2010 LifeLock.com 400

Background

Prior to the race, Richard Childress Racing driver Kevin Harvick led the Drivers' Championship with 2,684 points, and Hendrick Motorsports driver Jeff Gordon was second with 2,472 points. Behind them in the Drivers' Championship, Jimmie Johnson was third with 2,459 points, and Kurt Busch was fourth with 2,439 points. Denny Hamlin was fifth with 2,400 points. In the Manufacturers' Championship, Chevrolet was leading with 130 points, twenty points ahead of their rival Toyota. In the battle for third place, Dodge had 78 points, now even with Ford.

Practice and qualifying

Two practice sessions were held before the Saturday race—both on Friday. The first session lasted 105 minutes, and the evening session completed after 45 minutes. In the first practice session, which was held in dry conditions, Toyota's Joe Nemechek was quickest, ahead of the Chevrolet of Casey Mears and the Ford of David Stremme in second and third. Jeff Gordon and Jimmie Johnson followed in fourth and fifth. In the second practice session, Juan Pablo Montoya was quickest, while Jamie McMurray and Greg Biffle followed in second and third. Johnson and Carl Edwards rounded out the top five.

During qualifying, forty-seven drivers were entered, but only the fastest forty-three raced because of NASCAR's qualifying procedure. McMurray clinched his sixth pole position, with a time of 29.421. He was joined on the front row of the grid by Johnson. Tony Stewart only managed to qualify third, and Greg Biffle qualified fourth. Sam Hornish, Jr. qualified fifth with a time of 29.572. Gordon, David Reutimann, Paul Menard, Martin Truex, Jr. and Montoya rounded off the top ten. The four drivers that did not qualify were J. J. Yeley, Dave Blaney, Michael McDowell, and Todd Bodine.

Race

The race, the nineteenth out of a total of thirty-six in the season, began at 7:30 p.m. EDT and was televised live in the United States on TNT. Conditions were sunny with a high 88 °F (31 °C), making the track potentially slippery early in the race. Co-director of Raceway Windy City Ministries Glenn Spoolstra began the pre-race ceremonies by giving the invocation. Afterward, Jim Cornelison, the Chicago Blackhawks national anthem singer, performed the United States National Anthem while Duncan Keith gave the command to start engines.

Jamie McMurray maintained the first position going through turns one and two, but Jimmie Johnson, who had stated second passed McMurray to lead the first lap. Two laps later, David Reutimann moved into sixth, after passing Sam Hornish, Jr.. After three laps, McMurray fell to fourth because of car handling problems. On lap 7, Tony Stewart passed Greg Biffle for the second position. Hornish, Jr., who started fifth, had fallen seven positions by lap 11. Carl Edwards, after starting eleventh, moved into the eighth position on lap 15. By lap 20, Johnson had a one-second lead over Stewart in second. On lap 28, Biffle was 2.4 seconds off Johnson's pace. Seven laps later, McMurray moved into third from passing Biffle.

On lap 39, the first caution was brought out because David Stremme collided with the wall. Afterward, teams made their first pit stop. Johnson remained the leader, as Martin Truex, Jr. moved to second for the restart. One lap later, McMurray moved into the second position. On lap 48, Jeff Gordon moved into the seventh position, after passing Juan Pablo Montoya and A. J. Allmendinger. On lap 60, Johnson had led more laps at the beginning of this race than any other. Eight laps later, Truex, Jr. and his teammate Reutimann were in the third and fourth positions. On lap 70, Tony Stewart move into the eight position, as Biffle moved into the top-ten. After seventy-two laps, Kyle Busch, who began in the thirty-third position, had moved to twenty-fifth. On lap 80, Montoya moved into the seventh position, by passing Biffle. By lap 88, five cars were in the garage area of the speedway, they were Landon Cassill, Casey Mears, Mike Bliss, Max Papis and Joe Nemechek.

Two laps later, Johnson had a two-second lead over McMurray, as pit stops began. On lap 96, McMurray became the leader, Johnson entered pit lane. After missing pit lane the first time, Johnson was scored in the third position two laps later. On lap 108, Johnson passed Truex, Jr. for second, but he was still scored 1.1 seconds behind McMurray. Eight laps later, Reutimann passed Truex, Jr. for the third position. Afterward on lap twenty, Martin Truex, Jr. continues to lose positions, as he fell to fourth after being passed by Jeff Gordon. Nine laps later, the second caution came out because of debris. The green flag waved on lap 136, with McMurray and Johnson in first and second. One lap later, Johnson spun sideways through the grass to bring out the third caution, but he retained no major damage. Johnson fell to the twenty-fourth position after having to make a pit stop under this caution.

On lap 140, McMurray restarted in the first position. Four laps later, Reutimann moved forward one position into third, after passing Truex, Jr. Afterward, on lap 147, Truex, Jr. lost two positions after being passed by Clint Bowyer and Jeff Burton. On lap 166, McMurray's vacated first position was filled by Jeff Gordon. Three laps later, Reutimann passed McMurray for the second position. On lap 174, Johnson came to pit lane after colliding with the wall. Four laps later, Stewart claimed the eighth position after passing Martin Truex, Jr. On lap 180, the fourth caution came out because Bill Elliott collided with the wall, as Robby Gordon careened into Elliott. Nine laps later, the green flag waved as Jeff Gordon led. On lap 192, Biffle began losing positions because of a failing engine.

Two laps later, Kevin Harvick drove his race car to the garage area. On lap 197, it was said that Harvick's crew members were changing a fuel pump. On lap 212, Edwards passed McMurray for the fourth position. One lap later, Reutimann passed Jeff Gordon for the first position. Fifteen laps later, Biffle's engine failed. One lap later, Johnson made a scheduled green flag pit stop. On lap 233 Bowyer claimed the lead as Reutimann came to pit lane for a pit stop. Afterward, Edwards and Montoya led as green flag pit stops continued. Green flag pit stops finished on lap 236, after Reutimann reclaimed the lead. On lap 242 Edwards claimed the second position from Jeff Gordon. Reutimann remained the leader, and crossed the finish line first to clinch his second career victory in the Sprint Cup Series. Edwards finished second ahead of Jeff Gordon, Clint Bowyer, and Jamie McMurray.