2010 Carfax 400
23rd race of 2010 NASCAR Sprint Cup series

The 2010 Carfax 400 was a NASCAR Sprint Cup Series stock car race that was held on August 15, 2010, at Michigan International Speedway in Cambridge Township, Michigan. Contested over 200 laps, it was the twenty-third race of the 2010 Sprint Cup Series season. The race was won by Kevin Harvick for the Richard Childress Racing team. Denny Hamlin finished second, and Carl Edwards, who started twenty-fourth, clinched third.
Pole position driver Kasey Kahne maintained his lead into the first corner to begin the race, but Jimmie Johnson, who started in the second position on the grid, took the lead before the first lap was over. Afterward, Greg Biffle became the leader, and would eventually lead to the race high of 66 laps. Tony Stewart led after the final pit stops, ahead of Hamlin and Harvick. Harvick helped Hamlin to become the leader, but with twelve laps left, Harvick gained on Hamlin and claimed the first position with eleven laps remaining. Harvick maintained his position to claim his first Sprint Cup victory at Michigan International Speedway.
There were five cautions and nineteen lead changes among nine different drivers throughout the course of the race, Harvick's third win of the season.
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