2003 GFS Marketplace 400

The 2003 GFS Marketplace 400 was the 23rd race of the 2003 NASCAR Winston Cup Series season. The race at Michigan International Speedway saw Matt Kenseth win the pole award. His Roush Racing teammate Jeff Burton took away the victory, his first of the 2003 season. Burton held off Mark Martin by 0.43-seconds at the end of the race with Martin quickly closing in.

Burton also led the most laps in the 60-lap race.