Lap-by-Lap: Pocono

CHECKERED FLAG: Denny Hamlin was the car to beat early and after 500 miles he wins the Pennsylvania 500.

Lap 199 -- WHITE FLAG: Denny Hamlin takes the white flag and is 2.5 miles away from his first win of the season. Juan Montoya in second would earn his first top-five of the season.

Lap 197 -- Denny Hamlin leads by 1.2 seconds.

Lap 196 -- Sam Hornish Jr., Kasey Kahne, Brian Vickers and Mark Martin in a good battle for fourth.

Lap 194 -- Denny Hamlin pulling away from Juan Montoya. Sam Hornish Jr. is working for a career-best finish currently fourth.

Lap 193 -- Kurt Busch and Jeff Gordon pass Jimmie Johnson for 10th and 11th. Denny Hamlin leads by 0.8 seconds.

Lap 192 -- Clint Bowyer gets loose in Turn 1 and Juan Montoya passes him for second.

Lap 191 -- LEAD CHANGE: Denny Hamlin passes Clint Bowyer in Turn 1 for the lead. Juan Montoya right behind the two. Jimmie Johnson up to 10th.

Lap 190 -- Denny Hamlin on the bumper of Clint Bowyer with Juan Montoya right behind the two of them.

Lap 189 -- Jimmie Johnson up to 17th after gaining eight positions on one lap. Kasey Kahne down to seventh.

Lap 188 -- Kasey Kahne bumps Juan Montoya sending him up the track. Denny Hamlin the big winner on the restart jumping to second.

Lap 187 -- GREEN FLAG: Clint Bowyer brings the field to the green.
1. Clint Bowyer
2. Sam Hornish Jr.
3. Kasey Kahne
4. Juan Montoya
5. Matt Kenseth

Lap 182 -- Jimmie Johnson and Greg Biffle on pit road.

Lap 180 -- YELLOW FLAG NO. 10: Big crash in Turn 1 collecting Reed Sorenson, Joey Logano, Michael Waltrip, Bobby Labonte, Jeff Burton and David Reutimann after David Ragan bumps Labonte.

Lap 180 -- Juan Montoya falls to fourth on the restart. Denny Hamlin up to sixth.

Lap 179 -- GREEN FLAG: Clint Bowyer brings the field to the green.
1. Clint Bowyer
2. Juan Montoya
3. Kasey Kahne
4. Sam Hornish Jr.
5. Tony Stewart

Lap 176 -- Kyle Busch, Scott Speed, Greg Biffle, Jamie McMurray, Jimmie Johnson and Joey Logano among the cars to pit.

Lap 174 -- YELLOW FLAG NO. 9: David Reutimann and Marcos Ambrose get together after Denny Hamlin bumps Reutimann. Ambrose and Reutimann with heavy damage. Jimmie Johnson gets the free pass and will return to the lead lap after being three laps down.

Lap 173 -- Kyle Busch hard into the wall but keeps going. He falls back to 24th.

Lap 172 -- Juan Montoya passes Sam Hornish Jr. for second. Hard racing for 12th with Scott Speed, Jeff Gordon, Kyle Busch, Carl Edwards and Mark Martin.

Lap 171 -- Scott Speed drops to 10th on the restart.

Lap 170 -- GREEN FLAG: Clint Bowyer brings the field to the green. Joey Logano with a flat tire as race goes green and he's on pit road.
1. Clint Bowyer
2. Scott Speed
3. Sam Hornish Jr.
4. Juan Montoya
5. Dale Earnhardt Jr.

Lap 169 -- Tony Stewart took fuel only and gained 17 spots and will restart sixth. Bobby Labonte also took fuel only and gained 15 spots to restart seventh. Kurt Busch will restart 15th, Jeff Gordon will restart 17th and Carl Edwards will restart 18th.

