Kasey Kahne celebrated his 26th birthday a day early by winning the Samsung/RadioShack 500 at Texas. Credit: Autostock

Lap-by-Lap: Texas

Lap 334 -- CHECKERED FLAG: Kasey Kahne wins the Samsung/RadioShack 500 at Texas.

Lap 334 -- Clint Bowyer crashes on the final lap as the leaders take the checkered flag.

Kasey Kahne won his second race this season after starting from the pole position. Credit: Autostock

Samsung/RadioShack 500 Official Results Pos. Driver Make 1. Kasey Kahne Dodge 2. Matt Kenseth Ford 3. Tony Stewart Chevy 4. Denny Hamlin Chevy 5. Kevin Harvick Chevy 6. Jeff Burton Chevy 7. Scott Riggs Dodge 8. Martin Truex Jr. Chevy 9. Mark Martin Ford 10. Bobby Labonte Dodge • Complete results, click here • Official standings, click here Victory LaneKasey Kahne celebrates in Victory Lane after winning the Samsung/Radio Shack 500 Final lapsKasey Kahne passes Tony Stewart down the stretch Hard hitCarl Edwards' bad luck continues as he wrecks on Lap 257 All-tellingRyan Newman blames Sterling Marlin for his Lap 201 wreck Rookie stripeJ.J. Yeley gets loose and slams the Turn 4 wall Lite tap?Contact with Kurt Busch sends Greg Biffle to the garage Sign up for TrackPass now BUY THE NEXTEL i836

Lap 333 -- WHITE FLAG: Kasey Kahne's lead is more than 4.5 seconds.

Lap 329 -- All three RCR cars are in the top 10: Kevin Harvick (fifth), Jeff Burton (sixth) and Clint Bowyer (seventh).

Lap 327 -- Kasey Kahne's lead is 3.37 seconds.

Lap 324 -- Kasey Kahne has nearly a 2-second lead over Matt Kenseth, who just passed Tony Stewart for second.

Lap 321 -- Ten of the top-20 positions changed on this lap.

Lap 318 -- GREEN FLAG: Kasey Kahne takes the green, while Robby Gordon is at the tail end of the lead lap.

Lap 314 -- All the cars hit pit road:
• Kasey Kahne's crew gets him out first
• Tony Stewart is second
• Matt Kenseth is third
• Clint Bowyer takes two tires and is out fourth
• Jeff Burton gains five spots and probably took two tires
• Reed Sorenson stops short of his pit box, has to pull up and then is caught speeding off pit road
• Jimmie Johnson is up to 11th after being two laps down earlier in the race

Lap 313 -- CAUTION FLAG: Debris on the track
• Robby Gordon had just pitted and falls a lap down

Lap 308 -- LEAD CHANGE: Kasey Kahne holds the outside line and takes the lead over Tony Stewart after several laps of picking his line.

Lap 302 -- Kasey Kahne catches Tony Stewart and the two run side-by-side as they get around the lapped car of J.J. Yeley.

Lap 288 -- Elliott Sadler goes to pit road and behind the wall with a reported engine failure.

Lap 286 -- Scott Riggs, who started 20th, has worked his way into the sixth position.

Lap 280 -- Rookies Denny Hamlin, Martin Truex Jr. and Reed Sorenson are running fourth, fifth and sixth, respectively. Two rookies haven't finished in the top five since 2002.

Lap 265 -- LEAD CHANGE: Tony Stewart motors by Kasey Kahne for the lead.

Lap 264 -- GREEN FLAG: Kasey Kahne heads everyone into Turn 1:
1. Kasey Kahne
2. Denny Hamlin
3. Tony Stewart
4. Matt Kenseth
5. Martin Truex Jr.

Lap 263 -- Jimmie Johnson and Kyle Busch top off with fuel, placing them inside a fuel window that could take them to the finish.

Lap 259 -- Some cars go to pit road:
• Kyle Busch, Clint Bowyer and Jimmie Johnson hit pit road for tires and a top-off of fuel
• Mike Garvey goes behind the wall with damage
• Jeff Gordon goes to the pits because of damage when Carl Edwards swiped him before the spin

Lap 257 -- CAUTION FLAG: Carl Edwards gets loose and spins coming out of Turn 2 while racing for second position on the outside of the lapped car of Jeff Gordon. There is major damage after hitting the inside wall.

