Lap-by-Lap: Richmond

Lap 400 -- CHECKERED FLAG: Jimmie Johnson holds off Tony Stewart to win the Chevy Rock & Roll 400. Clint Bowyer finishes 12th to clinch the 12th Chase position.

Lap 399 -- WHITE FLAG: Jimmie Johnson is able to keep Tony Stewart at bay with one to go.

Lap 397 -- Tony Stewart continues to try the bottom lane but he can't catch Jimmie Johnson in the top lane.

Lap 395 -- The side-by-side battle for the lead continues, but Stewart backs down with five to go.

Lap 391 -- LEAD CHANGE: Jimmie Johnson gets a nose ahead of Tony Stewart at the line.

Lap 390 -- LEAD CHANGE: Tony Stewart gets credit for leading the lap as he and Jimmie Johnson battle side-by-side.

Lap 386 -- Denny Hamlin takes third position from Dale Earnhardt Jr.

Lap 385 -- Jimmie Johnson leads Tony Stewart by 0.503 seconds.

Lap 380 -- With 20 laps to go, here are the bubble drivers: Clint Bowyer (14th), Matt Kenseth (36th), Kasey Kahne (21st) and David Ragan (31st).

Lap 377 -- David Reutimann has fallen back to seventh position.

Lap 374 -- GREEN FLAG: Jimmie Johnson gets the race back under way.
1. Jimmie Johnson
2. Tony Stewart
3. Dale Earnhardt Jr.
4. Martin Truex Jr.
5. Jeff Burton

Lap 369 -- YELLOW FLAG NO. 14 -- Paul Menard spins and backs into the wall. He has significant damage to the rear of the machine. Patrick Carpentier got loose and both cars went spinning.

Lap 367 -- LEAD CHANGE: Jimmie Johnson races side-by-side with Martin Truex Jr. for a lap before pulling ahead. Tony Stewart follows for second.

Lap 364 -- GREEN FLAG: Martin Truex Jr. gets the race back under way.
1. Martin Truex Jr.
2. Jimmie Johnson
3. Tony Stewart
4. Dale Earnhardt Jr.
5. Jeff Burton

Lap 360 -- LEAD CHANGE: Martin Truex Jr. wins the race off pit road and becomes the new leader.

Lap 359 -- Leaders head down pit road:
• David Reutimann gets no changes, four tires
• Clint Bowyer wants forward bite, but no changes
• Tony Stewart gets four tires and no adjustments
• David Ragan avoids contact on pit road with four tires
• Martin Truex Jr. is first off pit road
• Ken Schrader and Ryan Newman make contact on pit road

Lap 358 -- YELLOW FLAG NO. 13: Scott Riggs spins around but continues on without damage.

Lap 355 -- Chase bubble drivers: Clint Bowyer (16th), Matt Kenseth (37th), David Ragan (33rd), Kasey Kahne (32nd).

Lap 351 -- Denny Hamlin slides into the wall but keeps going. He's in seventh place.

Lap 349 -- LEAD CHANGE: Tony Stewart catches and passes David Reutimann for the top spot. Jimmie Johnson pulls to the bumper of Reutimann.

Lap 344 -- Dale Earnhardt Jr.'s car goes up the racetrack and rubs the wall. He slows but maintains his third position.

Lap 340 -- Casey Mears is having a good day and is running ninth.

Lap 335 -- David Ragan makes contact with Clint Bowyer, then gets hit by Regan Smith. He was running 17th before the contact, but now has fallen to 29th.

Lap 333 -- Kasey Kahne has fallen to 33rd position and is 12.689 seconds behind the leader.

Lap 327 -- Jimmie Johnson takes third from Dale Earnhardt Jr.

Lap 322 -- Michael McDowell is having a strong run and is in 10th position.