Lap 166 -- All the leaders hit pit road except for Clint Bowyer, Scott Speed, Sam Hornish Jr and Juan Montoya.
• Carl Edwards with four tires and a wedge adjustment
• Kurt Busch with four tires and no changes
• Mark Martin with an air pressure adjustment
• Denny Hamlin with a track bar adjustment and four tires
• Dale Earnhardt Jr. wins the race off pit road

Lap 165 -- YELLOW FLAG NO. 8: Debris in Turn 3 brings out the caution. Jimmie Johnson gets the free pass and is one lap down.

Lap 164 -- Some notables: A.J. Allmendinger in 13th, Dale Earnhardt Jr. in 14th, Elliott Sadler in 15th, Joey Logano in 17th, Tony Stewart in 19th. Juan Montoya is 33rd after coming in for fuel and tires along with Martin Truex Jr. and Sam Hornish Jr.

Lap 163 -- Reed Sorenson on pit road for an unexpected stop.

Lap 161 -- Carl Edwards jumps up to second. Jeff Gordon is up to fourth.

Lap 160 -- GREEN FLAG: Kurt Busch brings the field to the green.
1. Kurt Busch
2. Mark Martin
3. Brian Vickers
4. Carl Edwards
5. Kasey Kahne

Lap 159 -- Robby Gordon and David Stremme are both being held for five laps for aggressive driving.

Lap 158 -- Tony Stewart, Clint Bowyer, Dale Earnhardt Jr. and Joey Logano among the 20 cars to pit.

Lap 157 -- YELLOW FLAG NO. 7: Robby Gordon bumped David Stremme and Stremme wasn't thrilled about it spinning the No. 7 for a second time. Jimmie Johnson gets the free pass and is two laps down.

Lap 156 -- Denny Hamlin loses two more spots as Jeff Gordon and David Reutimann pass him for sixth and seventh.

Lap 154 -- LEAD CHANGE: Kurt Busch passes Mark Martin in Turn 1 to take the lead. Kevin Harvick up to ninth.

Lap 153 -- Kurt Busch up to second on the restart. Carl Edwards and Kasey Kahne pass Denny Hamlin for fourth and fifth.

Lap 152 -- GREEN FLAG: Mark Martin brings the field to the green.
1. Mark Martin
2. Brian Vickers
3. Denny Hamlin
4. Kurt Busch
5. Carl Edwards

Lap 151 -- Jimmie Johnson back on pit road and goes a lap down.

Lap 150 -- Marcos Ambrose in 18th is the highest-running car to pit. Elliott Sadler, Casey Mears, Jimmie Johnson, Michael Waltrip, David Stremme and Robby Gordon among the cars to pit.

Lap 149 -- YELLOW FLAG NO. 6: Robby Gordon spins and hits the wall in Turn 3 after contact with David Stremme. Jimmie Johnson gets the free pass and gets one of his laps back.

Lap 148 -- Jeff Burton and Sam Hornish Jr. are falling quick with old tires. Mark Martin and Brian Vickers are able to hang on for now.

Lap 147 -- Denny Hamlin jumps to third on the restart. Kurt Busch up to fourth.

Lap 146 -- GREEN FLAG: Mark Martin brings the field to the green.
1. Mark Martin
2. Brian Vickers
3. Jeff Burton
4. Sam Hornish Jr.
5. Denny Hamlin

Lap 145 -- Martin Truex Jr. and John Andretti are the wave-around cars.

Lap 144 -- LEAD CHANGE: Mark Martin takes the lead. Jimmie Johnson and Paul Menard hit pit road.

Lap 143 -- Mark Martin, Brian Vickers, Jeff Burton and Sam Hornish Jr. stay out while everyone else hits pit road.
• David Reutimann with a wedge adjustment and four tires
• Kurt Busch with two tires
• Kasey Kahne with a track bar adjustment and four tires
• Denny Hamlin with two tires
• Carl Edwards with two tires
• Kyle Busch with two tires

Lap 142 -- YELLOW FLAG NO. 5: David Ragan slams the wall in Turn 3 but is able to continue. Paul Menard gets the free pass for the third time today. Jimmie Johnson is on pit road with the hood up.

Lap 141 -- Denny Hamlin and Kasey Kahne have a nine-second lead on the rest of the field.

