The 2005 MBNA RacePoints 400 was the 13th 2005 NASCAR Nextel Cup Series season and the 37th iteration of the event. The race was held on Sunday, June 5, 2005, before a crowd of 150,000 in Dover, Delaware at Dover International Speedway, a 1 mile (1.6 km) permanent oval-shaped racetrack. The race took the scheduled 400 laps to complete. At race's end, Greg Biffle of Roush Racing would take control in the late stages of the race to take home his seventh career NASCAR Nextel Cup Series win and his fourth of the season. To round out the podium, Kyle Busch of Hendrick Motorsports and Mark Martin of Roush Racing would finish second and third, respectively.