The 2005 New England 300 was the 19th stock car racing race of the 2005 NASCAR Nextel Cup Series season and the 13th iteration of the event. The race was held on Sunday, July 17, 2005, before a crowd of 100,000 in Loudon, New Hampshire at New Hampshire International Speedway, a 1.058 miles (1.703 km) permanent, oval-shaped, low-banked racetrack. The race took the scheduled 300 laps to complete. At race's end, Tony Stewart of Joe Gibbs Racing would dominate the race to take his 22nd career NASCAR Nextel Cup Series win and his third of the season. To fill out the podium, Kurt Busch of Roush Racing and Bobby Labonte of Joe Gibbs Racing would finish second and third, respectively.