2003 in NASCAR Busch Series

The 2003 NASCAR Busch Grand National Series season began February 15 and ended November 15. Brian Vickers of Hendrick Motorsports won the championship.

List of full-time teams at the start of 2003.

NOTE: The No. 21 car fielded by Richard Childress Racing was shared by Kevin Harvick and Johnny Sauter in an attempt to secure the series' owners championship. Sauter ran in the No. 43 car during races where Harvick was scheduled to be in the No. 21, which enabled him to run the full season.

The Koolerz 300 was held February 15 at Daytona International Speedway. Jeff Green won the pole.

Top ten results

Failed to qualify: Mark Day (#81), Jay Sauter (#75), C.W. Smith (#67), Joe Buford (#84), Brad Teague (#52), Larry Hollenbeck (#82), Ron Barfield (#91)

The Rockingham 200 was held February 24 at North Carolina Speedway. David Green won the pole.

Top ten results

Failed to qualify: Justin Ashburn (#61), Michael Dokken (#72), Jeff Fultz (#86)

The Sam's Town 300 was held March 1 at Las Vegas Motor Speedway. Stanton Barrett won the pole.

...
Wikipedia