Matt Kenseth gave owner Jack Roush a weekend sweep at California. Credit: Autostock

Lap-by-Lap: California

Lap 252 -- Matt Kenseth wins the Auto Club 500.
Top five:
1. Matt Kenseth
2. Jimmie Johnson
3. Carl Edwards
4. Kasey Kahne
5. Jeff Burton

Lap 250 -- Green flag: Matt Kenseth and Jimmie Johnson lead the pack into Turn 1.

Matt Kenseth celebrates in Victory Lane. Credit: Rusty Jarrett/Getty Images

Auto Club 500 Unofficial Results Pos. Driver Make 1. M. Kenseth Ford 2. J. Johnson Chevy 3. C. Edwards Ford 4. K. Kahne Dodge 5. J. Burton Chevy 6. J. McMurray Ford 7. C. Mears Dodge 8. J.J. Yeley Chevy 9. M. Martin Ford 10. Ky. Busch Chevy • Complete results, click here Victory LaneMatt Kenseth celebrates his California victory Top finishersJohnson, Kahne, Edwards talk about their day Final lapsKenseth holds off the field in a green-white-checkered finish TaggedContact with J.J. Yeley sends Kurt Busch spinning Green flagTroubles for Stewart, Gordon follow them to California Sign up for TrackPass now BUY THE NEXTEL i836

Lap 249 -- Top five:
1. Matt Kenseth
2. Jimmie Johnson
3. Kasey Kahne
4. Carl Edwards
5. Jeff Burton

Lap 247 -- None of the leaders pit; from 11th-place Clint Bowyer back, most pitted.

Lap 246 -- Caution: possible debris on the track following Scott Wimmer's smoking engine.

Lap 245 -- Matt Kenseth keeps things stable with five to go.

Lap 240 -- Things get tight near fifth place, when Jamie McMurray squeezes by Jeff Burton and around the lapped car of Jeff Green.

Lap 238 -- Matt Kenseth's lead over Jimmie Johnson grows to 1.5 seconds.

Lap 230 -- Greg Biffle pulls behind the wall.

Lap 228 -- Green flag: Matt Kenseth leads; Greg Biffle pulls out of the way and gets passed by much of the field.

Lap 226 -- Top five:
1. Matt Kenseth
2. Greg Biffle
3. Jimmie Johnson
4. Kasey Kahne
5. Jeff Gordon

Lap 225 -- Caution: Kurt Busch clipped by J.J. Yeley; spins but hits no one.
• Smoke coming from Greg Biffle's car as he enters Turn 3
• Biffle's car drops a cylinder

Lap 223 -- Green flag: Matt Kenseth leads Jeff Gordon on the restart.

Lap 219 -- Caution: Stanton Barrett spins in a one-car accident
• Matt Kenseth takes lead from Jeff Gordon before the yellow
• None of the leaders pit

Lap 218 -- Green flag: Jeff Gordon clears the lapped cars and leads Matt Kenseth into Turn 1; three-wide back in the pack.

Lap 217 -- Top five
1. Jeff Gordon
2. Matt Kenseth
3. Greg Biffle
4. Jimmie Johnson
5. Mark Martin

Lap 216 -- All of the leaders head to pit road:
• All drivers take four tires
• Tony Stewart becomes the first car to drop out of the race
• Jeff Gordon wins race off pit road by taking two tires

Lap 215 -- Caution: Tony Stewart's engine may have dropped liquid.

Lap 214 -- Tony Stewart heads to pit road with smoke coming from the hood; he was running third.

Lap 201 -- Green flag: Greg Biffle leads the field into Turn 1.

Lap 200 -- Casey Mears, Dale Jarrett and Kurt Busch top off with fuel with one to go.

Lap 198 -- Top five still has Roush look:
1. Greg Biffle
2. Tony Stewart
3. Mark Martin
4. Matt Kenseth
5. Carl Edwards

Lap 197 -- Leaders come to pit road:
• Jeff Gordon's crew changes battery in No. 24
• Greg Biffle wins the race off pit road
• Kasey Kahne drops from the top five to seventh place

Lap 196 -- Caution: debris in Turn 1 (third time today)
• Tony Stewart is back on the same pit schedule as the leaders
• Dale Earnhardt Jr. gets free pass as first car one lap down
• All 43 cars are still in the race

Greg Biffle Credit: Autostock

Lap 186 -- After pit stops are complete, Greg Biffle's Ford is back out front.

Lap 184 -- Denny Hamlin slides through the grass after locking up his tires while trying to hit pit road; no caution.

Lap 182 -- Greg Biffle gives up the lead to make his pit stop and asks for no changes. He has a 16.2-second stop.

Lap 181 -- Green-flag pit stops begin for the third time today, with Jimmie Johnson and Carl Edwards stopping.

