Lap 199 -- WHITE FLAG/LEAD CHANGE: Jimmie Johnson runs out of fuel and Greg Biffle takes the lead.

Lap 198 -- Greg Biffle gets real loose in Turn 2 as he turns up the heat.

Lap 197 -- Jimmie Johnson still leads with Greg Biffle right behind.

Lap 195 -- LEAD CHANGE: Jimmie Johnson is able to make the pass and hold it for the lead.

Lap 194 -- Jeff Gordon passes Denny Hamlin for fourth.

Lap 193 -- Jimmie Johnson and Greg Biffle are side-by-side in Turn 2 but Biffle maintains the lead.

Lap 191 -- Jimmie Johnson is on Greg Biffle's bumper with nine laps to go.

Lap 189 -- Jimmie Johnson now trails by 0.3 seconds as Greg Biffle continues to save fuel.

Lap 186 -- Jimmie Johnson continues to close on Greg Biffle, trailing now by 0.5 seconds.

Lap 184 -- Jimmie Johnson has cut 0.5 seconds off of Greg Biffle's lead and now trails by a second.

Lap 180 -- Jeff Gordon has caught the bumper of Denny Hamlin for fourth.

Lap 178 -- Jimmie Johnson passes Mark Martin for second.

Lap 177 -- Greg Biffle is maintaining his 1.5-second lead on Mark Martin. Jimmie Johnson is closing on Martin in second though.

Lap 175 -- If the race stays green fuel will be a major issue as drivers are trying to save.

Lap 173 -- Kasey Kahne has slipped to 10th.

Lap 170 -- Juan Montoya has fallen to ninth. Kasey Kahne is challenging Carl Edwards for sixth.

Lap 166 -- John Andretti and Sam Hornish Jr. top off on fuel.

Lap 165 -- Jeff Gordon passes Juan Montoya for fifth. The top-four of Greg Biffle, Mark Martin, Jimmie Johnson and Denny Hamlin have put some distance on the rest of the field.

Lap 163 -- Tony Stewart has fallen to 10th. Dale Earnhardt Jr. has slipped to 16th.

Lap 161 -- Juan Montoya, Jeff Gordon and Kasey Kahne are three-wide for fifth.

Lap 158 -- Kyle Busch is on the move on the outside and is up to 13th.

Lap 157 -- Denny Hamlin spun the tires on the restart and fell four positions.

Lap 156 -- GREEN FLAG: Greg Biffle brings the field to the green.

1. Greg Biffle

2. Denny Hamlin

3. Jimmie Johnson

4. Mark Martin

5. Jeff Gordon

Lap 155 -- Fuel could come into play as all the leaders are being asked to conserve. Sam Hornish Jr., Michael Waltrip, Scott Speed, A.J. Allmendinger, John Andretti and Marcos Ambrose are the wave-around cars.

Lap 154 -- LEAD CHANGE: Greg Biffle wins the race off pit road and takes the lead.

Lap 153 -- LEAD CHANGE: Denny Hamlin leads a lap as he takes the lead on pit road when all the lead-lap cars pit.

• Jimmie Johnson with four tires and a chassis adjustment

• Greg Biffle with a four-tire stop and track bar adjustment

• Kurt Busch with a track bar adjustment and four tires

• Denny Hamlin with a wedge adjustment and four tires

Lap 152 -- Pit road is closed as crews work to get David Stremme's car out of the entrance to pit road.

Lap 150 -- YELLOW FLAG NO. 3: David Stremme spins in Turn 4 and slams into the watercans in front of pit road bringing out the caution. Matt Kenseth gets the free pass.

Lap 149 -- Jimmie Johnson leads by 1.4-seconds in front of Greg Biffle with green-flag stops upcoming.

Lap 145 -- Juan Montoya and Carl Edwards among the drivers in the top 10 unhappy with their cars.

Lap 143 -- Denny Hamlin passes Juan Montoya for fourth. Third-place Mark Martin is having to switch between two batteries.

Lap 141 -- Matt Kenseth on pit road for an unscheduled stop and he goes a lap down.

Lap 139 -- Jimmie Johnson leads by 1.8 seconds. Dale Earnhardt Jr. isn't happy with his car and wants changes on their final pit stop. Junior currently runs 13th.

Lap 131 -- Jeff Gordon and Carl Edwards go around Kurt Busch for seventh and eighth.

Lap 130 -- Mark Martin rockets by Juan Montoya for third.

Lap 128 -- Tony Stewart down to seventh after the restart.

Lap 127 -- Mark Martin up to fourth after passing Kurt Busch.

