Lap-by-Lap: California

CHECKERED FLAG: Matt Kenseth pulls off the weekend sweep at California and wins the Auto Club 500.
1. Matt Kenseth
2. Jeff Gordon
3. Jimmie Johnson
4. Jeff Burton
5. Mark Martin

Lap 250 -- WHITE FLAG: Matt Kenseth takes the white flag.

Lap 249 -- Jeff Burton spun his tires on the restart and falls to fourth. Jeff Gordon up to second, Jimmie Johnson to third.

Lap 248 -- GREEN FLAG: Matt Kenseth leads the field to the green flag. Kevin Harvick has a flat tire and has to pit.
1. Matt Kenseth
2. Jeff Burton
3. Jeff Gordon
4. Jimmie Johnson
5. Clint Bowyer

Lap 245 -- Kyle Busch and Tony Stewart were the highest leaders to come down pit road from the sixth and seventh position.

Lap 245 -- YELLOW FLAG: The cars have started up again and have begun rolling.

Lap 244 -- RED FLAG: The red flag is out to allow safety crews to clean up the track.

Lap 244 -- YELLOW FLAG #9: David Reutimann hits the wall hard between turns three and four when Greg Biffle taps his rear bumper and his car has caught on fire. Ricky Rudd and Bobby Labonte also involved.

Lap 241 -- Kevin Harvick is closing in on Matt Kenseth. Kenseth's lead is only 0.7 seconds.

Lap 238 -- Matt Kenseth has a one-second lead on Kevin Harvick with 12 laps to go.

Lap 232 -- Matt Kenseth brings the field to the green-flag. There are 17 cars on the lead lap.
1. Matt Kenseth
2. Jeff Burton
3. Kevin Harvick
4. Jeff Gordon
5. Jimmie Johnson

Lap 228 -- LEAD CHANGE: Jimmie Johnson loses the race off of pit road when his crew struggled on their pit stop. Matt Kenseth reclaims the lead.

Lap 227 -- Jimmie Johnson leads all the lead lap cars to pit road.
• Jimmie Johnson takes four tires, fuel and makes no adjustments
• Matt Kenseth takes four tires and fuel
• Jeff Burton makes no changes, takes four tires and fuel
• Tony Stewart makes minor adjustments, takes four tires and fuel
• Jeff Gordon makes a wedge adjustment to tighten the car, takes four tires and fuel

Lap 226 -- YELLOW FLAG #8: Debris on the track. David Ragan will get the free pass and get back on the lead lap.

Lap 225 -- Casey Mears makes an unscheduled pit stop. He takes four tires and fuel.

Lap 205 -- After another round of green-flag pit stops, Jimmie Johnson takes the lead coming off pit road when Matt Kenseth has some issues on his pit stop.
1. Jimmie Johnson
2. Matt Kenseth
3. Jeff Gordon
4. Jeff Burton
5. Kevin Harvick

Lap 202 -- LEAD CHANGE: Jimmie Johnson takes the lead as Greg Biffle pits.

Lap 201 -- LEAD CHANGE: Greg Biffle takes the lead when J.J. Yeley enters pit road. Biffle then enters pit road himself for four tires.

Lap 200 -- J.J. Yeley and Denny Hamlin enter pit road for tires and adjustments.

Lap 199 -- Kevin Harvick and Tony Stewart enter pit road. Stewart takes tires and fuel, makes no adjustments. Harvick will make minor adjustments and take four tires and fuel.

Lap 198 -- Jeff Burton and Clint Bowyer are on pit road. Burton takes tires and makes an air pressure change.

Lap 197 -- Leader Matt Kenseth is on pit road. He will take four tires and make an air pressure adjustment. David Gilliland was caught speeding exiting pit road and will have to serve a pass-through penalty.

Lap 196 -- Ryan Newman, David Gilliland, Kyle Busch and Tony Raines are on pit road for tires and fuel.

Lap 195 -- Jeff Gordon, Mark Martin and David Reutimann hit pit road for tires and minor adjustments.

Lap 194 -- Brian Vickers and Kurt Busch are on pit road beginning another round of green-flag pit stops.

Lap 184 -- John Andretti has an engine problem and is off the pace.

Lap 183 -- Matt Kenseth has led 93 laps so far, the most on the day. He continues to lead with Jeff Gordon second.
1. Matt Kenseth
2. Jeff Gordon
3. Jimmie Johnson
4. Jeff Burton
5. Kevin Harvick

Lap 164 -- LEAD CHANGE: Matt Kenseth takes the lead when Greg Biffle pits.

Lap 164 -- LEAD CHANGE: Greg Biffle takes the lead and then enters pit road for his green-flag stop.