Lap 140 -- Matt Kenseth loses another spot as Carl Edwards passes him for sixth.

Lap 139 -- LEAD CHANGE: Denny Hamlin passes Kasey Kahne in Turn 1 to retake the lead.

Lap 138 -- Jeff Gordon passes Matt Kenseth for fifth.

Lap 137 -- Denny Hamlin has caught Kasey Kahne and is challenging for the lead.

Lap 135 -- The top five after green-flag stops:
1. Kasey Kahne
2. Denny Hamlin
3. David Reutimann
4. Kurt Busch
5. Matt Kenseth

Lap 133 -- LEAD CHANGE: Kasey Kahne takes the lead as green-flag stops come to an end. Kevin Harvick, Scott Speed and Casey Mears on pit road. Martin Truex Jr. being called back to pit road for a missing lug nut.

Lap 132 -- Denny Hamlin, Jeff Gordon, Kurt Busch, Kyle Busch, Mark Martin and Greg Biffle all on pit road.

Lap 131 -- Ryan Newman, Tony Stewart and Marcos Ambrose hit pit road. Newman with an air pressure and track bar adjustment. Stewart with a track bar adjustment.

Lap 129 -- Carl Edwards passes Marcos Ambrose for fourth.

Lap 127 -- LEAD CHANGE: Denny Hamlin leads as Kasey Kahne hits pit road. David Reutimann also on pit road. Reutimann with a track bar adjustment, Kahne with an air pressure adjustment.

Lap 126 -- Jamie McMurray on pit road beginning green-flag stops. Elliott Sadler also on pit road.

Lap 125 -- Denny Hamlin is closing quick on leader Kasey Kahne.

Lap 122 -- Denny Hamlin passes David Reutimann for second.

Lap 121 -- A look at the Chase bubble drivers: David Reutimann is second, Matt Kenseth is fourth, Greg Biffle is 12th, Brian Vickers is 15th, Juan Montoya is 20th and Kyle Busch is 22nd.

Lap 118 -- Kyle Busch not happy with his car as he has dropped to 22nd.

Lap 115 -- Kasey Kahne leads by 2.3 seconds. Tony Stewart and Carl Edwards pass David Ragan for ninth and 10th.

Lap 114 -- Jimmie Johnson has been warned by NASCAR to pick up his speed as he is not maintaining the minimum.

Lap 113 -- The problem on the No. 48 doesn't seem to be fixed as Jimmie Johnson continues to lose time on the straightaway.

Lap 112 -- Tony Stewart is 10th, Carl Edwards is 11th and Mark Martin is 12th.

Lap 110 -- Denny Hamlin passes Matt Kenseth for third.

Lap 109 -- Kasey Kahne gets around Jimmie Johnson putting him a lap down.

Lap 107 -- Denny Hamlin up to fifth. Ryan Newman up to ninth.

Lap 106 -- No. 48 team makes a quick fix and Jimmie Johnson is back to full power staying on the lead lap.

Lap 105 -- Jimmie Johnson on pit road as he can't figure out why he has lost speed.

Lap 104 -- After a tough restart Tony Stewart is back up to 11th. Jimmie Johnson has fallen to 26th as he is radioing his team saying he doesn't have any power.

Lap 103 -- Jimmie Johnson stuck in traffic as he restarted 18th.

Lap 102 -- Jeff Gordon with a huge restart jumping three spots to fifth on the inside.

Lap 101 -- GREEN FLAG: Kasey Kahne brings the field to the green.
1. Kasey Kahne
2. David Reutimann
3. Matt Kenseth
4. David Ragan
5. Marcos Ambrose

Lap 98 -- LEAD CHANGE: Kasey Kahne takes the lead as he stays out with David Reutimann, Matt Kenseth, David Ragan, Marcos Ambrose, Jamie McMurray, Tony Stewart and Elliott Sadler. Everyone else hits pit road.
• Carl Edwards with two tires and fuel
• Jimmie Johnson with four tires and a track bar adjustment
• Mark Martin with two tires
• Denny Hamlin with two tires and a wedge adjustment
• Kyle Busch with two tires and fuel

Lap 97 -- YELLOW FLAG NO. 4: Caution is out after Bobby Labonte spins in Turn 3. Paul Menard gets the free pass.

