2015 American Ethanol E15 225

The 2015 American Ethanol E15 225 was the 16th stock car race of the 2015 NASCAR Camping World Truck Series, and the 7th iteration of the event. The race was originally going to be held on Friday, September 18, 2015, but due to persistent rain showers, it was postponed until Saturday, September 19. It was held in Joliet, Illinois at Chicagoland Speedway, a 1.5 mi (2.4 km) permanent tri-oval shaped racetrack. The race took the scheduled 150 laps to complete. John Hunter Nemechek, driving for family-owned SWM-NEMCO Motorsports, would pull off the upset win, after the leader of Kyle Larson ran out of fuel with two laps to go. This was Nemechek's first career NASCAR Camping World Truck Series win. Larson, Johnny Sauter, and Timothy Peters dominated the entire race, leading 49, 52, and 41 laps. To fill out the podium, Tyler Reddick, driving for his team, Brad Keselowski Racing, and Peters, driving for Red Horse Racing, would finish 2nd and 3rd, respectively.

Background
Chicagoland Speedway is a 1.5 mi tri-oval speedway with a curved backstretch in Joliet, Illinois, southwest of Chicago. The speedway opened in 2001 and actively hosts NASCAR racing including the NASCAR Sprint Cup Series. Until 2010, the speedway has also hosted the IndyCar Series, recording numerous close finishes including the closest finish in IndyCar history. The speedway is owned and operated by NASCAR subsidiary International Speedway Corporation.

Entry list

 * (R) denotes rookie driver.
 * (i) denotes driver who is ineligible for series driver points.

Practice
The first and only practice session was held on Saturday, August 29, at 9:30 AM EST, and would last for 55 minutes. Kyle Larson, driving for JR Motorsports, would set the fastest time in the session, with a lap of 30.848, and an average speed of 175.052 mph.

Starting lineup
Qualifying was scheduled to be held on Friday, September 18, at 3:35 PM CST, but was cancelled after persistent rain showers. The starting lineup would be determined by practice speeds. As a result, Kyle Larson, driving for JR Motorsports, would earn the pole. Chad Boat and Ross Chastain would fail to qualify.

Standings after the race

 * Drivers' Championship standings
 * Note: Only the first 10 positions are included for the driver standings.