed a sprint car driver who was walking towards him on the race track during a race in upstate New York on Saturday night.
NASCAR champion Tony Stewart pulls out of race after collision kills rival sprint car driver Kevin Ward Jr
NASCAR champion Tony Stewart dropped out of a race on Sunday hours after fatally running over a driver at a dirt track in New York state.
Stephen Ottley and Sam Hall This weekend’s NASCAR race at Watkins Glen is shaping up as the most important of Marcos Ambrose’s career.
Australia's Marcos Ambrose has been involved in an ugly post-race scuffle in Richmond, Virginia.
Australian NASCAR driver Marcos Ambrose has been slapped with a $US25,000 ($A27,000) fine for punching rival Casey Mears in the face during a post-race altercation.
Marcos Ambrose understands the $US25,000 fine NASCAR levied against him for punching Casey Mears in the face.
Dan Gelston Daytona Beach, Florida: NASCAR Hall of Fame driver Richard Petty is standing by his comments that Danica Patrick can't win a race and says it's unfair he has been labelled a sexist.
Mark Fogarty Former V8 Supercars champion set to continue in American stock car racing.
Danica Patrick became the first woman to secure pole position at a Sprint Cup race on Sunday when she was fastest in qualifying for the Daytona 500.
NASCAR driver Jason Leffler has died after his vehicle flipped during a dirt car event at Bridgeport Speedway in the US.
Robert Grant Tasmanian Marcos Ambrose says there will be no second chances if he fails to make an impact at the premier NASCAR Championship in the US next year.
Marcos Ambrose has recovered from an early clash to salvage 15th placing and a solid haul of points in the Kroger 250, Race 32 in the NASCAR Nationwide Series.
Marcos Ambrose will become the first Australian to race fulltime in the top flight NASCAR Sprint Cup Series in 2009.
Australia's Marcos Ambrose says he is starting to feel comfortable with his car after qualifying in 29th position for Sunday's NASCAR Sprint Cup Series race.
Australian Marcos Ambrose has claimed his maiden NASCAR win with victory in the Zippo 200 at Watkins Glen International.
Marcos Ambrose has grabbed the highest-ever qualifying position by an Australian in NASCAR Sprint Cup Series racing, claiming seventh spot for his debut.
Robert Grant Australian Marcos Ambrose has elbowed his way through the field to catapult from last to second and score his best ever NASCAR finish.