The 2013 Subway Firecracker 250 was the 16th stock car race of the 2013 NASCAR Nationwide Series and the 12th iteration of the event. The race was held on Friday, July 5, 2013, in Daytona Beach, Florida at Daytona International Speedway, a 2.5 miles (4.0 km) permanent triangular-shaped superspeedway. The race was extended from its scheduled 100 laps to 101 due to a green–white–checker finish. At race's end, Matt Kenseth, driving for Joe Gibbs Racing, would pull away on the final restart to win his 27th career NASCAR Nationwide Series win and his first of the season.^[1] To fill out the podium, James Buescher of Turner Scott Motorsports and Elliott Sadler of Joe Gibbs Racing would finish second and third, respectively.

Daytona International Speedway is one of three superspeedways to hold NASCAR races, the other two being Indianapolis Motor Speedway and Talladega Superspeedway.^[2] The standard track at Daytona International Speedway is a four-turn superspeedway that is 2.5 miles (4.0 km) long. The track's turns are banked at 31 degrees, while the front stretch, the location of the finish line, is banked at 18 degrees.^[3]

Qualifying was held on Friday, July 5, at 2:05 PM EST. Each driver would have two laps to set a fastest time; the fastest of the two would count as their official qualifying lap.^[4]

Austin Dillon of Richard Childress Racing would win the pole, setting a time of 50.298 and an average speed of 178.934 miles per hour (287.966 km/h).^[6]

Blake Koch was the only driver to fail to qualify.