LAS VEGAS -- Happy Birthday, Matt Kenseth!
Kenseth used a fuel-only pit stop late in the race and held off a furious charge from Kasey Kahne to win Sunday's Kobalt Tools 400 at Las Vegas Motor Speedway.
Kenseth, who turned 41, became just the third driver in Sprint Cup Series history to win on his birthday. Carl Yarborough did it twice -- in 1977 at North Wilkesboro and 1983 at Atlanta. Kyle Busch did it in 2009 at Richmond.
The win is Kenseth's first of 2013, his first with Joe Gibbs Racing and Toyota.
Brad Keselowski finished third, Kyle Busch was fourth and Carl Edwards was fifth.
Keselowski, who was awarded the pole when qualifying was rained out on Friday, led the first nine laps of the race before Kahne ran him down on Lap 10.
Kahne remained out front until a round of green-flag pit stops started on Lap 44.
Once the stops cycled through, Kahne remained the leader followed by Keselowski and Kevin Harvick. Kyle Busch was forced to pit a second time after NASCAR penalized him for speeding on pit road.
Debris on the track brought out the first caution on Lap 66. During the pit stops under caution Greg Biffle was penalized for a tire violation and was forced to restart from the rear of the field.
On the restart on Lap 71, Kahne led the way followed by Keselowski and Harvick.
Jimmie Johnson moved around Kahne for the lead on Lap 75 and remained out front until another round of green-flag pit stops began on Lap 118. During the round of stops, Denny Hamlin was flagged by NASCAR for speeding on pit road.
Once the cycle of pit stops completed on Lap 125, Johnson retained the lead followed by Khane and Keselowski.
Kahne made his way back into the lead, passing Johnson for the lead on Lap 138.
Marcos Ambrose got loose and brought out the second caution of the race on Lap 160. After the lead-lap cars pit for fuel and tires, Kyle Busch took over the top spot on the restart on Lap 166.
Kahne once again made his way back into the lead on Lap 181.
Bobby Labonte spun in Turn 2 to bring out a caution on Lap 196. Kahne was the first car off pit road but Hamlin elected not to pit and inherited the lead on the restart on Lap 200.
Kyle Busch went three-wide on the restart and bolted into the lead only to lose it back to Kahne on Lap 211.
Travis Kvapil's engine blew to bring out another caution on Lap 224. All of the lead-lap car headed down pit road with Matt Kenseth coming off pit road first after taking just fuel. He led the way on the restart on Lap 231 followed by Keselowski and Johnson.
Kenseth held the lead on the restart but the race returned to caution on Lap 236 when Ryan Newman's engine blew.
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