WHITE FLAG: No caution, so this race will be official regardless of any cautions that come out.

Two to go, and Jamie McMurray's up nearly a second and a half on Kevin Harvick.

Barring a big mistake, Jamie McMurray seems to have a lock on the victory.

Jamie McMurray is up by nearly one second on Kevin Harvick, but Harvick's more concerned with Greg Biffle in third.

It's a three-car race for the top three spots, but Jamie McMurray is solidly in the lead.

Jamie McMurray is still in control, now up by nearly seven-tenths of a second.

Jamie McMurray is starting to pull away a little, giving himself some breathing room between him and second-place Kevin Harvick.

Greg Biffle continues to reel in Kevin Harvick for second place.

LEAD CHANGE: Jamie McMurray gets around Kevin Harvick for the lead. Clint Bowyer got around teammate Jeff Burton. Greg Biffle got around Tony Stewart, and Biffle's four tires are behind the two leaders.

GREEN FLAG: Kevin Harvick will lead them to the restart. 1. Kevin Harvick 2. Jamie McMurray 3. Tony Stewart 4. Jeff Burton 5. Greg Biffle

Juan Montoya starts the slow walk through the garage after another disappointing end to his day at the Brickyard.

YELLOW FLAG NO. 6 AND LEAD CHANGE: Just as Kevin Harvick got around Jamie McMurray for the lead, Chip Ganassi saw problems for his other car as well. Juan Montoya got loose and into the wall, and he collected Dale Earnhardt Jr. as he dropped down the track.

Jamie McMurray and Kevin Harvick are checking out, pulling away from the pack behind them. Greg Biffle is working his way through the field with his four fresh tires.

Jamie McMurray used a great restart to pull away early, and Kevin Harvick gets around Tony Stewart to take second. Juan Montoya gets passed on the restart, however, and will have a big pack to pass if he plans to win.

GREEN FLAG: Jamie McMurray leads the field to green with fewer than 20 laps to go. 1. Jamie McMurray 2. Tony Stewart 3. Kevin Harvick 4. Mark Martin 5. Kurt Busch

LEAD CHANGE: Jamie McMurray gets the lead with two tires. With divergent pit stop plans, those who chose track position with two tires grab the lead. Juan Montoya, who was leading, came out of the pits in seventh after taking four tires.

Pit road stops. ? Tony Stewart takes two tires and fuel with a slight trackbar adjustment ? Clint Bowyer took four tires and fuel ? Jamie McMurray took two tires and fuel ? Juan Montoya took four tires and fuel

CAUTION FLAG NO. 5: Debris brings out another caution and will bunch the field back up.

The race between Mark Martin and Kevin Harvick for seventh is heating up.

Jamie McMurray has opened up a little bit of space between himself and Greg Biffle, with Clint Bowyer closing up the space from the fourth-place position.

Tony Stewart is running solidly fifth, and hopes he has enough time to make a move on the leaders.

Greg Biffle is all up behind Jamie McMurray, staying in his rear-view mirror and trying to get back into second.

Joey Logano is up to 14th.

Juan Montoya now leads Jamie McMurray by nearly two seconds. Jeff Gordon just suffered what appears to be a cut right rear tire. Gordon also reported his oil and water temperatures are very high.

David Ragan, who was running well all day, just went a lap down after an unscheduled pit stop.

Dale Earnhardt Jr. is around Matt Kenseth for 13th.

Juan Montoya is starting to stretch out his lead, up nearly a second and a half on his teammate, Jamie McMurray. Martin Truex Jr., who has run in the top 15 all day, has dropped off the pace.

Greg Biffle's attempt to pass Juan Montoya for the lead resulted in Jamie McMurray actually getting past him, putting Earnhardt-Ganassi cars running 1-2. Tony Stewart is up into the top five.

GREEN FLAG: Juan Montoya leads them back to green. 1. Juan Montoya 2. Greg Biffle 3. Jamie McMurray 4. Clint Bowyer 5. Kevin Harvick

Tony Stewart and Carl Edwards made big climbs, with Stewart up to eighth and Edwards now ninth.

Jimmie Johnson's stop took too long, and he was passed while on pit road, so he goes a lap down. The disappointment is obvious in Chad Knaus' voice.

The leaders are on pit road. ? Mark Martin got another adjustment, four tires and fuel ? Clint Bowyer got four tires ? Greg Biffle got both track bar and wedge adjustments ? Juan Montoya took no adjustments, just tires and fuel ? Jimmie Johnson is changing out shocks on his car

YELLOW FLAG NO. 4: Debris coming out of Turn 2 brings out the yellow, as what appears to be some sheet metal flew up and hit Ryan Newman's car.