Lap 163 -- LEAD CHANGE: Kevin Harvick takes the lead due to Clint Bowyer's pit box being behind the start-finish line.

Lap 162 -- Clint Bowyer and Kevin Harvick make green-flag pit stops, both with four tires and adjustments.

Lap 161 -- LEAD CHANGE: Clint Bowyer takes the lead before making his way down pit road. Tony Stewart was caught speeding leaving pit road, he will have to serve a stop-and-go penalty on pit road.

Lap 160 -- Tony Stewart, Jeff Gordon, Matt Kenseth and Mark Martin all make green-flag stops with adjustments. Mark Martin's crew has some problems on the pit stop, he loses a lot of time.

Lap 159 -- Jimmie Johnson begins green flag pit stops by coming in for four tires and adjustments.

Lap 152 -- Tony Stewart has opened up a lead of more than two seconds over second-place Jeff Gordon.

Lap 146 -- LEAD CHANGE: Tony Stewart gets past Matt Kenseth to take the lead. Gordon to second, Kenseth falls to third.

Lap 141 -- David Reutimann brushes the wall going into Turn 3, no major damage.

Lap 139 -- LEAD CHANGE: Matt Kenseth retakes the lead from Jeff Gordon.

Lap 138 -- LEAD CHANGE: Jeff Gordon edges Matt Kenseth at the line to lead a lap.

Lap 126 -- GREEN FLAG: Matt Kenseth brings the field to the green flag.
1. Matt Kenseth
2. Jeff Gordon
3. Clint Bowyer
4. Tony Stewart
5. Kevin Harvick

Lap 121 -- YELLOW FLAG #7: Dale Earnhardt Jr. blows his engine and will not return to the track. Joe Nemechek gets the free pass and will restart on the lead lap.

Lap 120 -- Matt Kenseth brings the field back up to speed.
1. Matt Kenseth
2. Jeff Gordon
3. Clint Bowyer
4. Tony Stewart
5. Kevin Harvick

Lap 118 -- Kyle Petty stayed out on the track to lead a lap. Jamie McMurray is back on the track after repairs were made to his No. 26 Ford.

Lap 117 -- All the lead lap cars hit pit road.
• Jimmie Johnson makes adjustments and take four tires.
• Tony Stewart with adjustments and tires on his Chevy
• Kevin Harvick with tires and minor adjustments
• Matt Kenseth with a solid pit stop and wins the battle off pit road

Lap 116 -- YELLOW FLAG #6: Caution is out for debris on the straightaway. Greg Biffle will receive the free pass back to the lead lap.

Lap 112 -- Dave Blaney says his car has no oil pressure, he will take his No. 22 Camry to the garage.

Lap 111 -- Dale Earnhardt Jr. has his engine fixed, climbs back into his car and will return to the track. Kasey Kahne who also left the track with engine problems has returned to the track as well.

Lap 98 -- LEAD CHANGE: Matt Kenseth brings the field to the restart in his No. 17 Ford Fusion. Dave Blaney wasn't past the commitment cone with the caution came out, meaning he pitted when pit road was closed. He was forced to restart at the tail end of the longest line.
1. Matt Kenseth
2. Tony Stewart
3. Clint Bowyer
4. Jimmie Johnson
5. Jeff Gordon

Lap 95 -- LEAD CHANGE: Dave Blaney grabs the lead by pitting while the caution came out and getting back on the track before the leaders passed him.

Lap 94 -- Pits are open and all of the lead lap cars hit pit road.
• Jimmie Johnson takes four tires and adjusts the car because it was too tight
• Clint Bowyer says car is a little tight, takes four tires
• Jeff Burton makes tire pressure and track bar adjustments, he loses four spots out of pit road
• Kevin Harvick also makes adjustments to his car

Lap 93 -- YELLOW FLAG #5: Debris on the track brings out the caution. Dave Blaney and Joe Nemechek on pit road at the time of the caution.

Lap 91 -- LEAD CHANGE: Tony Stewart catches Jeff Burton and reclaims the lead. Matt Kenseth hits pit road for a green-flag stop.

Lap 89 -- Carl Edwards makes an unscheduled green-flag stop after going a lap down

Lap 77 -- LEAD CHANGE: Jeff Burton takes the lead from Tony Stewart.

Lap 73 -- Jimmie Johnson's crew is concerned about an ignition issue with the No. 48 car.

Lap 70 -- Kasey Kahne's engine blows up, he takes his No. 9 Dodge to the garage.

Lap 70 -- Dale Earnhardt Jr. has his car pushed to the garage.