Lap 96 -- Tony Stewart finally hits pit road ending this round of green-flag stops.

Lap 95 -- Tony Stewart stays out but is losing time as he now runs fourth behind Denny Hamlin, Jimmie Johnson and Carl Edwards.

Lap 94 -- LEAD CHANGE: Marcos Ambrose pits giving the lead to Denny Hamlin. Tony Stewart is the only car to not pit yet.

Lap 93 -- LEAD CHANGE: Marcos Ambrose takes the lead as Matt Kenseth and David Ragan stop for four tires and fuel.

Lap 92 -- LEAD CHANGE: Matt Kenseth gets the lead when David Reutimann hits pit road for his stop.

Lap 91 -- LEAD CHANGE: David Reutimann claims the lead and five bonus points. Joey Logano and Jamie McMurray on pit road.

Lap 90 -- Denny Hamlin, Jimmie Johnson, Carl Edwards and Kasey Kahne all on pit road. Johnson with an air pressure and track bar adjustment. Hamlin with an air pressure adjustment.

Lap 89 -- Kurt Busch, Mark Martin, Ryan Newman, Brian Vickers, Greg Biffle and Reed Sorenson all on pit road.

Lap 88 -- A.J. Allmendinger makes his pit stop. Jeff Burton also on pit road.

Lap 87 -- Sam Hornish Jr. on pit road for his stop.

Lap 86 -- Kevin Harvick on pit road for his stop.

Lap 85 -- Jeff Gordon hits pit road to begin green-flag stops. Gordon with a track bar adjustment and four tires. Martin Truex Jr. also pits.

Lap 80 -- The top 10 are starting to spread out and put some distance between each other. Denny Hamlin leads by two seconds.

Lap 75 -- Four tires is working for Dale Earnhardt Jr. as he has worked his way up to 16th after being a lap down.

Lap 74 -- Denny Hamlin and Jimmie Johnson have put three seconds between them and the rest of the field.

Lap 71 -- Dale Earnhardt Jr. up to 18th. Tony Stewart up to 31st.

Lap 69 -- A.J. Allmendinger has quietly worked his way up to 13th. Sam Hornish Jr. having a great day currently in 14th.

Lap 68 -- Greg Biffle, Ryan Newman and Brian Vickers are three-wide at the line for 10th.

Lap 67 -- Jeff Gordon loses three spots on the restart and falls to sixth as Carl Edwards, Kasey Kahne and Kurt Busch all pass him.

Lap 66 -- GREEN FLAG: Denny Hamlin brings the field to the green on the outside.
1. Denny Hamlin
2. Jimmie Johnson
3. Jeff Gordon
4. Carl Edwards
5. Kurt Busch

Lap 63 -- The top 16 stayed out. Jeff Burton in 17th is the first car with fresh tires.

Lap 62 -- David Reutimann in 13th is the highest-running car to pit. Reutimann takes two tires. David Ragan, Dale Earnhardt Jr., Matt Kenseth, Joey Logano, Tony Stewart, Jamie McMurray and Michael Waltrip among half the field to the pit.

Lap 61 -- YELLOW FLAG NO. 3: Part of the caution light at the start/finish line has fallen on the track. Paul Menard gets the free pass.

Lap 60 -- Kyle Busch down to 10th as Kasey Kahne, Ryan Newman, Mark Martin and Busch all jockey for position.

Lap 59 -- Ryan Newman passes Kyle Busch for seventh.

Lap 58 -- Kasey Kahne loses two spots as Kyle Busch and Juan Montoya pass Kahne for sixth and seventh.

Lap 57 -- GREEN FLAG: Denny Hamlin brings the field to the green.
1. Denny Hamlin
2. Jimmie Johnson
3. Jeff Gordon
4. Carl Edwards
5. Kasey Kahne

Lap 56 -- LEAD CHANGE: John Andretti pits giving the lead to Denny Hamlin. Clint Bowyer, Kevin Harvick and Dale Earnhardt Jr. take the wave-around and move to the lead lap.