Juan Montoya was caught up behind the lapped car of Ryan Newman, but is also have some handling problems.

Greg Biffle has cut Juan Montoya's lead by more than half, now less than a half-second back.

Carl Edwards has gotten around Jeff Gordon for 13th. Dale Earnhardt Jr. is right outside the top 15 in 16th.

The average last green-flag run at Indianapolis is 27 laps. There are 48 laps left now and they've been green since Lap 68.

Jamie McMurray is running third

Juan Montoya's lead is more than a second and a half on Greg Biffle.

Greg Biffle telling his crew chief he hopes that pit stop doesn't cost him the victory, with Greg Erwin saying they weren't trying to avoid Juan Montoya but trying to pit with Clint Bowyer and Kevin Harvick and those guys. They weren't expecting Brad Keselowski to pit with them.

Kyle Busch is up to seventh, continuing his move toward the front.

Now that he's back up front, Juan Montoya is back in fresh air and having no problems. His lead over Greg Biffle is hovering in the eight-tenths to one second range.

The top five after green-flag stops: 1. Juan Montoya 2. Greg Biffle 3. Jamie McMurray 4. Clint Bowyer 5. Kevin Harvick

LEAD CHANGE: Juan Montoya takes lead when Carl Edwards pits.

LEAD CHANGE: Carl Edwards takes the lead when Greg Biffle gets on pit road. ? Biffle nearly hits Brad Keselowski on pit road, gets a wedge adjustment and four tires ? Kurt Busch takes four tires, fuel and an air pressure adjustment

Green flag stops start up. ? Tony Stewart pits for tires, fuel ? Juan Montoya four tires and fuel ? Mark Martin four tires, fuel and two rounds out of the left rear ? Kevin Harvick went back to his original air pressure

David Ragan is up to 14th. He's been working his way through the field all day and now finds himself in the top 15, at the back end of a Roush train: Carl Edwards 12th, Matt Kenseth 13th, David Ragan 14th.

It's a two-man race, and even that might be kind. Greg Biffle leads Juan Montoya by about six-tenths of a second, with third-place Jamie McMurray another five seconds back.

Marcos Ambrose is actually having a pretty solid run. He qualified poorly, but is up to 22nd now. He's picked up 19 spots from where he qualified.

The top 10 has remained largely static for some time. Biggest moves are coming in the 11-20 range, with some pretty solid racing.

Jimmie Johnson just got passed by Bill Elliott and Marcos Ambrose. Please re-read that. Let it sink in.

Carl Edwards is up to 14th, having climbed past Matt Kenseth, his teammate.

Tony Stewart gets around Jeff Gordon for 11th.

Joey Logano is up to 18th after qualifying 34th and starting at the rear of the field. He's recovered well from hitting debris in that first-lap crash.

Good news, bad news time for Jimmie Johnson. Good news: He's still on the lead lap despite his problems. Bad news: He's 20 seconds off the lead.

We're past halfway. Bad omen for Greg Biffle: the leader at halfway has won only four times this season. Roush Fenway has never won at Indianapolis.

Martin Truex Jr. has quietly been running in the top 10 for large portions of today, currently sitting seventh.

Tony Stewart is up to 12th. Kyle Busch is ninth, but complaining about how loose his car is after his pit stop adjustments.

Greg Biffle's lead just topped one second on Juan Montoya.

Juan Montoya and Jamie McMurray remain in the top three, continuing the strong runs they were expected to have.

Scott Speed had to pit after replays showed contact with Jimmie Johnson, bringing Speed in for a flat tire.

There are 26 cars on the lead lap, and Denny Hamlin is the first car one lap down.

Greg Biffle continues to turn laps in the lead, up by more than half a second on Juan Montoya in second. Biffle is the only Ford in the top six, with Chevrolets taking up the next five spots.

Jimmie Johnson is still struggling, and got a little loose when he got passed by Denny Hamlin when Hamlin took air off his left side.

Regan Smith is getting plenty of TV love, up to 19th now.

Tony Stewart is up to 14th, but said he's still not pleased with how his car drives off the corners. Mark Martin has dropped to sixth now.

Kyle Busch, Jeff Gordon and Jeff Burton are all bunched up in a battle for ninth.

GREEN FLAG: Greg Biffle takes the inside line. 1. Greg Biffle 2. Juan Montoya 3. Jamie McMurray 4. Clint Bowyer 5. Kevin Harvick

Jimmie Johnson just spent extended time on pit road, and will restart 22nd when the race goes green.

