The 2015 Sylvania 300 was a NASCAR Sprint Cup Series race held on September 27, 2015, at New Hampshire Motor Speedway in Loudon, New Hampshire. Contested over 300 laps on the 1.058 mile (2.4 km) speedway, it was the 28th race of the 2015 NASCAR Sprint Cup Series season, second race of the Chase and second race of the Challenger Round. Matt Kenseth won the race, his fifth of the season. Denny Hamlin finished second. Joey Logano, Greg Biffle and Carl Edwards rounded out the top-five.