Lap 69 -- Dale Earnhardt Jr. is in his pit stall with the hood up.

Lap 67 -- LEAD CHANGE: Tony Stewart passes Matt Kenseth to take the lead.

Lap 66 -- Dale Earnhardt Jr. is reporting engine problems to crew chief Tony Eury Jr.

Lap 60 -- GREEN FLAG: Matt Kenseth brings the field to the green flag.
1. Matt Kenseth
2. Bobby Labonte
3. Tony Stewart
4. Clint Bowyer
5. Jeff Burton

Lap 58 -- Kevin Harvick was caught speeding down pit road, he will move back to the end of the longest line.

Lap 57 -- All the leaders hit pit road.

• Jimmie Johnson takes four tires and fuel
• Jeff Burton takes tires, fuel and makes minor adjustments
• Tony Stewart has a quick four tire stop with adjustments, comes off second
• Kevin Harvick has the quickest stop and will take the lead

Lap 56 -- Kyle Busch will receive the free pass and get back on the lead lap.

Lap 55 -- YELLOW FLAG #4: Sterling Marlin spins and hits the wall on the backstretch.

Lap 54 -- J.J. Yeley and Denny Hamlin are both on pit road for four tires and adjustments. Greg Biffle, David Stremme, Juan Montoya among others also making pit stops.

Lap 53 -- Kurt Busch hits pit road for tires and fuel.

Lap 52 -- LEAD CHANGE: Mark Martin hits pit road, Jimmie Johnson takes the lead.

Lap 51 -- Matt Kenseth, Carl Edwards and Kyle Busch all hit pit road for tires and fuel.

Lap 51 -- LEAD CHANGE: Green flag stops begin when Matt Kenseth hits pit road. Mark Martin takes the lead.

Lap 41 -- Dale Earnhardt Jr. passes leader Matt Kenseth to get back on the lead lap.

Lap 31 -- LEAD CHANGE: Matt Kenseth takes the lead from Kyle Busch after starting in the 25th position.

Lap 23 -- GREEN FLAG: Kyle Busch takes the lead with the leaders pitting and brings the field up to speed.

1. Kyle Busch
2. Denny Hamlin
3. Matt Kenseth
4. Bobby Labonte
5. Mark Martin

Lap 21 -- Leaders come down pit road.

• Clint Bowyer has a fast pit stop, taking tires and fuel
• Tony Stewart took four tires and made a wedge adjustment
• Kevin Harvick and Kasey Kahne also come in for tires and adjustments

Lap 20 -- YELLOW FLAG #3: David Ragan spins in Turn 2 bringing out the caution. Dale Earnhardt Jr. falls a lap down due to being in the pits when the yellow came out.

Lap 19 -- Dale Earnhardt Jr has a flat right side tire, forced to pit.

Lap 19 -- GREEN FLAG: Kasey Kahne gets the race back under way.

Lap 17 -- Jimmie Johnson, Jeff Burton and Jeff Gordon come into the pits for tires, fuel and adjustments, fall to the back of the pack. Ryan Newman and Johnny Sauter also hit pit road for tires, fuel and adjustments.

Lap 15 -- YELLOW FLAG #2: Martin Truex Jr. blows his engine.

Lap 13 -- GREEN FLAG: Kasey Kahne brings the field back to speed.
1. Kasey Kahne
2. Kevin Harvick
3. Clint Bowyer
4. Tony Stewart
5. Martin Truex Jr.

Lap 10 -- Reed Sorenson takes his car to the garage, along with Scott Riggs and Jamie McMurray.

Lap 9 -- Almost everyone hits pit road, with the top-nine cars staying out. Most taking four tires and making adjustments. Jimmie Johnson, Mark Martin and Kyle Busch were among those taking just two tires and topping off with fuel

Lap 8 -- YELLOW FLAG #1: Scott Riggs gets loose in Turn 2, hits the wall collecting Jamie McMurray and Reed Sorenson.

Lap 1 -- Kasey Kahne leads the first lap, Gordon falls to third.

3:47 p.m. -- GREEN FLAG: The Auto Club 500 is under way as Jeff Gordon brings the field up to speed.

3:41 p.m. -- Cars are rolling off pit road

3:35 p.m. -- Grand marshal Kevin Costner revs the crowd up and then delivers the command, "Gentlemen, start your engines!"

3:28 p.m. -- Brian McKnight performs the National Anthem

3:27 p.m. -- Invocation

3:13 p.m. -- Sammy Hagar performs I Can't Drive 55 for the Fontana crowd.

3 p.m. -- Coverage of the Auto Club 500 is under way on FOX. It's 52 degrees at the track under mostly cloudy skies.