Greg Biffle won the race off pit road and retains the lead. Clint Bowyer is up to fourth. Big gainers were Carl Edwards (13th) and Tony Stewart (14th).

A plethora of cars hit pit road under caution. ? Mark Martin takes four tires and fuel ? Clint Bowyer gets an air pressure adjustment ? Greg Biffle adds air in his right side tires ? Juan Montoya gets a track bar adjustment

YELLOW FLAG NO. 3: Debris in Turn 2 brings out another caution, helping Juan Montoya's case as he was nearly going to have to pit under green.

Greg Biffle is pulling away quickly, opening up nearly a one-second lead on Juan Montoya.

LEAD CHANGE: Greg Biffle gets around Juan Montoya for first.

Kyle Busch is up to eighth now after passing Jimmie Johnson. Jeff Burton just got around Johnson as well, dropping the four-time champion to 10th.

Greg Biffle is starting to reel Juan Montoya in as Montoya's laps wind down before he'll have to hit the pits.

Big-name drivers near the middle of the pack, with Tony Stewart, Carl Edwards and Dale Earnhardt Jr. running 16th-18th.

Jeff Gordon is down to 13th, and has yet to see if the adjustments his team made on his pit stop will pay off.

Greg Biffle is the fastest car in the top 10, making up ground on Juan Montoya. Montoya will have to pit sooner, since his stop for the vibration came about 11 laps before the others started their green-flag stops.

Kyle Busch is up to ninth after the early incident, and is making his move.

The top five after green flag stops cycled through: 1. Juan Montoya 2. Greg Biffle 3. Mark Martin 4. Clint Bowyer 5. Jamie McMurray

LEAD CHANGE: Juan Montoya back to the lead after Tony Stewart gets onto pit road. ? Stewart gets a wedge adjustment, four tires and fuel

LEAD CHANGE: Tony Stewart takes the lead when Greg Biffle hits pit road. ? Greg Biffle gets four tires and fuel ? Carl Edwards takes four tires and fuel

LEAD CHANGE: Greg Biffle takes the lead when Mark Martin hits pit road under green. ? Mark Martin takes four tires and fuel ? Jimmie Johnson gets four tires and fuel ? Jamie McMurray has a track bar adjustment ? Kevin Harvick gets four tires and fuel ? Jeff Burton takes four tires and fuel ? Jeff Gordon takes a major air pressure adjustment along with tires and fuel

Kevin Harvick gets past Jimmie Johnson now, taking over fifth.

Jimmie Johnson is fading, falling down to fifth after Jamie McMurray and Clint Bowyer got around him.

Ryan Newman, who started fifth, is running 34th

Kurt Busch has climbed into the top 10 after getting around his brother as well as Jeff Gordon.

Mark Martin has a lead of more than two seconds on Greg Biffle, with Jimmie Johnson and Jamie McMurray running third and fourth.

Richard Childress Racing continues to have a strong day, with all cars in the top 10. Kevin Harvick is fifth, Clint Bowyer sixth and Jeff Burton eighth.

Jeff Gordon is running 10th, but said his car is "plowing." Steve Letarte promises they will make the necessary adjustments.

Juan Montoya is back out on the track, showing up in 30th position after that unscheduled pit stop. The Busch brothers are back-to-back, with Kyle in 12th and Kurt in 13th.

Kevin Harvick is up into the top five, and his teammate Clint Bowyer is right behind him.

LEAD CHANGE: Mark Martin takes the lead when Juan Montoya hits pit road to have his crew take a look at the vibration he's feeling. He takes four tires.

Greg Biffle gets around Jimmie Johnson on the inside, taking over third.

Juan Montoya is working his way around lapped traffic with no difficulty, now up by more than two seconds on Mark Martin. But he says the vibration of the possibly loose wheel is getting worse.

The Jeffs

Matt Kenseth continues to drop, now down to eighth from a high of fourth.

Juan Montoya's lead is still nearly two seconds on Mark Martin.

Paul Menard is up to 14th after starting 26th.

Greg Biffle moves to the outside and gets around Matt Kenseth for fourth, dropping Kenseth to fifth. Jamie McMurray and Kevin Harvick are running sixth and seventh.

Greg Biffle is on the tail of his teammate, Matt Kenseth, for fourth.

Juan Montoya now reports he's feeling a looseness in one of his tires.

Juan Montoya is just pulling away with all that clean air up front, allowing him to miss the troubles behind him. Mark Martin has worked his way around his teammate, Jimmie Johnson, for second.

Kyle Busch has had a pretty good weekend already, and he's hovering outside the top 10 in 13th after picking up 10 spots since the start.

