Lap-by-Lap: Pocono

Lap 200 -- CHECKERED FLAG: Kasey Kahne wins the Pocono 500, his second victory of the season.

Lap 199 -- WHITE FLAG: Kasey Kahne has 2.5 miles remaining. Brian Vickers is in second. Denny Hamlin third. Dale Earnhardt Jr. and Jeff Burton battle hard for fourth place.

Lap 198 -- Denny Hamlin's bid to get around second-place Brian Vickers is deflated. He trails Vickers by nearly two seconds.

Lap 196 -- Kasey Kahne's lead is 3.693 seconds on Brian Vickers.

Lap 191 -- Jeff Burton moves into fifth position after passing Jimmie Johnson.

Lap 190 -- Kasey Kahne's lead is now up to 2.045 seconds on Brian Vickers.

Lap 188 -- Jimmie Johnson's pit strategy has landed him in eighth position.

Lap 185 -- LEAD CHANGE: Kasey Kahne edges his way around Brian Vickers to take the top spot once again.

Lap 183 -- Kasey Kahne moves around Dale Earnhardt Jr. for second.

Lap 182 -- GREEN FLAG: Brian Vickers gets the race back under way. The top two cars did not pit during this cycle.
1. Brian Vickers
2. Dale Earnhardt Jr.
3. Kasey Kahne
4. Bobby Labonte
5. Regan Smith

Lap 181 -- Carl Edwards has a flat left-rear tire and heads back down pit road for new tires.

Lap 180 -- LEAD CHANGE: Brian Vickers is the new race leader because he had pitted before the caution.

Lap 178 -- Leaders head to pit road:
• Carl Edwards gets four tires and a track-bar adjustment
• Matt Kenseth gets four tires and small adjustments
• A.J. Allmendinger takes four tires and a track-bar adjustment

Lap 177 -- LEAD CHANGE: Matt Kenseth is credited as the leader because Carl Edwards was headed to pit road when the yellow came out, but dove back onto the track. Kenseth had passed him for the lead.

Lap 177 -- YELLOW FLAG NO. 10: Kyle Busch spins coming off Turn 1 to bring out the caution.

Lap 176 -- Kurt Busch is in for his stop and gets four tires and a wedge adjustment.

Lap 176 -- LEAD CHANGE: Carl Edwards gets the lead after Kahne's pit stop.

Lap 175 -- Kasey Kahne is in for his green-flag stop. Fuel and four tires for Kahne, and a slight wedge adjustment on the right side. Denny Hamlin is also in for adjustments.

Lap 174 -- Carl Edwards moves around Denny Hamlin to take second.

Lap 171 -- Tony Stewart is in for a pit stop. He gets changes and tires.

Lap 168 -- Jimmie Johnson pits and returns to the track in 27th position.

Lap 168 -- Following the green-flag pit stops, Kasey Kahne's lead is 9.576 seconds.
1. Kasey Kahne
2. Denny Hamlin
3. Carl Edwards
4. Matt Kenseth
5. Jeff Burton

Lap 167 -- Greg Biffle is penalized for speeding on pit road and will have to serve a pass-through penalty.

Lap 166 -- LEAD CHANGE: Brian Vickers is on pit road for his stop. He gets adjustments and tires. Dale Earnhardt Jr. is also in for his stop, as is teammate Jeff Gordon. Both are gambling to make it to the end. Greg Biffle is also in for his stop due to a potential tire going down. Kasey Kahne is the new leader.

Lap 162 -- Dave Blaney is penalized for speeding on pit road, but he does not adhere to the penalty. NASCAR black-flags him, and he finally serves his pass-through penalty.

Lap 159 -- LEAD CHANGE: Dave Blaney is in for his pit stop, giving the lead to Brian Vickers.

Lap 158 -- LEAD CHANGE: Carl Edwards is in for his stop and gets adjustments all around. Jamie McMurray is also on pit road. Dave Blaney is the new race leader.

Lap 157 -- LEAD CHANGE: Greg Biffle is in for his pit stop. He gets minor changes and four tires. Matt Kenseth is in for his stop, as is A.J. Allmendinger. The new leader is Carl Edwards.

Lap 156 -- Kurt Busch is in for his stop with a tight car. Ryan Newman is also in but he is loose. Both get adjustments.

Lap 153 -- LEAD CHANGE: Greg Biffle takes the lead when Kasey Kahne makes his stop. Jeff Burton and Kevin Harvick are in for pit stops.

Lap 152 -- Leader Kasey Kahne heads to pit road to make his stop. He is pleased with his car and gets no changes, just four tires.

Lap 151 -- Martin Truex Jr. is in fighting a loose car. He gets air-pressure and chassis adjustments.

Lap 150 -- Tony Stewart and Denny Hamlin are on pit road. Stewart gets wedge to fight a loose car.