Lap 55 -- LEAD CHANGE: John Andretti stays out to lead a lap and collect five bonus points.

Lap 54 -- All the leaders hit pit road.
• Carl Edwards with four tires and a wedge adjustment
• Jeff Gordon with a wedge and chassis adjustment
• Jimmie Johnson with four tires and a adjustment
• Denny Hamlin with four tires and a track bar adjustment
• Tony Stewart with an extra-long stop trying to make the car right

Lap 53 -- YELLOW FLAG NO. 2: Paul Menard loses a right-rear tire bringing out the caution. No free pass is given.

Lap 52 -- Clint Bowyer, Kevin Harvick and Dale Earnhardt Jr. hit pit road beginning green-flag stops.

Lap 51 -- Dale Earnhardt Jr. loses two more spots as his car continues to get worse.

Lap 50 -- Dale Earnhardt Jr. continues to fall as he drops to 17th.

Lap 48 -- Clint Bowyer passes Dale Earnhardt Jr. for 14th. Tony Stewart falls to 33rd after Bobby Labonte passes him.

Lap 47 -- Patrick Carpentier back to the garage.

Lap 46 -- Marcos Ambrose and Jeff Burton get together as Ambrose tries to pass the No. 31. Ambrose up to 24th.

Lap 45 -- Chase bubble notables: Clint Bowyer is 15th, David Reutimann is 16th and Matt Kenseth is 17th.

Lap 41 -- Denny Hamlin has opened up a 1.9 second lead on Jimmie Johnson.

Lap 40 -- Tony Stewart not gaining on the track like he did at the beginning -- he's stuck in 32nd position.

Lap 39 -- Tony Raines takes his car back to the garage. Greg Biffle down to 14th.

Lap 38 -- Sterling Marlin takes his car to the garage.

Lap 35 -- Juan Montoya passes Kyle Busch for eighth.

Lap 34 -- Joe Nemechek is back in the race.

Lap 33 -- Kevin Harvick is running 12th and Dale Earnhardt Jr. is scored 13th.

Lap 32 -- Jimmie Johnson has caught leader Denny Hamlin and is challenging for the lead. Patrick Carpentier is back on the track.

Lap 31 -- Joe Nemechek takes his car to the garage.

Lap 30 -- Jimmie Johnson finally completes the pass of Jeff Gordon for second.

Lap 29 -- Dave Blaney and David Gilliland take their cars to the garage.

Lap 28 -- Jimmie Johnson goes to the inside and is racing Jeff Gordon for second.

Lap 27 -- Kyle Busch, Mark Martin and Juan Montoya battling for eighth.

Lap 26 -- Carl Edwards falls to sixth after Kasey Kahne and Kurt Busch pass him on the outside.

Lap 25 -- GREEN FLAG: Denny Hamlin brings the field to the green on the outside line. Patrick Carpentier takes his car to the garage.

Lap 24 -- LEAD CHANGE: David Gilliland pits giving the lead to Denny Hamlin, who won the race off pit road. Robby Gordon too fast on pit road and will start at the tail end of the field.

Lap 23 -- LEAD CHANGE: David Gilliland stays out and leads the lap to collect five points as Michael Waltrip pits.

Lap 22 -- All the leaders hit pit road for their first stop. Michael Waltrip stays out but doesn't collect the five points because Jimmie Johnson crosses the start/finish line first.
• Juan Montoya with four tires and a track bar and air pressure adjustment
• Jimmie Johnson with four tires and a chassis adjustment
• Mark Martin with an air pressure and wedge adjustment
• Denny Hamlin with four tires and a track bar adjustment

Lap 21 -- YELLOW FLAG NO. 1: The competition caution is out. Tony Stewart gets the free pass and is back on the lead lap.

Lap 18 -- Jeff Gordon has pulled away from Denny Hamlin and is comfortably in second. Jimmie Johnson leads by 2.2 seconds.