Lap 320 -- GREEN FLAG: David Reutimann gets the race back under way.
1. David Reutimann
2. Tony Stewart
3. Dale Earnhardt Jr.
4. Mark Martin
5. Jimmie Johnson

Lap 315 -- Kyle Busch gets the free pass to get back on the lead lap.

Lap 314 -- YELLOW FLAG NO. 12: Several cars go spinning coming off Turn 2, including Carl Edwards, Bobby Labonte and Bill Elliott. Labonte got loose, spun down the track and collected Edwards and Elliott.

Lap 310 -- By moving into 21st position, Clint Bowyer retakes the final Chase spot as they run now.

Lap 308 -- David Ragan runs in 18th with Clint Bowyer in 24th, giving Ragan the 12th position in the standings by one point as they run now.

Lap 304 -- GREEN FLAG: David Reutimann gets the race going again.
1. David Reutimann
2. Tony Stewart
3. Jeff Burton
4. Dale Earnhardt Jr.
5. Mark Martin

Lap 301 -- Brian Vickers is black-flagged by NASCAR for not maintaining speed when he could have, thus forcing the yellow. Vickers loses two laps.

Lap 300 -- Sam Hornish Jr.'s car has its left-rear tire come off as he exits pit road.

Lap 299 -- Leaders head down pit road for possibly their final stop:
• David Reutimann takes four tires with minor adjustments
• Tony Stewart asks for his car to be tight with an air-pressure adjustment
• Clint Bowyer gets an air-pressure adjustment and four tires for a tight car

Lap 298 -- YELLOW FLAG NO. 11: Brian Vickers gets up the track and brushes the wall with a flat tire as they cross the line.

Lap 294 -- Leader David Reutimann wiggles as he tries to go by the lapped car of Ken Schrader.

Lap 288 -- Bubble drivers as they run: Matt Kenseth (39th), David Ragan (15th), Clint Bowyer (26th) and Kasey Kahne (24th).

Lap 280 -- David Reutimann has built his lead to 4.2 seconds ahead of Tony Stewart, who has worked his way around Mark Martin.

Lap 271 -- Dale Earnhardt Jr. is running in eighth and continues to battle his racecar.

Lap 265 -- Tony Stewart is up to third, behind leader David Reutimann and Mark Martin.

Lap 260 -- David Reutimann leads by 2.244 seconds ahead of Mark Martin.

Lap 256 -- Following the pit stops, Tony Stewart has worked his way back to sixth.

Lap 250 -- As they run now, David Ragan would be in the Chase. He did not pit and runs eighth. Clint Bowyer, who did pit, now runs 25th.

Lap 244 -- GREEN FLAG: Fourteen drivers stayed out to shuffle the running order as David Reutimann gets things going again.
1. David Reutimann
2. Mark Martin
3. Martin Truex Jr.
4. Michael Waltrip
5. Michael McDowell

Lap 243 -- LEAD CHANGE: David Reutimann stays out to lead.

Lap 242 -- Leaders head down pit road:
• Jeff Burton is loose so he gets an air-pressure adjustment
• Dale Earnhardt Jr. gets an adjustment and four tires
• Tony Stewart gets an air-pressure adjustment and tires

Lap 241 -- YELLOW FLAG NO. 10: Kyle Busch spins around coming off Turn 2 in a cloud of smoke. Elliott Sadler made contact with him. He drives away.

Lap 236 -- LEAD CHANGE: Tony Stewart takes the middle lane in a three-wide battle with Jimmie Johnson and Dale Earnhardt Jr. to take the lead. Johnson takes second.

Lap 232 -- GREEN FLAG: Dale Earnhardt Jr. leads the field to green.
1. Dale Earnhardt Jr.
2. Tony Stewart
3. Jimmie Johnson
4. Kevin Harvick
5. Clint Bowyer

Lap 227 -- Denny Hamlin leads a small group down pit road. Hamlin gets four tires and is battling a loose car. Kyle Busch is also in to continue repairs.