Lap 149 -- Roush Fenway Racing has three cars in the top five: Greg Biffle (second), Carl Edwards (third) and Matt Kenseth (fourth).

Lap 144 -- Kasey Kahne leads Greg Biffle by 3.380 seconds.

Lap 139 -- Carl Edwards goes around Tony Stewart with a faster racecar.

Lap 138 -- Mark Martin is in to make his scheduled pit stop. He gets tires and fuel in 14.3 seconds.

Lap 137 -- Jimmie Johnson gives up his top-10 position to make a green-flag pit stop. He gets four tires and fuel in 14.5 seconds. This was a scheduled stop.

Lap 135 -- Greg Biffle gets around Tony Stewart for second place.

Lap 134 -- GREEN FLAG: Kasey Kahne leads the field to green.
1. Kasey Kahne
2. Tony Stewart
3. Greg Biffle
4. Jimmie Johnson
5. Denny Hamlin

Lap 133 -- Kyle Busch is back on the track making laps. He is in 43rd position, 83 laps down.

Lap 132 -- Jeff Gordon and Dale Earnhardt Jr. headline the drivers who make pit stops, both getting fresh tires. Bobby Labonte also pits.

Lap 130 -- YELLOW FLAG NO. 9: Dario Franchitti spins and backs his car into the wall in Turn 1. Sam Hornish Jr. hits the wall as well and bounces back through the grass. Franchitti has major rear damage. Hornish goes to the garage.

Lap 130 -- Juan Montoya and Clint Bowyer are back on track.

Lap 129 -- LEAD CHANGE: Kasey Kahne squeezes his way around Jimmie Johnson for the top spot.

Lap 128 -- Jeff Gordon continues to fall back. He's now running 15th.

Lap 126 -- Kasey Kahne and Tony Stewart go to the outside of Jeff Gordon to take second and third, respectively. Greg Biffle goes by Gordon as well.

Lap 125 -- GREEN FLAG: Jimmie Johnson gets the race back under way:
1. Jimmie Johnson
2. Jeff Gordon
3. Kasey Kahne
4. Tony Stewart
5. Greg Biffle

Lap 124 -- LEAD CHANGE: Jimmie Johnson is the leader after staying out during pit stops. Jeff Gordon is second, and he did not pit either.

Lap 123 -- Leaders head to pit road:
• Greg Biffle gets right-side tires only to tighten his car
• Biffle hits a crew member on his way out, and gets tapped by Michael McDowell
• Tony Stewart gets changes on his car and tires
• Kasey Kahne is tight and orders changes to his chassis
• Denny Hamlin gets a chassis adjustment to his car

Lap 122 -- YELLOW FLAG NO. 8: Dario Franchitti slaps David Gilliland, then slides up into the Turn 3 wall. Jason Leffler also has some damage to his car.

Lap 121 -- Tony Stewart leads Greg Biffle by 2.193 seconds.

Lap 116 -- Dale Earnhardt Jr. has fallen from fifth to 10th since the restart. He took just two tires on his pit stop.

Lap 113 -- Kasey Kahne passes Dale Earnhardt Jr. for fifth position.

Lap 109 -- LEAD CHANGE: Tony Stewart dives below Elliott Sadler in Turn 3 and takes the point.

Lap 108 -- GREEN FLAG: Elliott Sadler leads the field to green.
1. Elliott Sadler
2. Tony Stewart
3. Bobby Labonte
4. Martin Truex Jr.
5. Dale Earnhardt Jr.

Lap 107 -- LEAD CHANGE: Elliott Sadler, who pitted before the caution, takes the lead. The three other cars who pitted -- Tony Stewart, Bobby Labonte and Martin Truex Jr. -- are behind him.

Lap 106 -- Leaders head to pit road:
• Carl Edwards has a free car in the corner and gets an air-pressure change
• Jimmie Johnson is struggling in Turn 3 with a tight car and gets changes
• Denny Hamlin gets a chassis adjustment and drops a tearoff
• Kasey Kahne takes wedge out of the right-rear
• Dale Earnhardt Jr. wins the race off pit road with a two-tire stop

Lap 105 -- YELLOW FLAG NO. 7: Michael Waltrip spins in Turn 1 and backs into the wall.

Lap 105 -- Tony Stewart hits pit road for a wedge adjustment and tires. Martin Truex Jr. pits as well.

Lap 104 -- Elliott Sadler pulls onto pit road with Bobby Labonte for green-flag pit stops.

Lap 100 -- At the halfway point, Kasey Kahne has worked his way back to sixth position. On Lap 58 he was forced to pit twice and fell to 38th position.

Lap 94 -- Kurt Busch is running in ninth. He spun on Lap 39 but has made a full recovery.