Lap 255 -- GREEN FLAG: Kasey Kahne paces the field to green, as the top five looks like this with 79 to go:
1. Kasey Kahne
2. Denny Hamlin
3. Carl Edwards
4. Tony Stewart
5. Matt Kenseth

	Kasey Kahne's crew gave him the lead late in the race. Credit: Autostock
	KAHNE WINS AT TEXAS Kasey Kahne became the 11th different winner in as many Nextel Cup races held at Texas Motor Speedway, yet he still managed to score a first -- by doing it from the pole.  •   Complete story, click here

Lap 251 -- All the cars hit pit road for pit stops:
• Kasey Kahne had the fastest time and wins the race off pit road with no changes
• Denny Hamlin's 13.1-second stop was good enough for second
• Carl Edwards got off third with a 13.7-second stop
• Tony Stewart was fourth
• Matt Kenseth gained four positions to get fifth off pit road
• Jimmie Johnson gets the Lucky Dog

Lap 250 -- CAUTION FLAG: Kyle Petty's engine blows up as smoke bellows from the No. 45 machine.

Lap 233 -- Kasey Kahne has moved from fourth to second in the past five laps.

Lap 224 -- Jeff Gordon has a left-rear flat tire in Turn 3.

Lap 220 -- Positions 11-15 (Reed Sorenson, Jeff Gordon, Elliott Sadler, Jeff Burton and Robby Gordon) are running nose-to-tail battling for position.

Lap 210 -- Ryan Newman is interviewed in the garage and blames his accident on Sterling Marlin.

Lap 207 -- LEAD CHANGE: Matt Kenseth passes Denny Hamlin, but Carl Edwards slips by both of them to take the lead. Kenseth falls to fourth after Hamlin gets back by and Tony Stewart goes by as well.

Lap 206 -- GREEN FLAG: Denny Hamlin takes the green, as the top five looks like this:
1. Denny Hamlin
2. Matt Kenseth
3. Carl Edwards
4. Kevin Harvick
5. Tony Stewart

Lap 202 -- Some of the leaders pit, but Denny Hamlin and the top-nine cars stay out:
• Kyle Petty is the Lucky Dog
• Jeff Green and Dale Earnhardt Jr. get in a tiff over some rough racing

Lap 201 -- CAUTION FLAG: Ryan Newman backs his car hard into the Turn 2 wall. His day is done.

Denny Hamlin led 41 laps and got his first top-five finish. Credit: Autostock

Lap 196 -- GREEN FLAG: Denny Hamlin takes the green. The top-five drivers are:
1. Denny Hamlin
2. Matt Kenseth
3. Carl Edwards
4. Kevin Harvick
5. Kasey Kahne

Lap 191 -- All the cars hit pit road for four tires:
• Denny Hamlin had the quickest time on pit road and maintained the lead
• Matt Kenseth was second with a major track-bar adjustment
• Carl Edwards was third
• Mark Martin picked up two positions
• Tony Stewart continues to experiment with tire pressure
• Kyle Busch is asked to return to pit road to fix a right-rear rod that's sticking out
• Ryan Newman also has a right-rear rod sticking out
• Dale Jarrett is the Lucky Dog

Lap 190 -- CAUTION FLAG: J.J. Yeley slams the wall between Turns 3 and 4. He said he got too loose going into the turn and lost control.

Lap 187 -- Three of the top-five drivers started worse than 35th.

Lap 178 -- LEAD CHANGE: Denny Hamlin gets underneath Matt Kenseth to take the lead.

Lap 174 -- After being a lap down just 15 laps ago, Robby Gordon is now running 15th.

Lap 167 -- LEAD CHANGE: Matt Kenseth takes the lead over Carl Edwards by passing him as they cross the line.