Lap 126 -- Scott Speed has taken his No. 82 Toyota to the garage.

Lap 125 -- GREEN FLAG: Jimmie Johnson brings the field to the green.

1. Jimmie Johnson

2. Greg Biffle

3. Juan Montoya

4. Tony Stewart

5. Denny Hamlin

Lap 124 -- Ryan Newman back on pit road and he goes a lap down.

Lap 122 -- Kasey Kahne, Jeff Gordon, Kyle Busch among the 13 lead-lap cars to pit.

Lap 121 -- YELLOW FLAG NO. 2: Debris on the track brings out the caution. David Reutimann gets the free pass.

Lap 120 -- The top five after the second round of green-flag stops:

1. Jimmie Johnson

2. Greg Biffle

3. Juan Montoya

4. Kasey Kahne

5. Tony Stewart

Lap 119 -- LEAD CHANGE: Jimmie Johnson back out front after his stop.

Lap 118 -- LEAD CHANGE: Jimmie Johnson makes his stop as does Carl Edwards. Four tires and no adjustments for Johnson. Edwards takes the lead on pit road and makes some adjustments.

Lap 117 -- Dale Earnhardt Jr., Tony Stewart, Kyle Busch and a bunch of other drivers on pit road.

Lap 116 -- Greg Biffle and Juan Montoya hit pit road. Biffle with an adjustment to fix tightness. Montoya loves his car.

Lap 115 -- Ryan Newman and Sam Hornish Jr. make their stop.

Lap 114 -- Kasey Kahne gives up his top-10 position and makes his pit stop. Matt Kenseth also pits.

Lap 113 -- Marcos Ambrose is on pit road beginning another round of green-flag stops.

Lap 111 -- A.J. Allmendinger has taken his No. 44 to the garage.

Lap 110 -- Jimmie Johnson has run into lap traffic and Greg Biffle is chipping into his lead. Denny Hamlin passes Kurt Busch for seventh.

Lap 109 -- A.J. Allmendinger back on pit road. Jeff Gordon challenging Dale Earnhardt Jr. for 10th.

Lap 107 -- Martin Truex Jr. has a tire rub and is back on pit road.

Lap 106 -- Carl Edwards is on the inside of Kurt Busch for sixth.

Lap 103 -- Kyle Busch has fallen to 14th. Ryan Newman is the last car on the lead lap.

Lap 100 -- Martin Truex Jr. is on pit road.

Lap 99 -- A.J. Allmendinger makes a stop on pit road.

Lap 96 -- Jimmie Johnson leads by 2.4 seconds.

Lap 91 -- Good on-track battles for position include Tony Stewart and Kurt Busch for fifth and Matt Kenseth and Carl Edwards for seventh.

Lap 89 -- Denny Hamlin, Mark Martin and Kyle Busch are three-wide for ninth.

Lap 86 -- Carl Edwards up to ninth. Mark Martin is up to 10th as Dale Earnhardt Jr. falls to 12th.

Lap 84 -- Jimmie Johnson has opened up a 1.5-second lead. Michael Waltrip finally has to pit and he goes a lap down.

Lap 83 -- Dale Earnhardt Jr. is up to eighth as he passes Kyle Busch.

Lap 81 -- David Ragan gets loose and almost slams the wall but he saves it and continues.

Lap 80 -- Dale Earnhardt Jr. is in the top 10 as he runs ninth.

Lap 79 -- David Ragan is down to 11th. Matt Kenseth is up to fifth.

Lap 77 -- GREEN FLAG: Jimmie Johnson brings the field to the green.

1. Jimmie Johnson

2. Greg Biffle

3. Kasey Kahne

4. Juan Montoya

5. David Ragan

Lap 76 -- Michael Waltrip is the lone wave-around car and rejoins the lead lap.

Lap 75 -- LEAD CHANGE: Jimmie Johnson wins the race off pit road and reclaims the lead.

Lap 74 -- LEAD CHANGE: Kyle Busch takes the lead on pit road as all the lead-lap cars hit pit road.

• Jimmie Johnson with four tires and a track bar adjustment

• Greg Biffle with four tires and a chassis and air pressure adjustment

• Kurt Busch with an air pressure adjustment

• Kyle Busch with a track bar adjustment

• David Ragan with a great stop and gains five spots

Lap 72 -- YELLOW FLAG NO. 1: Debris on the front straightaway brings out the first caution. Ryan Newman gets the free pass.

Lap 71 -- Clint Bowyer is up to seventh. David Ragan has moved up to 10th.

Lap 67 -- Jimmie Johnson leads by 7.7 seconds as he puts Jeff Burton and A.J. Allmendinger a lap down.