Lap 169 -- Tony Stewart and Casey Mears pit under green; they are both on a different pit schedule than the leaders.

Lap 168 -- Greg Biffle leads his 122nd lap to clinch the five bonus points for leading the most laps.

Lap 152 -- Greg Biffle has a 10-second lead over second-place Matt Kenseth.

Lap 140 -- Greg Biffle assumes the lead once again; Tony Stewart, who is off on his pit cycle, runs second on older tires.

Lap 137 -- Rookie J.J. Yeley and veteran Mark Martin each stay out to lead a lap and collect five bonus points before coming to pit road.

Lap 136 -- Leader Greg Biffle is in for his green-flag stop; Reed Sorenson makes a second stop after a loose lug nut.

Lap 135 -- Green-flag pit stops begin:
• Kevin Harvick is the first to stop
• Jimmie Johnson and Reed Sorenson make stops

Lap 122 -- Tony Stewart makes an unscheduled pit stop; the left-front tire is flat when he stops. Casey Mears also pits for a flat tire.

Lap 114 -- Tony Stewart works his way to sixth after pit-road problems from the last caution.

Lap 110 -- Four of top five cars are Roush-owned, sandwiching former driver Kurt Busch (4th).

Lap 97 -- Greg Biffle passes Matt Kenseth as the two cross the start/finish line to grab the lead again.

Lap 94 -- Matt Kenseth shoots back by Kurt Busch to retake the lead, while Greg Biffle slips past Busch for second.

Lap 93 -- Green flag: Matt Kenseth leads Kurt Busch into Turn 1, but Busch wins the race off of Turn 3 to take the lead. Stewart restarts 15th.

Lap 91 -- The top 5 all Roush and Penske:
1. Matt Kenseth (Roush)
2. Kurt Busch (Penske)
3. Greg Biffle (Roush)
4. Carl Edwards (Roush)
5. Ryan Newman (Penske)

Lap 90 -- Leaders hits pit road
• Matt Kenseth wins race off pit road with a two-tire stop
• Tony Stewart has problems on pit road and loses 14 spots

Lap 89 -- Caution: debris in Turn 2

Lap 83 -- Green-flag pitting cycles through, and Tony Stewart takes command again as the leader.

Lap 82 -- Brian Vickers serves his pass-through penalty for exiting pit road too fast and goes a lap down.

Lap 80 -- Tony Stewart gives up the lead to hit pit road under the green; Matt Kenseth stays out to lead a lap.

Lap 78 -- Green-flag pit stops begin with Greg Biffle, Carl Edwards, Kevin Harvick and Reed Sorenson starting the madness.

Lap 68 -- Reed Sorenson, who started 31st, cracks the top 10.

Lap 61 -- Tony Stewart runs down Greg Biffle and wiggles past him on the inside to take the lead.

Lap 52 -- All five Roush Racing cars are in the top 10.

Lap 44 -- Tony Stewart goes below Kurt Busch to take second place, 1.2 seconds behind leader Greg Biffle.

Lap 36 -- Green flag: Kurt Busch dives under Greg Biffle in Turn 3 to make it two-wide, but Biffle holds him off.

Tony Stewart Credit: Autostock

Lap 32 -- All cars head to pit road
• Michael Waltrip pitted early for engine trouble
• Greg Biffle has an 8.2-second stop and wins the race off pit road
• Kurt Busch edges Jimmie Johnson for second
• Kenny Wallace gets the free pass

Lap 31 -- Caution: debris in Turn 3

Lap 25 -- Four Roush drivers are in the top 10, while Matt Kenseth runs 12th.

Lap 15 -- Jamie McMurray moves into 12th position after starting 30th, while teammate Matt Kenseth runs 15th after his 33rd starting spot.

Lap 6 -- Greg Biffle takes the lead from Busch, as both drivers have a 2.5-second lead on the field.

Lap 1 -- Smooth start as Kurt Busch leads the pack for five bonus points.

4:17 p.m. -- Green flag

4:10 p.m. -- Raindrops begin to sprinkle on California Speedway as cars roll onto the track.

4:08 p.m. -- Motorsports columnist Shav Glick: "Gentlemen, start your engines."

4:00 p.m. -- American Idol winner Fantasia performs national anthem.

3:59 p.m. -- Invocation

3:52 p.m. -- Jewel takes the stage; no sign of drivers in the crowd.

3:47 p.m. -- TV discussion of 2006 driver swapping starts off with mention of Kurt Busch's ear surgery.

3:31 p.m. -- The first "Boogity, boogity, boogity" from Darrell Waltrip rings loud in FOX's intro. Let the count begin.

3:30 p.m. -- FOX is on the air.

2:50 p.m. -- It's 74 degrees and partly cloudy over Fontana with a blowing wind, as the start of the Auto Club 500 is just more than an hour away.