Lap 226 -- YELLOW FLAG NO. 9: Elliott Sadler spins with another right-front flat tire.

Lap 223 -- The bubble picture has changed as Clint Bowyer is currently 11th in points as they stand now. On the track, the bubble drivers run: Bowyer (6th), Matt Kenseth (39th), Kasey Kahne (14th) and David Ragan (22nd).

Lap 219 -- After the spin, Kyle Busch is one lap down and running in 38th.

Lap 216 -- GREEN FLAG: Dale Earnhardt Jr. gets the race going again.
1. Dale Earnhardt Jr.
2. Tony Stewart
3. Jimmie Johnson
4. Kevin Harvick
5. Denny Hamlin

Lap 213 -- Kyle Busch is on pit road and his crew repairs the damage to the deck lid and rear bumper.

Lap 212 -- LEAD CHANGE: Dale Earnhardt Jr. becomes the new leader after Kyle Busch spins.

Lap 211 -- YELLOW FLAG NO. 8: Leader Kyle Busch goes for a spin and has some significant damage to the rear of his car after some contact from second-place Dale Earnhardt Jr.

Lap 208 -- GREEN FLAG: Kyle Busch leads the field to green.
1. Kyle Busch
2. Dale Earnhardt Jr.
3. Tony Stewart
4. Jimmie Johnson
5. Kevin Harvick

Lap 204 -- LEAD CHANGE: Mark Martin pits, giving the lead to Kyle Busch.

Lap 203 -- LEAD CHANGE: Mark Martin stays out to lead.

Lap 202 -- Leaders head down pit road:
• Dale Earnhardt Jr. is struggling with forward bite and gets an air-pressure adjustment
• Kyle Busch asks for no adjustments with his four tires
• Denny Hamlin loses three positions due to a slow stop
• Carl Edwards gets the free pass

Lap 201 -- YELLOW FLAG NO. 7: Sam Hornish Jr. spins after making contact with Martin Truex Jr. in Turn 4. Both cars spin, but Truex keeps going.

Lap 196 -- Dale Earnhardt Jr. passes Kevin Harvick, and Denny Hamlin follows to take third.

Lap 190 -- Kevin Harvick moves around Dale Earnhardt Jr. for second.

Lap 186 -- LEAD CHANGE: Kyle Busch uses the momentum of the three-wide battle to pass Dale Earnhardt Jr. for the lead.

Lap 185 -- LEAD CHANGE: Dale Earnhardt Jr. drives below Kevin Harvick for the lead. Kyle Busch follows for second.

Lap 181 -- Thirty cars are on the lead lap. The first driver one lap down is Carl Edwards.

Lap 177 -- Following the black-flag, Matt Kenseth is two laps down and running in 40th.

Lap 172 -- LEAD CHANGE: Kevin Harvick gets a run on Dale Earnhardt Jr. and takes the lead.

Lap 170 -- Matt Kenseth gets black-flagged because of a panel that is dragging on the track. He heads back down pit road.

Lap 169 -- GREEN FLAG: Dale Earnhardt Jr. gets the race back under way.
1. Dale Earnhardt Jr.
2. Kevin Harvick
3. Kyle Busch
4. Denny Hamlin
5. Jimmie Johnson

Lap 167 -- LEAD CHANGE: Dale Earnhardt Jr. inherits the lead when Matt Kenseth pits.

Lap 166 -- LEAD CHANGE: Matt Kenseth stays out to lead.

Lap 165 -- Leaders head to pit road:
• Jeff Burton gets four tires and fuel
• Dale Earnhardt Jr. gets minor changes
• Kevin Harvick is loose and gets a wedge adjustment
• Kyle Busch gets four tires on a slow stop
• David Ragan gets the free pass

Lap 164 -- YELLOW FLAG NO. 6: Juan Montoya hits the wall, spins and slides to a stop coming out of Turn 2. Elliott Sadler also spins.

