Nascar Rules

Lap 97 -- The leaders roll onto pit lane for another round of stops under caution.

Lap 117 -- The top five are currently Jimmie Johnson, Greg Biffle, Matt Kenseth, Martin Truex Jr. and Marcos Ambrose.
Lap 115 -- If Greg Biffle said, "Good night," after the restart, what's Jimmie Johnson thinking now? See ya later?
Lap 113 -- Jimmie Johnson is there. He gets a run on Greg Biffle off Turn 4 to go to the top of the leaderboard.
Lap 111 -- Jimmie Johnson is just a few car lengths behind Greg Biffle in their battle for the lead.
Lap 109 -- Penske Racing teammates Brad Keselowski and A.J. Allmendinger are in sixth and seventh, respectively.
Lap 107 -- The wind is now said to be gusting up to 40 mph.
Lap 105 -- Greg Biffle leads Jimmie Johnson by nearly 6/10ths of a second. When he took the lead on the restart, he radioed his crew, "Good-night!"
Lap 103 -- Jimmie Johnson is now running in second place.
Lap 101 -- GREEN : Martin Truex Jr., Greg Biffle, Jimmie Johnson, Matt Kenseth and Marcos Ambrose are the top five on the restart. Biffle wins the scramble into Turn 1.
Lap 100 -- Carl Edwards comes back onto pit road.

Lap 127 -- Jimmie Johnson's cushion has grown to about a second over Greg Biffle.
Lap 123 -- Jimmie Johnson has one previous Sprint Cup victory at Texas -- in November 2007.
Lap 121 -- Greg Biffle is trailing race leader Jimmie Johnson by about 6/10ths of a second.
Lap 118 -- Don't forget. Jimmie Johnson is shooting to give team owner Rick Hendrick his 200th victory in Cup competition.

Lap 149 -- After the stops, Martin Truex Jr., Matt Kenseth, Martin Martin, Jimmie Johnson and Mark Martin are the top five. Brad Keselowski is sixth and former leader Greg Biffle is seventh.
Lap 148 -- Greg Biffle, Jimmie Johnson and Trevor Bayne drop onto pit road to get their cars serviced.
Lap 147 -- Marcos Ambrose and Matt Kenseth pit. Ambrose's car has to be pushed out of its stall.
Lap 146 -- Kyle Busch's crew goes to work, and it's a slow stop. Jeff Gordon is also pitting.
Lap 144 -- Dale Earnhardt Jr., Kevin Harvick and Denny Hamlin pit.
Lap 143 -- Martin Truex Jr., Mark Martin, A.J. Allmendinger and others are on pit road.
Lap 142 -- Jamie McMurray, Clint Bowyer and Paul Menard are making their stops.
Lap 141 -- Juan Montoya is pitting.
Lap 139 -- Expect green- pit stops in the next few laps. Jimmie Johnson leads Greg Biffle by about 2.2 seconds.
Lap 136 -- A NASCAR official reports that Trevor Bayne's car appears to be leaking oil.
Lap 133 -- Marcos Ambrose is having one of the his better runs tonight. He's been consistently amongst the top five tonight, and is now in fifth place.

looks like keselowski has an engine problem. he's dropped off the pace 30 miles an hour slower than everyone else

Lap 152 -- Matt Kenseth is eating into Martin Truex Jr.'s lead. It's now down to about 7/10ths of a second.
Lap 151 -- Move Dale Earnhardt Jr. to fifth place.

Lap 167 -- Crossed fl&gs -- the race has reached the halfway point. Brad Keselowski is about to come back out of the garage.
Lap 163 -- No more Marcos Ambrose updates ... they must be a jinx. Right after the last one, he dropped out of the top 10. He's worked his back back up to 11th place.
Lap 160 -- Brad Keselowski heads to the garage.
Lap 158 -- Not so fast there, Matt Kenseth. Martin Truex Jr. is now about 1.1 seconds ahead of second place.

Lap 175 -- Jimmie Johnson is closing on Martin Truex Jr., trailing now by about 6/10ths of a second.
Lap 172 -- Martin Truex Jr. is setting a torrid pace up front. He's 1.4 seceonds ahead of second-place Jimmie Johnson.
Lap 169 -- Marcos Ambrose is now back in the top ... never mind. Go get 'em, MA.

Lap 177 -- Jimmie Johnson has caught Martin Truex Jr. When and where will his move come?

stewart in a back up is close to be going a lap down. he's 3/10s of a seac slower that the leaders.

Lap 180 -- Jimmie Johnson goes to the high side off Turn 2 to briefly take the lead from Martin Truex Jr., but Truex then tries a crossover move between Turns 3 and 4. It almost works.

Lap 186 -- Juan Montoya, Jamie McMurray and Kevin Harvick are pitting.
Lap 183 -- Tony Stewart is having a rough weekend. He qualified 29th in a backup, and isn't faring much better in the race itself. He's in 21st place

Lap 189 -- Jimmie Johnson, Matt Kenseth, Jeff Gordon and Denny Hamlin pit.
Lap 188 -- Martin Truex Jr. and Greg Biffle get fresh tires and fuel.
Lap 187 -- Mark and Dale Earnhardt Jr. make their stops.

the leaders have all finished pitting & jimmie is back in the lead.

Lap 190 -- The round of green-fl&g pit stops is over. Jimmie Johnson, Mark Martin, Greg Biffle, Matt Kenseth and Martin Truex Jr. are the top five.