Lap by Lap: UAW-GM Quality 500

A lap-by-lap account of Saturday night's UAW-GM Quality 500 at Lowe's Motor Speedway:

Lap 334: Checkered flag: Jimmie Johnson wins

Lap 333: White flag: Jimmie Johnson leads by 1.4 seconds

Lap 323: Restart; Jimmie Johnson leads

Lap 320: Joe Nemechek pits, giving lead to Jimmie Johnson

Lap 319: Michael Waltrip involved in a single-car accident

Lap 318: Green flag; Joe Nemechek leads

Lap 313: Leaders to pit road; Jimmie Johnson leads off of pit road

Lap 312: Caution for multicar wreck involving Mark Martin, Ryan Newman, Jimmy Spencer and Brendan Gaughan

Lap 301: Jimmie Johnson takes the lead from Mark Martin

Lap 281: Mark Martin retakes the lead from Kurt Busch

Lap 278: Kurt Busch passes Mark Martin for the lead

Lap 273: Green flag; Mark Martin leads

Lap 269: Leaders to pit road; Mark Martin wins race off of pit road

Lap 267: Leader Kasey Kahne hits the wall after a flat tire. Also, Kyle Busch loses control and makes contact with Sterling Marlin; Ryan Newman to the lead

Lap 267: Kasey Kahne's lead grows to more than six seconds

Lap 246: Jeff Gordon enters the top 10

Lap 230: Green flag; Kasey Kahne leads

Lap 224: Some Leaders to pit road; Leader Kasey Kahne stays out

Lap 223: Caution flies after Kevin Harvick's engine expires. Shortly afterward, Matt Kenseth, Jeremy Mayfield and Carl Edwards were involved in accidents after hitting oil

Lap 220: Kasey Kahne blows by Mark Martin for the lead

Lap 218: Kasey Kahne complains of a vibration in his No. 9 Dodge

Lap 216: Mark Martin passes Kasey Kahne for the lead

Lap 215: Green flag; Kasey Kahne leads

Lap 211: Leaders to pit road; Kasey Kahne holds the lead

Lap 210: Yellow flag for debris; Jeff Gordon is the "lucky dog"

Lap 188: Kasey Kahne passes Jimmie Johnson for the lead

Lap 181: Jimmie Johnson passes Dale Earnhardt Jr. for the lead

Lap 177: Dale Earnhardt Jr. passes Kasey Kahne for lead

Lap 177: Restart; Kahne leads

Lap 174: Leaders to pit road; Kahne holds lead

Lap 172: Caution flies for an accident involving Matt Kenseth. Jeremy Mayfield pitted just before the incident and is caught a lap down

Lap 130: Kasey Kahne regains lead from Dale Earnhardt Jr.

Lap 125: Dale Earnhardt Jr. passes Kasey Kahne for the lead

Lap 124: Green flag; Kasey Kahne leads

Lap 122: Leaders to pit road; Kasey Kahne still leads

Lap 120: Caution flies for Carl Edwards' cut tire

Lap 94: Kahne leads Dale Earnhardt Jr. by 2.5 seconds

Lap 81: Green flag; Kasey Kahne leads

Lap 78: Leaders to pit road; Kahne retains lead

Lap 76: Caution flies for an accident involving Jeff Gordon and Rusty Wallace

Lap 64: Casey Mears to pit road for a four-tire stop

Lap 42: Kasey Kahne passes Ryan Newman for second place, then passes Elliott Sadler for the lead

Lap 31: Green flag; Elliott Sadler leads

Lap 29: Leaders to pit road, Elliott Sadler wins race off pit road

Lap 28: After a delay of about 20 minutes, the race goes to yellow

Lap 28: Red flag flies so that crews may fix the SAFER barriers after Brian Vickers made heavy contact on Lap 23

Lap 24: Carl Edwards takes over for Dave Blaney

Lap 23: Caution flies for a vicious accident involving Brian Vickers and Robby Gordon. By far, Vickers got the worst of it

Lap 13: Green flag; Ryan Newman leads. Greg Sacks to the garage.

Lap 8: Caution flies for a single-car accident involving Jeff Fuller

Lap 8: Green flag; Ryan Newman leads

Lap 1: Caution flies for multicar accident involving Jeff Gordon, Scott Riggs, Greg Biffle, Tony Raines and Kurt Busch

Lap 1: Ryan Newman leads the field to the green flag