Lap 164 -- GREEN FLAG: Carl Edwards leads the field to the flag. The top-five drivers are:
1. Carl Edwards
2. Kyle Busch
3. Matt Kenseth
4. Mark Martin
5. Denny Hamlin

Pit strategy gave Carl Edwards the lead, but his day didn't go as planned. Credit: Autostock

Lap 161 -- All the leaders hit pit road:
• Carl Edwards takes right-side tires only and claims the lead
• Kyle Busch takes two tires and is second
• Mark Martin also takes two and gains 11 positions to fourth place
• Elliott Sadler stayed out to lead a lap before pitting and making major chassis adjustments

Lap 160 -- CAUTION: Debris on the track.
• Ryan Newman gets the Lucky Dog
• Robby Gordon gets his lap back
• Jimmie Johnson gets one of his two laps back

Lap 160 -- LEAD CHANGE: Matt Kenseth completes his last-to-first run when he moves past Denny Hamlin for the lead.

Lap 150 -- GREEN FLAG: Denny Hamlin leads a pack that goes three-wide at the restart.

Lap 147 -- All of the leaders hit pit road for four tires and fuel:
• Denny Hamlin wins the race off pit road, gaining three positions
• Carl Edwards is second after a 13.7-second stop
• Tony Stewart dropped to fifth after pit stops
• Jeff Burton gained three positions and is 10th

Lap 146 -- CAUTION FLAG: The yellow waves for the tire in the infield.

Lap 145 -- Jimmie Johnson begins green-flag pit stops, but a tire goes rolling onto the infield grass. No caution yet.

Lap 142 -- Kevin Harvick goes by Denny Hamlin for second place, but he still trails Tony Stewart by more than 3 seconds.

Lap 128 -- Kurt Busch takes his car behind the wall.

Lap 120 -- The top-five drivers are:
1. Tony Stewart
2. Denny Hamlin
3. Kevin Harvick
4. Martin Truex Jr.
5. J.J. Yeley

Lap 119 -- Kurt Busch, running 41st, is black-flagged for a smoking car. A tire is rubbing his fender as he heads to pit road.

Lap 106 -- Kasey Kahne, who restarted first, is now running eighth while complaining of handling problems.

Tony Stewart's fans were pleased Sunday, although they didn't get to see him climb the fence. Credit: Autostock

Lap 101 -- Teammates Carl Edwards, who started 37th, and Matt Kenseth, who started 40th, are running ninth and 10th, respectively.

Lap 93 -- LEAD CHANGE: Tony Stewart passes his teammate Denny Hamlin to move from 36th to first in less than 100 laps. Stewart has now led in each race this season.

Lap 92 -- LEAD CHANGE: Denny Hamlin passes Kasey Kahne for the lead, and Tony Stewart is on Hamlin's tail.

Lap 90 -- GREEN FLAG: Kasey Kahne gets the race going again.

Lap 89 -- Dale Earnhardt Jr. and a few others hit pit road when it opens.

Lap 88 -- Jeff Gordon hits pit road again, although pit road was not open. His crew checks a right-rear spring rubber to make sure it did not fall out. Gordon will restart at the tail end of the longest line.

Lap 87 -- CAUTION FLAG: The red flag has lifted and cars are rolling again after repairs to the fence are complete.

Lap 87 -- RED FLAG: Cars are stopped on pit road while minor repairs are made to the Turn 3 wall.

Lap 86 -- Greg Biffle's girlfriend, Nicole, visits Kurt Busch's pit box and chats heatedly atop the box with Busch's fiancée, Eva.

Lap 84 -- All of the lead-lap cars hit pit road:
• Lots of damage is on Kurt Busch's nose; concern of radiator problems
• Everybody takes four tires
• Kasey Kahne wins the race off pit road
• Gibbs cars of Denny Hamlin, Tony Stewart and J.J. Yeley follow
• Jeff Gordon gets the Luck Dog

Lap 82 -- CAUTION FLAG: Greg Biffle gets tagged by Kurt Busch as they enter Turn 3 and smashes into the wall. His No. 16 Ford that had been dominant all day rests at the bottom of the turn.

Lap 78 -- Carl Edwards, one of the first cars who pitted during the yellow, is running seventh. He has improved 30 positions after starting 37th.