Lap 92 -- Jimmie Johnson moves into second place, and Carl Edwards follows him into third as they go around Elliott Sadler.

Lap 90 -- LEAD CHANGE: Denny Hamlin moves around Elliott Sadler to take the lead.

Lap 88 -- Denny Hamlin moves into second position after restarting in fifth.

Lap 87 -- GREEN FLAG: Elliott Sadler gets the race going as the top six cars did not pit:
1. Elliott Sadler
2. Bobby Labonte
3. Dave Blaney
4. Martin Truex Jr.
5. Denny Hamlin

Lap 86 -- LEAD CHANGE: Elliott Sadler stays on the track and becomes the new leader.

Lap 85 -- Leaders head to pit road:
• Greg Biffle has a tight car and gets adjustments
• Jimmie Johnson is feeling a balanced car and gets tires
• Dale Earnhardt Jr. gets air pressure and four tires
• Matt Kenseth gets four tires after consecutive two-tire stops

Lap 81 -- YELLOW FLAG NO. 6: Clint Bowyer crashes hard on the frontstretch and collects Juan Montoya as well. Bowyer's car comes to a rest on the inside wall. Montoya drives his car to the end of pit road with the rear end on fire. He gets out and is OK.

Lap 79 -- Travis Kvapil is having another strong performance and is running 10th.

Lap 74 -- GREEN FLAG: Jimmie Johnson gets the race back under way.
1. Jimmie Johnson
2. Brian Vickers
3. Matt Kenseth
4. Mark Martin
5. Dale Earnhardt Jr.

Lap 72 -- Denny Hamlin comes to pit road for fresh tires and some adjustments to his car.

Lap 71 -- YELLOW FLAG: Cars are refired and are rolling back onto the track at 3:58 p.m. ET. The total time of the red flag was 7 minutes, 48 seconds.

Lap 71 -- RED FLAG: Officials have stopped the cars on pit road to attempt to dry the track at 3:50 p.m. ET.

Lap 70 -- The top 11 cars stayed on the track during the caution. From 12th on back, a variety of strategies took place between two tires and four tires.

Lap 69 -- Rain begins to fall on parts of the track.

Lap 68 -- YELLOW FLAG NO. 5: Turn 1 collects Patrick Carpentier and Sam Hornish Jr. again. The two went into the corner side-by-side with Carpentier on the inside. He got loose and slapped Hornish. David Gilliland spins as well.

Lap 66 -- Greg Biffle is without his cooling box for the second week in a row. He runs in 11th.

Lap 64 -- LEAD CHANGE: Jimmie Johnson pulls below Brian Vickers to take the top spot before they reach Turn 1.

Lap 64 -- GREEN FLAG: Brian Vickers gets the race going again.
1. Brian Vickers
2. Jimmie Johnson
3. Mark Martin
4. Matt Kenseth
5. Scott Riggs

Lap 59 -- Kasey Kahne comes back down pit road to get left-side tires. His crew had originally planned for four, but switched to two tires at the last second. However, the crew had removed lug nuts from the left wheels, so Kahne had to come back in to complete the service.

Lap 58 -- LEAD CHANGE: Brian Vickers stays out and becomes the leader.

Lap 58 -- Leaders head to pit road:
• Carl Edwards gets an air-pressure adjustment and some fluids for the driver
• Denny Hamlin gets four tires and is loose off the corner
• Kasey Kahne gets just right-side tires due to a last-second call

Lap 57 -- YELLOW FLAG NO. 4: Sam Hornish and Patrick Carpentier crash in Turn 1. Hornish caught the rear of Carpentier in the corner and both spun into the grass.

Lap 54 -- Denny Hamlin takes third place from Mark Martin. Carl Edwards is on Martin's tail.

Lap 52 -- After his spin, Kurt Busch has recovered and runs 25th thanks to his team repairing the splitter.

Lap 50 -- GREEN FLAG: Jimmie Johnson leads the field to green.
1. Jimmie Johnson
2. Tony Stewart
3. Mark Martin
4. Carl Edwards
5. Denny Hamlin

Lap 47 -- A handful of drivers head to pit road, including Martin Truex Jr. to get fresh tires. Jamie McMurray is in to evaluate any damage he suffered from Kyle Busch's car.

Lap 46 -- YELLOW FLAG NO. 3: Kyle Busch comes off Turn 3 and squeezes Jamie McMurray as they cross the start/finish line. Busch's car suffers right-front damage when it turns into the wall. He continues and heads to the garage.

Lap 44 -- Mark Martin goes low to pass Martin Truex Jr., and Tony Stewart makes it three-wide to pass them both. Truex drops three more positions before the lap is finished.

Lap 43 -- LEAD CHANGE: Jimmie Johnson moves beneath Martin Truex Jr. to take the lead.

