2:16 p.m. -- GREEN FLAG: Mark Martin gets the Food City 500 under way from Bristol Motor Speedway.
Lap 1 -- Mark Martin hangs on the lead the first lap.
Lap 3 -- LEAD CHANGE: Ryan Newman moves around Mark Martin to take the lead early.
Lap 9 -- Jamie McMurray is working the high line. Halfway back, Michael Waltrip touches Todd Bodine as they race for 20th.
Lap 24 -- Ryan Newman puts Sterling Marlin a lap down and starts to catch more slower traffic.
Lap 27 -- YELLOW FLAG NO. 1: John Andretti spins in Turn 2 to bring out the caution.
Lap 28 -- Leaders head to pit road except for Jimmie Johnson and six other cars near the back:
• Kyle Busch gets two tires and fuel
• Mark Martin gets right-side tires only
• Jeff Gordon gets right-side tires like everyone else
• Sterling Marlin gets the free pass
Lap 33 -- GREEN FLAG: Jimmie Johnson leads the field to green with Mark Martin restarting eighth in the first car that pitted.
1. Jimmie Johnson
2. Dave Blaney
3. Marcos Ambrose
4. Todd Bodine
5. Elliott Sadler
Lap 33 -- YELLOW FLAG NO. 2: Second-place Dave Blaney spins around going into Turn 3 when the lapped car of John Andretti touches him after sliding up the hill.
Lap 39 -- GREEN FLAG: Jimmie Johnson gets the race back under way.
1. Jimmie Johnson
2. Marcos Ambrose
3. Elliott Sadler
4. Todd Bodine
5. Carl Edwards
Lap 50 -- Matt Kenseth slaps the wall coming off Turn 4 and tells his crew the right tires may have been scrubbed. He says his car is getting tight.
Lap 55 -- Kasey Kahne makes it three-wide by going between Martin Truex Jr. and A.J. Allmendinger for 20th.
Lap 60 -- YELLOW FLAG NO. 3: Todd Bodine crashes hard coming off Turn 4. Michael Waltrip slides up into Bodine and smashes him into the wall as they came to the start/finish line. Kevin Harvick and Kurt Busch both get nose damage from the chain reaction.
Lap 63 -- Leaders head to pit road, but Jimmie Johnson stays out again with nine other cars.
• Ryan Newman is "snug" and gets an air-pressure adjustment
• Kevin Harvick and Aric Almirola are caught speeding on exit
• Jeff Gordon gets four tires and fuel, slight chassis adjustment
• Sterling Marlin gets the free pass
Lap 68 -- GREEN FLAG: Jimmie Johnson leads the field to green.
1. Jimmie Johnson
2. Kyle Busch
3. Elliott Sadler
4. Mark Martin
5. Jamie McMurray
Lap 70 -- LEAD CHANGE: Kyle Busch uses the outside line and passes Jimmie Johnson for the top spot.
Lap 90 -- Despite his injured ribs, Greg Biffle is running in fourth position.
Lap 100 -- David Reutimann is now up to third position and chasing down leader Kyle Busch and second-place Jimmie Johnson.
Lap 115 -- Denny Hamlin has the fastest car on the track in fourth, although leader Kyle Busch is fighting through slower traffic.
Lap 120 -- Dale Earnhardt Jr. is running 18th and is slowly continuing to get through the field. He started at the back due to a transmission change.
Lap 123 -- YELLOW FLAG NO. 4: Jamie McMurray spins coming off Turn 1 and has some cosmetic damage. He came down on Juan Montoya in Turn 4, then Montoya spun him in Turn 1. McMurray was in ninth.
Lap 124 -- Leaders head to pit road:
• Greg Biffle gets four tires and slight changes to loosen it
• Ryan Newman gets a track-bar adjustment and four tires
• Jimmie Johnson is tight and gets four tires
• Kyle Busch needs his car to turn in the center and gets changes
• Jamie McMurray misses his pit box
Lap 127 -- Juan Montoya is warned by NASCAR for aggressive driving.
Lap 130 -- GREEN FLAG: Kyle Busch gets the race going again.
1. Kyle Busch
2. Jimmie Johnson
3. Denny Hamlin
4. David Reutimann
5. Marcos Ambrose
Lap 144 -- Jamie McMurray slides into the wall again coming off Turn 4. He keeps going but is loose.
Lap 150 -- Kyle Busch's lead is 2.587 seconds ahead of Jimmie Johnson.
Lap 169 -- Kyle Busch gets around Kevin Harvick to put him a lap down. He tells his crew that the two cars to watch are David Reutimann and Marcos Ambrose.
Lap 189 -- YELLOW FLAG NO. 5: Jamie McMurray spins around again after battling for position.