Lap 160 -- Bubble drivers are running: Clint Bowyer (7th), Kasey Kahne (18th) and David Ragan (33rd).

Lap 152 -- Kyle Busch is concerned about a partially sticking throttle. He is running third.

Lap 145 -- Kyle Petty is having a solid race, running 18th. Petty Enterprises has won at Richmond more than any other team.

Lap 140 -- Tony Stewart is having a strong run in sixth position.

Lap 134 -- Matt Kenseth is mired in 33rd after the accident with David Ragan.

Lap 129 -- After the accident, David Ragan runs in 32nd position. The other bubble drivers are Clint Bowyer in fifth and Kasey Kahne in 23rd.

Lap 127 -- GREEN FLAG: Dale Earnhardt Jr. gets the race going again.
1. Dale Earnhardt Jr.
2. Kevin Harvick
3. Denny Hamlin
4. Kyle Busch
5. Clint Bowyer

Lap 123 -- David Ragan and Matt Kenseth hit pit road. Greg Biffle follows. Kenseth said oil was in Turn 1 and caused the crash. Ragan's crew makes patchwork of his car.

Lap 122 -- YELLOW FLAG NO. 5: David Ragan and Matt Kenseth make contact and slide into the Turn 1 wall. Ragan has left-side damage but drives away with his Chase hopes in doubt. Ragan was the car that got loose, and Kenseth slid behind him trying to slow down. Kenseth has damage on the right side.

Lap 119 -- GREEN FLAG: Dale Earnhardt Jr. gets the race back under way.
1. Dale Earnhardt Jr.
2. Kevin Harvick
3. Denny Hamlin
4. Kyle Busch
5. Clint Bowyer

Lap 116 -- Several cars near the back of the pack make pit stops, including Greg Biffle to check his damage.

Lap 115 -- YELLOW FLAG NO. 4: Greg Biffle slides up the track and grazes the wall.

Lap 111 -- Kevin Harvick takes second from Denny Hamlin.

Lap 108 -- GREEN FLAG: Dale Earnhardt Jr. leads the field to green.
1. Dale Earnhardt Jr.
2. Denny Hamlin
3. Kevin Harvick
4. Kyle Busch
5. Matt Kenseth

Lap 103 -- YELLOW FLAG NO. 3: Michael Waltrip spins in Turn 2 as the pack of cars gets up to speed. He does not lose a lap. Travis Kvapil gets the free pass.

Lap 102 -- GREEN FLAG: Dale Earnhardt Jr. gets the race back under way.
1. Dale Earnhardt Jr.
2. Denny Hamlin
3. Kevin Harvick
4. Kyle Busch
5. Matt Kenseth

Lap 97 -- Leaders head to pit road:
• Jeff Burton needs rear grip and gets a track-bar adjustment
• Matt Kenseth gets a track-bar and an air-pressure adjustment
• Dale Earnhardt Jr. gets no changes in a fast stop
• Kyle Busch gets a track-bar adjustment and four tires

Lap 96 -- YELLOW FLAG NO. 2: Johnny Sauter slaps the wall coming off Turn 2 and has a flat right-front tire and beat-up side of his car.

Lap 92 -- Jimmie Johnson is running 11th and, like teammate Dale Earnhardt Jr., is battling a splitter that is bouncing off the track.

Lap 89 -- Ten of the top 12 in the running order are Chase drivers.

Lap 80 -- LEAD CHANGE: Dale Earnhardt Jr. makes the high groove stick and takes the lead from Denny Hamlin.

Lap 78 -- Dale Earnhardt Jr. pulls around Kevin Harvick and to the bumper of Denny Hamlin. The two race side-by-side, but Earnhardt backs off and holds second.

Lap 77 -- LEAD CHANGE: Denny Hamlin moves below Kevin Harvick for the lead.