Lap 43 -- GREEN FLAG: Martin Truex Jr. gets the race back under way.
1. Martin Truex Jr.
2. Jimmie Johnson
3. Mark Martin
4. Tony Stewart
5. Scott Riggs

Lap 42 -- LEAD CHANGE: Martin Truex Jr. stays out and takes the lead.

Lap 41 -- Kasey Kahne is credited with the lead as cars roll down pit road.

Lap 40 -- Drivers hit pit road:
• Carl Edwards gets two tires and minor adjustments
• Jimmie Johnson gets two tires as well and is off pit road first
• Kasey Kahne goes for four tires during his stop

Lap 40 -- Kurt Busch is on pit road for tires and fuel. His splitter struts are broken. The crew cleans off the grass.

Lap 39 -- YELLOW FLAG NO. 2: Kurt Busch spins coming out of Turn 1 and slides through the bumpy grass. He was running 12th.

Lap 38 -- Carl Edwards restarted sixth, but he has fallen back to ninth since the green.

Lap 35 -- LEAD CHANGE: Kasey Kahne goes below Scott Riggs to take the top position.

Lap 33 -- Kasey Kahne goes back around Jimmie Johnson to take second place again.

Lap 32 -- Jimmie Johnson ducks below Kasey Kahne to take second position. Kahne had tried to take the lead, but his car got loose.

Lap 31 -- GREEN FLAG: Scott Riggs gets the race back under way.
1. Scott Riggs
2. Kasey Kahne
3. Jimmie Johnson
4. Mark Martin
5. Dale Earnhardt Jr.

Lap 30 -- Martin Truex Jr., who had pitted just before the caution, is penalized for an equipment violation -- his catch can was not engaged during fueling. He will restart at the tail of the longest line.

Lap 29 -- LEAD CHANGE: Scott Riggs had already pitted, so he assumes the lead.

Lap 28 -- Everyone heads down pit road:
• Carl Edwards is tight in Turn 3 and his crew tries to free things up
• Jimmie Johnson's car is free, so the crew goes up on the track bar
• Kasey Kahne gets a track-bar adjustment for a tight car
• Denny Hamlin gets an air-pressure and track-bar adjustment
• David Ragan misses his pit stall, but backs up and completes service

Lap 27 -- YELLOW FLAG NO. 1: Debris is on the track.

Lap 26 -- Martin Truex Jr. and Scott Riggs are in for their scheduled pit stops.

Lap 25 -- A.J. Allmendinger continues his stout performance at Pocono. He's in seventh, one position higher than his starting spot.

Lap 23 -- Joe Nemechek is hanging tough. He started fifth and runs in the 11th position.

Lap 17 -- LEAD CHANGE: Kasey Kahne pulls behind Jimmie Johnson coming out of Turn 2 and Johnson moves over to let him go.

Lap 13 -- Jimmie Johnson and Kasey Kahne are within a half-second of each other, but it's 2.706 seconds back to third-place Mark Martin.

Lap 7 -- Jeff Gordon has moved from his 36th starting position to run 27th.

Lap 4 -- Tony Stewart is on the move, jumping from his 10th starting spot and now running sixth.

Lap 1 -- Jimmie Johnson pulls ahead of Kasey Kahne after Turn 1 and holds on to lead the first lap.

2:19 p.m. -- GREEN FLAG: Kasey Kahne and Jimmie Johnson get the Pocono 500 under way.

2:17 p.m. -- Kevin Harvick drops to the rear of the field for changing his battery.

2:13 p.m. -- Kevin Harvick could be facing a battery problem.

2:12 p.m. -- Kyle Busch will be dropping from his 10th starting position to the back of the pack due to using a backup car. Those joining him:
• Bill Elliott
• Sam Hornish Jr.

2:11 p.m. -- Cars are rolling off of pit road and onto the racetrack.

2:07 p.m. -- "Gentlemen, start your engines!"

2:01 p.m. -- Clarke Louis performs the national anthem.

2 p.m. -- Phil De Rea delivers the invocation.

12:30 p.m. -- NASCAR on TNT is on the air with its pre-race coverage.

WEEKEND HEADLINES
• Daily Diary: Busch takes you inside his busy weekend
• Busch crashes in practice; Edwards tops in sessions
• TNT celebrates 25 years as NASCAR broadcast partner
• Pennsylvania math teacher uses NASCAR as learning tool
• Caraviello: Schedule needs overhaul; it's NASCAR's job
• Kahne only one to top 170, earns first pole of season
• No joke: McMurray staying at Roush Fenway for now
• Drivers gripe about Pocono but love track's new 'patch'
• Loop data dissects Busch's stats at tripleheader tracks
• Possible purchase of Alltel puts sponsor's fate in peril
• Roush hoping current run will translate to Pocono