Lap 66 -- Mark Martin is 13th after starting 32nd.

Lap 64 -- Matt Kenseth thinks he has a tire going down. He is currently in the 10th position.

Lap 62 -- Juan Montoya passes Kyle Busch for sixth as Kurt Busch, Montoya and Busch run in a pack.

Lap 61 -- Martin Truex Jr. goes a lap down. Joey Logano is next.

Lap 60 -- Casey Mears and John Andretti go a lap down. Twenty-nine cars are on the lead lap.

Lap 55 -- Jimmie Johnson leads by 6.8 seconds as he puts Bobby Labonte a lap down.

Lap 54 -- Greg Biffle up to second after passing Kasey Kahne. Tony Stewart is fourth after passing Kurt Busch.

Lap 51 -- Sam Hornish Jr. and Paul Menard go a lap down.

Lap 48 -- Jimmie Johnson puts Marcos Ambrose a lap down.

Lap 46 -- Greg Biffle continues his climb to the top as he passes Kyle Busch for third.

Lap 44 -- Greg Biffle passes Kurt Busch for fourth. David Gilliland goes a lap down.

Lap 42 -- Jimmie Johnson maintains his lead after his stop. The top five following green-flag stops:

1. Jimmie Johnson

2. Kasey Kahne

3. Kyle Busch

4. Kurt Busch

5. Greg Biffle

Lap 41 -- Jimmie Johnson, Jeff Gordon and Ryan Newman pit.

Lap 40 -- Scott Speed, David Stremme, Brian Vickers and Mark Martin pit.

Lap 39 -- Carl Edwards, Tony Stewart, Kurt Busch, Kyle Busch and a bunch of other cars pit.

Lap 38 -- Matt Kenseth and Greg Biffle pit. Kenseth with a track bar and air pressure adjustment. Biffle with a wedge adjustment.

Lap 37 -- Kasey Kahne, Robby Gordon, A.J. Allmendinger, Bobby Labonte and Paul Menard make their green flag stop.

Lap 36 -- Jimmie Johnson leads by 6.7 seconds with green-flag stops upcoming in the next seven to 10 laps.

Lap 31 -- Kurt Busch passes Kyle Busch for second.

Lap 30 -- Tony Stewart gets around Kasey Kahne for fourth.

Lap 28 -- Greg Biffle passes Juan Montoya for sixth.

Lap 26 -- Kurt Busch has closed on Kyle Busch and is challenging for second. Carl Edwards up to 15th, Jeff Gordon up to 17th.

Lap 25 -- Dave Blaney has slowed on the track and is taking his car to the garage. Sterling Marlin also takes his car to the garage.

Lap 23 -- Joe Nemechek has taken his car to the garage. Max Papis has gone a lap down. Jimmie Johnson leads by more than four seconds.

Lap 22 -- Joe Nemechek has slowed on the backstretch and he goes to pit road.

Lap 20 -- Tony Stewart passes Brian Vickers for sixth. Jimmie Johnson still out front.

Lap 19 -- Tony Raines has taken his car to the garage.

Lap 17 -- Carl Edwards has moved up to 16th after starting 29th.

Lap 15 -- Kyle Busch is reporting a vibration possibly coming from the engine.

Lap 14 -- Jimmie Johnson has opened up a 1.5-second lead on Kyle Busch.

Lap 12 -- Kurt Busch moves up to third after passing Brian Vickers.

Lap 11 -- Dale Earnhardt Jr. is up to 25th. Jeff Gordon is up to 27th.

Lap 9 -- LEAD CHANGE: Jimmie Johnson passes Kyle Busch on the outside and takes the lead.

Lap 8 -- Jimmie Johnson has closed the gap on leader Kyle Busch.

Lap 7 -- Greg Biffle has gained 10 spots and is up to 10th.

Lap 4 -- Officials are looking at the possibility of smoke coming out of Jeff Gordon's car. He's worked his way up to 32nd.

Lap 3 -- Tony Stewart has worked his way to ninth.

Lap 2 -- Jimmie Johnson up to second as Brian Vickers struggles to get up to speed.

Lap 1 -- Jimmie Johnson, Kyle Busch and Brian Vickers make it three wide on the start but Kyle Busch pulls away and leads the first lap.

2:20 p.m. -- GREEN FLAG: For the third time this season, Brian Vickers brings the field to the green and the LifeLock 400 is under way.

1:53 p.m. -- Jeff Gordon will move to the rear of the field when the green drops due to crashing in practice. Sam Hornish Jr. and Joe Nemechek also will move to the rear due to engine changes.