Lap 74 -- Carl Edwards makes an unscheduled pit stop after he thought he had a tire going down. He only takes right-side tires and fuel and a round of wedge. He was running ninth at the time.

Lap 69 -- Kasey Kahne has fallen back to 27th position.

Lap 66 -- Dale Earnhardt Jr. is running fourth, but he says he's having some trouble with his racecar -- the splitter is bouncing off the racetrack.

Lap 61 -- Clint Bowyer has worked his way up to third position.

Lap 58 -- Kevin Harvick's lead on Denny Hamlin is 1.269 seconds.

Lap 53 -- After running the first run in the top groove, the leaders have now moved to the bottom groove.

Lap 49 -- After pit stops, here are the bubble drivers and where they are running: Clint Bowyer (6th), David Ragan (15th) and Kasey Kahne (19th).

Lap 47 -- Denny Hamlin passes Jeff Gordon and sets his sights on leader Kevin Harvick.

Lap 43 -- LEAD CHANGE: Kevin Harvick makes quick work of Jeff Gordon's two tires and takes the lead again.

Lap 42 -- GREEN FLAG: Jeff Gordon gets the race back under way.
1. Jeff Gordon
2. Kevin Harvick
3. Dale Earnhardt Jr.
4. Denny Hamlin
5. Carl Edwards

Lap 39 -- LEAD CHANGE: Jeff Gordon wins the race off pit road and is scored the leader as they cross the line.

Lap 36 -- Leaders head to pit road:
• David Ragan calls for an air-pressure adjustment and four tires
• Dale Earnhardt Jr. is free in and tight off but gets no changes
• Kevin Harivck is tight in the center and gets an air-pressure adjustment
• Kyle Busch overshoots his pit stall and gets a track-bar adjustment
• Jeff Gordon gains several spots by taking just two tires

Lap 35 -- YELLOW FLAG NO. 1: NASCAR calls for a competition caution so teams can check tire wear.

Lap 34 -- Kevin Harvick begins lapping cars, starting with A.J. Allmendinger, who may be down a cylinder.

Lap 33 -- Dale Earnhardt Jr. passes Kyle Busch for second position.

Lap 29 -- LEAD CHANGE: Kevin Harvick rides the high lane and goes by Kyle Busch for the lead.

Lap 25 -- Kyle Busch leads Kevin Harvick by just a car-length.

Lap 20 -- Kasey Kahne is the lowest-running bubble driver and is currently in 15th.

Lap 17 -- Kevin Harvick and Dale Earnhardt Jr. move around Jimmie Johnson to take second and third, respectively.

Lap 15 -- Carl Edwards falls to seventh in the running order.

Lap 11 -- Kevin Harvick is running third and showing signs of a strong car.

Lap 7 -- Jeff Gordon swipes the wall coming off Turn 2.

Lap 6 -- Jimmie Johnson pulls around Carl Edwards to take second position. Edwards falls to fourth.

Lap 1 -- Kyle Busch pulls ahead to lead the first lap. Both Greg Biffle and Kevin Harvick have now clinched their Chase berth.

1:10 p.m. -- GREEN FLAG: Kyle Busch and Carl Edwards get the Chevy Rock & Roll 400 under way at Richmond.

1:04 p.m. -- Cars are rolling onto the track. There will be a competition caution on Lap 35 due to the recent rain in Richmond.

1:01 p.m. -- Grand marshal and retired firefighter Craig Monahan delivers the command by thanking America for its support: "Gentlemen, start your engines!"

1 p.m. ET -- ESPN's pre-race coverage is on the air.

WEEKEND HEADLINES
• Rain moves all Richmond track activity to Sunday
• Rain puts all bubble guys next to each other at start
• Logano's much-anticipated Cup Series debut on hold
• Pressure builds on the trio racing for final Chase spot
• For Grubb, a new home but familiar surroundings
• Stewart hires Grubb as crew chief of new 14 team
• Richmond left to settle a three-way battle for Chase