Lap 190 -- Leaders to pit road:
• Greg Biffle gets changes and four tires
• Ryan Newman gets wedge and new tires
• Kyle Busch is good, just needing four tires
• Denny Hamlin gets a track-bar adjustment
• Jeff Gordon gains three positions on pit road
Lap 196 -- GREEN FLAG: Kyle Busch gets the race back under way.
1. Kyle Busch
2. Jimmie Johnson
3. Denny Hamlin
4. Jeff Gordon
5. Marcos Ambrose
Lap 250 -- Halfway and Kyle Busch continues to lead.
Lap 273 -- Dale Earnhardt Jr. tells his team the car's air pressure may be off as his climb to the front stalls. He runs in 17th.
Lap 296 -- Jeff Gordon is telling his crew his car is very tight and he's just holding on. He tells his crew there could be a problem with his right-front tire and for the team to be ready in case.
Lap 303 -- Greg Biffle reports his car has lost a cylinder in the engine. He runs in 20th.
Lap 311 -- David Gilliland is into the wall, but there is no caution. He gets to pit road safely.
Lap 313 -- Dale Earnhardt Jr. loses a lap to leader Kyle Busch, putting 17 cars on the lead lap.
Lap 318 -- LEAD CHANGE: Denny Hamlin catches Kyle Busch and overtakes him for the lead.
Lap 319 -- YELLOW FLAG NO. 6: Brian Vickers cuts a tire.
Lap 320 -- Leaders hit pit road:
• David Stremme gets tires and minor changes
• Ryan Newman is loose and gets a track-bar adjustment
• Jimmie Johnson gets track-bar adjustment
• Kyle Busch gets minor changes and tires
• Dale Earnhardt Jr. gets the free pass
Lap 321 -- LEAD CHANGE: Jimmie Johnson wins the race off pit road.
Lap 329 -- GREEN FLAG: Jimmie Johnson gets the race going again.
1. Jimmie Johnson
2. Denny Hamlin
3. Kyle Busch
4. Marcos Ambrose
5. Kasey Kahne
Lap 350 -- Kyle Busch has the fastest car this lap, but he's still in third behind Jimmie Johnson and Denny Hamlin.
Lap 369 -- LEAD CHANGE: Kyle Busch goes to the outside of Jimmie Johnson and passes him for the lead as they go around slower traffic.
Lap 390 -- Denny Hamlin, Kasey Kahne and Mark Martin work their way through a tight pack of lapped cars. Hamlin, Kahne and Martin run third, fourth and fifth, respectively.
Lap 400 -- With 100 laps to go, Kyle Busch sets the pace by 1.040 seconds.
Lap 410 -- Mark Martin has the fastest car this lap while running in fifth place.
Lap 440 -- YELLOW FLAG NO. 7: Kevin Harvick is against the wall with a tire down.
Lap 441 -- Leaders head to pit road:
• Jeff Burton is free and gets an air-pressure adjustment
• Jimmie Johnson is tight and gets changes, four tires
• Kyle Busch reverses an air-pressure adjustment
• Denny Hamlin wants his car to be more free and gets changes
• Dale Earnhardt Jr. gets the free pass
Lap 443 -- LEAD CHANGE: Kyle Busch gets the lead back by winning the race off pit road.
Lap 449 -- GREEN FLAG: Kyle Busch gets the race going again.
1. Kyle Busch
2. Denny Hamlin
3. Kasey Kahne
4. Mark Martin
5. Jimmie Johnson
Lap 453 -- YELLOW FLAG NO. 8: David Stremme goes for a spin going into Turn 3 after getting loose and getting touched by Dale Earnhardt Jr.
Lap 460 -- GREEN FLAG: Kyle Busch leads the field to green.
1. Kyle Busch
2. Denny Hamlin
3. Kasey Kahne
4. Mark Martin
5. Jimmie Johnson
Lap 475 -- With 25 laps to go, Kyle Busch leads Denny Hamlin by 0.622 seconds.
Lap 485 -- Kyle Busch continues to cruise in front of Denny Hamlin, but Kasey Kahne has his hands full with Jimmie Johnson for third.
Lap 490 -- With 10 laps to go, Jimmie Johnson is side-by-side with Kasey Kahne for third, then takes the position. Jeff Gordon is behind Kahne.
Lap 494 -- YELLOW FLAG NO. 9: Joey Logano blows an engine.
Lap 501 -- GREEN FLAG: Kyle Busch gets the race going once again for a green-white-checkered finish.
1. Kyle Busch
2. Denny Hamlin
3. Jimmie Johnson
4. Jeff Gordon
5. Kasey Kahne
Lap 502 -- WHITE FLAG: Kyle Busch pulls away as Jimmie Johnson challenges Denny Hamlin for second.
Lap 503 -- CHECKERED FLAG: Kyle Busch wins the Food City 500 at Bristol Motor Speedway.
