2003 NASCAR Winston Cup Series (ThunderLand)

The 2003 NASCAR Winston Cup Series was the 55th season of professional stock car racing in the United States and the 32nd modern-era Cup Series season. Kevin Harvick won his 1st championship 12 points over Dale Earnhardt Jr, and Jamie McMurray won Rookie of the Year. This would be the last year with Mike Skinner and Kenny Wallace, with both retiring. Brian Vickers replaced Mike Skinner in the #4.