Lap 16 -- Dale Earnhardt Jr. up to 18th after starting 22nd.

Lap 15 -- Marcos Ambrose hits the wall after contact with Martin Truex Jr.

Lap 14 -- Denny Hamlin has closed the gap on second-place Jeff Gordon and is challenging for the position.

Lap 13 -- Tony Raines takes his car to the garage.

Lap 12 -- Tony Stewart goes a lap down after pitting. Stewart takes four tires and the crew makes some adjustments. Mike Wallace is being black-flagged to the garage because they do not have a pit crew.

Lap 11 -- Tony Stewart hits pit road for an unexpected pit stop.

Lap 9 -- The top-eight have spread out and are running single-file. Some good three-wide racing taking place deep in the field.

Lap 6 -- Jimmie Johnson now leads Jeff Gordon by 2.2 seconds. Tony Stewart up to 30th.

Lap 4 -- Kasey Kahne up to fifth after passing Carl Edwards. Juan Montoya gets stuck on the inside and loses a position to Mark Martin.

Lap 3 -- Kyle Busch and Brian Vickers pass Greg Biffle for 10th and 11th. Jimmie Johnson leads by 1.8 seconds.

Lap 2 -- Juan Montoya up to seventh. Tony Stewart has worked his way into 34th.

Lap 1 -- LEAD CHANGE: Jimmie Johnson gets a great start on the outside and takes the lead. Jeff Gordon drops into second.

12:21 p.m. -- GREEN FLAG: Jeff Gordon brings the field to the green and the Pennsylvania 500 is under way.

12:12 p.m. -- The cars are rolling off pit road and will make three warm-up laps.

12:09 p.m. -- There will be a competition caution at Lap 20. Tony Stewart will start the race from the rear after crashing in practice on Saturday and switching to his backup car.

12:08 p.m. -- Grand marshal Tom Foley gives the command: "Gentlemen, start your engines!"

12:02 p.m. -- Clarke Lewis performs the national anthem.

12:01 p.m. -- Philip DeRae, Pocono Raceway chaplain, gives the Invocation.

Noon -- ESPN's coverage of the race is under way.

11:30 a.m. ET -- Take two of the Pennsylvania 500 and the Monday weather looks much better. It's currently 69 degrees under partly cloudy skies. The clouds are supposed to burn off this afternoon as the temperatures reach the mid-70s. Green is scheduled for 12:15 p.m. ET.

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4:17 p.m. -- The Pennsylvania 500 has been postponed until Monday. The green will drop at 12:15 p.m. ET with ESPN's coverage beginning at noon ET.

4:06 p.m. -- NASCAR president Mike Helton is on ESPN saying that time is the big issue now. They need four hours to get the race in and it gets dark around 8:30 p.m. ET so they will have to make a decision in the next 10-15 minutes.

3:23 p.m. -- Rain is now falling all around the 2.5-mile speedway.

3:03 p.m. -- Weepers are becoming a concern as there are many on the track. It has also started sprinkling again and teams are putting the covers back on the cars.

2:02 p.m. -- Clarke Lewis performs the national anthem.

2:01 p.m. -- Philip DeRae, Pocono Raceway chaplain, gives the Invocation.

1:56 p.m. -- Barring a change in weather, NASCAR anticipates the green dropping shortly after 3 p.m. ET.

1:38 p.m. -- A good sign as driver introductions are under way.

1:27 p.m. -- The fog is starting to burn off and track drying continues.

1:04 p.m. -- NASCAR will throw a competition caution at Lap 20 to allow teams to make adjustments.

1 p.m. -- The rain has all but stopped but now there is a fog over the track. Track drying is under way and NASCAR has all intentions of getting the race in today. NASCAR Countdown is under way on ESPN.

12:30 p.m. ET -- Rain forced NASCAR to set the lineup for the Pennsylvania 500 by owner points and as race time approaches, rain is once again a factor. It's raining in Pocono but the good news is it's supposed to taper off this afternoon and NASCAR hopes to get the track dried for 200 laps of Cup Series action.