Martin Truex Jr. has also snuck up through the field, sitting seventh after starting 12th. Biggest mover, however, is David Ragan. He started 28th and is sitting 13th now.

Matt Kenseth is running fourth after starting 13th. A good day for a guy who hasn't had a ton of them this season.

Joey Logano moved up to 14th with a pit stop for just fuel, but he's being passed willy-nilly now as cars with fresher tires get around him. Clint Bowyer moves up to 10th by passing Kasey Kahne.

LEAD CHANGE: Juan Montoya moved past Jimmie Johnson on the outside along the backstretch, regaining the lead using the side draft.

LEAD CHANGE AND GREEN FLAG: Jimmie Johnson takes the lead when Joe Nemechek drops back in the field to keep from holding up the field on the restart. 1. Jimmie Johnson 2. Juan Montoya 3. Mark Martin 4. Matt Kenseth 5. Jamie McMurray

Denny Hamlin is on pit road, and they're under his hood taking a look.

LEAD CHANGE: Kevin Conway moves into the lead when Landon Cassill heads to pit road.

LEAD CHANGE: Landon Cassill takes the lead when Juan Montoya takes to pit road. Jimmie Johnson beats Montoya off pit road, and he pulls directly onto the track instead of taking the warm-up lane.

Cars hit pit road. ? Tony Stewart takes four tires and fuel ? Mark Martin gets a wedge adjustment ? Jimmie Johnson takes right-side tires only ? Juan Montoya takes two tires, fuel and a grill cleaning

YELLOW FLAG NO. 2: Back under yellow. Robby Gordon tore up the front end of his car, and Max Papis also has some damage.

Ryan Newman's team reports it was a fender rub causing the flats, but they think they've fixed it now. Dale Earnhardt Jr. hits pit road, also battling the overheating that has struck so many.

Kasey Kahne continues to climb through the field. He's up to 14th after starting 24th.

Carl Edwards remained on the lead lap after only having to have tape removed for the heat. Brad Keselowski is on pit road and taking four tires.

Carl Edwards is on pit road for an unscheduled stop, saying his temperature is spiking, and Ryan Newman is back on pit road for another left rear flat. Denny Hamlin is also on pit road, facing some overheating issues as water spurts out from under his hood. A.J. Allmendinger is also on pit road.

The leaders are spacing out, with Juan Montoya opening up a 7/10ths of a second lead on Jimmie Johnson.

Tony Stewart may not have been strong in practice, but he's strong as all get-out today. He's up to 10th from 15th. His teammate, Ryan Newman, has a flat tire and nearly missed the pit road entrance.

Jeff Gordon lost two spots on that lap, down to 10th, and seems to be drifting a little.

GREEN FLAG: Juan Montoya takes them to the green. Top five on the restart: 1. Juan Montoya 2. Jimmie Johnson 3. Mark Martin 4. Jamie McMurray 5. Greg Biffle

Sam Hornish Jr. is being penalized for speeding on pit road, so they're using the time to continue working on the car. Juan Montoya has opted to take the inside line on the restart.

A replay shows Joey Logano had to take tape to the front of his car after he hit some debris following that accident.

Kasey Kahne is in 21st position after starting 24th.

On the positive front, A.J. Allmendinger managed to pick up two spots in the half-lap of racing under green. He's moved from 16th to 14th.

Elliott Sadler's crew heads back to the garage as he's on his way after that melee. Marcos Ambrose also pitted to clean off his grill.

YELLOW FLAG NO. 1: That didn't take long. Sam Hornish Jr., Reed Sorenson took the worst of a collision on the first lap, with David Reutimann, Todd Bodine and Kyle Busch also being roped into it. There's minor damage to Busch's 18 car, but Hornish's No. 77 took some serious damage to the rear.

GREEN FLAG: Juan Montoya and Jimmie Johnson take the green on the way to 160 laps of the Brickyard 400.

Joey Logano and Todd Bodine both move to the rear of the field for the start after changing engines.

The cars are on the track for their pace laps.

Command to start engines from Mari Hulman George, IMS chairman of the board.

National anthem by Grammy winner Steven Curtis Chapman.

Invocation by Rev. Howard Brammer of Traders Point Christian Church.

NASCAR spokesman Herb Branham says there will be a competition caution at Lap 15. No one can take fuel before that stop.

ESPN's pre-race coverage is under way.

It's overcast at Indianapolis Motor Speedway, but that means cooler temperatures for the Brickyard 400. Radar looks mostly clear for one of the most prestigious races on the Cup schedule. Green flag is scheduled for 1:18 p.m. ET, and Juan Montoya will start on the pole.