Lap 74 -- Kasey Kahne puts Jeff Gordon a lap down, while the Gibbs cars fight with Martin Truex Jr. for second through fifth.

	Greg Biffle led early until he fought the wall, and the wall won. Credit: Autostock
	FINGER-POINTING Greg Biffle made it clear that he felt he was sent into the wall by Kurt Busch, but Busch, obviously, had a different take.  •   Complete story, click here

Lap 72 -- LEAD CHANGE: Kasey Kahne goes to the high line and takes the lead back from J.J. Yeley.

Lap 70 -- LEAD CHANGE: J.J. Yeley slides under Kasey Kahne to take the lead at the line.

Lap 69 -- GREEN FLAG: Kasey Kahne leads the field to the flag. Seventeen cars are at least one lap down. Here's the top five:
1. Kasey Kahne
2. J.J. Yeley
3. Denny Hamlin
4. Martin Truex Jr.
5. Tony Stewart

Lap 66 -- Greg Biffle and most of the lead-lap cars hit pit road for four tires. Kasey Kahne's team director Kenny Francis watches Biffle go into the pits and directs his driver to stay out to take the lead.

Lap 65 -- CAUTION FLAG: Debris in Turn 2.
• Jimmie Johnson gets his lap back
• Kyle Busch is the Lucky Dog

Lap 62 -- Greg Biffle reassumes the lead over Kasey Kahne.

Lap 60 -- A peg on the bottom of Kurt Busch's car breaks while the jack man is trying to lift the right side of the car. The crew cannot get the jack from underneath the car. His stop is nearly a minute.

Lap 57 -- Green-flag pit stops for Greg Biffle, Mark Martin and most of the leaders. Matt Kenseth bumps into Scott Riggs entering pit road. Biffle gets blocked in his pit and is forced to back up before exiting.

Lap 55 -- Jimmie Johnson goes a lap down to Greg Biffle. Jamie McMurray to pit road.

Lap 50 -- Greg Biffle's lead is more than 7 seconds. The top-five drivers are:
1. Greg Biffle
2. Kasey Kahne
3. Mark Martin
4. Jeff Green
5. J.J. Yeley

Lap 35 -- Dale Jarrett, one of the fastest in practice, has already gone a lap down. He's complaining of a tight racecar.

Lap 26 -- Brian Vickers has smoke coming out of his car and has slowed down onto the apron. He coasts to the garage, as the engine is not running.

Lap 22 -- Greg Biffle has built a 4.159-second lead over Mark Martin and says his car is perfect.

Lap 14 -- LEAD CHANGE: Greg Biffle smoothly goes by Mark Martin to take the lead. Tony Stewart has moved from 36th to 23rd.

Lap 5 -- Polesitter Kasey Kahne has fallen back to seventh position. He hasn't said anything over the radio.

Lap 1 -- LEAD CHANGE: Mark Martin edges Kasey Kahne to the line to lead the first lap.

2:12 p.m. -- GREEN FLAG: Kasey Kahne leads the field into Turn 1.

2:07 p.m. -- In 77-degree weather, the cars roll onto the track for warmup laps.

2:02 p.m. -- President George W. Bush, via videotape from the White House: "I know you are all anxious to get today's Nextel Cup race started, so I am not going to take up a lot of your time. ... Now it's my honor to get this race going. Gentlemen, start your engines."

1:59 p.m. -- Three drivers are sent to the back: Matt Kenseth, Derrike Cope and Scott Wimmer (Wimmer was 43rd already).

1:55 p.m. -- Little Big Town sings the national anthem as four F-14 Eagle jets fly over.

1:54 p.m. -- Invocation.

1:45 p.m. -- Randy Travis performs in the infield.

1:40 p.m. -- Jeff Hammond makes his first appearance in a cowboy hat.

1:34 p.m. -- After Tony Stewart challenges Darryl Waltrip, Chris Myers and Larry McReynolds to a fence-climbing contest, he then calls Waltrip a "big wuss."

1:30 p.m. -- FOX's coverage of the Samsung/RadioShack 500 from Texas is on the air.

12:37 p.m. -- It's clear skies over Texas, 63 degrees and sunny. One hour until the green flag.