Lap 227 -- RED FLAG (5:55 p.m. ET): Rain has picked up and track dryers have gone to the garage.

Lap 227 -- RED FLAG (5:36 p.m. ET): The track-drying process continues. Some drivers are unseen, but leader David Reutimann has stood by his car without an umbrella since the red flag came out.

Lap 227 -- RED FLAG (4:58 p.m. ET): Jet dryers are being sent back out to the race track to attempt to dry the racing surface.

Lap 227 -- RED FLAG (4:46 p.m. ET): Some drivers have left pit road.

Lap 227 -- RED FLAG (4:39 p.m. ET): NASCAR has called the jet dryers back to the garage as rain continues to fall.

Lap 227 -- RED FLAG (4:31 p.m. ET): Officials are trying to dry the track.

Lap 227 -- RED FLAG (4:19 p.m. ET): Cars are headed down pit road to park for a fourth red flag. Rain continues to fall.

Lap 223 -- LEAD CHANGE: David Reutimann is the new leader after staying on the track.

1. David Reutimann

2. Ryan Newman

3. Robby Gordon

4. Carl Edwards

5. Brian Vickers

Lap 222 -- Leaders make pit stops, although David Reutimann, Ryan Newman and Robby Gordon choose to stay on the track:

• Kasey Kahne gets four tires and no changes

• Matt Kenseth asks for major adjustments and gets tires

• Kyle Busch gets four tires after debating whether to pit or not

• Carl Edwards gains two spots and is first off

Lap 221 -- YELLOW FLAG NO. 6: Rain has returned to the track in Turn 2.

Lap 220 -- Kasey Kahne is closing the gap between him and leader Kyle Busch, but reports say rain is in Turn 2.

Lap 217 -- Carl Edwards goes to the outside of Jimmie Johnson to take third place. Joey Logano tries to follow and makes it stick, sending Johnson back to fifth.

Lap 209 -- Kasey Kahne passes Jimmie Johnson to take second place.

Lap 205 -- Kasey Kahne has the fastest car this lap and runs in third.

Lap 200 -- The Coca-Cola 600 is at the halfway mark. Kyle Busch leads Jimmie Johnson by 1.597 seconds.

Lap 197 -- Carl Edwards is battling Kasey Kahne tough for third position. Edwards has the low line, while Kahne runs near the wall.

Lap 192 -- Kurt Busch has a bad vibration on the right-front. He's headed to pit road from his 15th running position and takes two tires.

Lap 190 -- Juan Montoya drops to seventh and reports his car is extremely tight after the red flag.

Lap 187 -- Mark Martin has climbed back to 15th after falling back in the pack early in the race due to a pit-road violation.

Lap 182 -- Jimmie Johnson drives below Kasey Kahne to take second position. Joey Logano passes Juan Montoya at the same time to take fifth.

Lap 180 -- GREEN FLAG: Kyle Busch gets the race going once again.

1. Kyle Busch

2. Kasey Kahne

3. Jimmie Johnson

4. Carl Edwards

5. Juan Montoya

Lap 179 -- Max Papis has taken his car to the garage.

Lap 177 -- YELLOW FLAG NO. 5 (3:42 p.m. ET): Cars are rolling onto the track once again for caution laps.

Lap 177 -- RED FLAG (3:40 p.m. ET): Cars have refired.

Lap 177 -- RED FLAG (3:32 p.m. ET): Officials are drying the track as rain has moved on.

Lap 177 -- RED FLAG (3:20 p.m. ET): Cars are coming to pit road. The rain in Turn 2 is too heavy.

Lap 170 -- Rain has moved in over Turns 1 and 2 so the caution will be extended.

Lap 168 -- Leaders make pit stops:

• Brian Vickers is loose and asks for changes

• Jeff Gordon gains 12 spots with two tires

• Kurt Busch sticks with four tires and fuel

• Kyle Busch has a fast, four-tire stop and is out first

Lap 166 -- YELLOW FLAG NO. 5 (3:02 p.m. ET): Cars refire and crews return to their pit boxes following the moment of silence.

Lap 166 -- RED FLAG (3 p.m. ET): Cars are stopping on the frontstretch. Fans are standing. Crews are lined up on pit road. Flags are at half-mast. NASCAR holds a moment of silence at 3 p.m. ET for veterans who have served the United States.

Lap 163 -- YELLOW FLAG NO. 5: NASCAR is holding a caution for a Memorial Day tribute.

Lap 160 -- Kurt Busch has the fastest car this lap and runs in eighth.

Lap 156 -- Juan Montoya works the high lane to get around Kyle Busch for second position.

Lap 149 -- Tony Stewart passes Carl Edwards to move into ninth position.

Lap 145 -- LEAD CHANGE: Brian Vickers drives below Kyle Busch for the lead as Busch wiggles while riding in the high lane.

Lap 143 -- Brian Vickers catches leader Kyle Busch as they work around slower traffic.

Lap 136 -- Kyle Busch leads by 0.396 seconds after pit stops.

1. Kyle Busch

2. Brian Vickers

3. Juan Montoya

4. Kasey Kahne

5. Jimmie Johnson

Lap 134 -- LEAD CHANGE: Kyle Busch regains the lead after pit stops cycle through and Dave Blaney hits pit road.

Lap 133 -- LEAD CHANGE: Dave Blaney inherits the lead when Joey Logano makes his pit stop. David Gilliland is penalized for speeding on pit road.

Lap 132 -- LEAD CHANGE: Brian Vickers pits from the lead for changes and tires. Juan Montoya pits, as does Jeff Gordon. Kurt Busch and Martin Truex Jr. make their stops. Joey Logano is the new leader.

Lap 131 -- Jimmie Johnson pits and is loose. Tony Stewart is tight and gets track-bar and air-pressure adjustments.

Lap 130 -- Kyle Busch is in for his stop to get minor adjustments to compensate for the sun. Matt Kenseth is loose and gets a chassis adjustment.

Lap 129 -- Kevin Harvick, Greg Biffle and Elliott Sadler make pit stops. Martin Truex Jr. was supposed to pit but could not hear his crew. Casey Mears, Marcos Ambrose and Joe Nemechek make stops.

Lap 127 -- Dale Earnhardt Jr. pits to make changes to his car. Denny Hamlin joins him from the 11th position for tires and fuel, and to remove a spring rubber.

Lap 120 -- LEAD CHANGE: Brian Vickers completes the pass of Kyle Busch to take the top spot.

Lap 118 -- Brian Vickers takes second from Jimmie Johnson and continues his march toward the front.

Lap 117 -- Ryan Newman has worked his way back up to 15th position after an early pit miscue buried him in the field.

Lap 112 -- Dale Earnhardt Jr. loses a lap to leader Kyle Busch.

Lap 105 -- David Reutimann continues to drop positions and is now down to ninth. He took two tires on the previous pit stop.

Lap 103 -- Juan Montoya and Carl Edwards are battling tough for sixth position. Up front, Jimmie Johnson is starting to run down leader Kyle Busch.

Lap 98 -- Dale Earnhardt Jr. is back to 42nd position, the last car on the lead lap.

Lap 96 -- David Reutimann has fallen from second to fifth position. He is loose and brushed the wall.

Lap 90 -- Jimmie Johnson has the fastest car on the track this lap. He runs fourth.

Lap 83 -- Jimmie Johnson, Kasey Kahne and Jamie McMurray go three-wide coming out of Turn 4 and through the tri-oval in a battle for fifth.

Lap 81 -- David Reutimann dives below Carl Edwards for second position. Cars with four new tires are catching the leaders.

Lap 80 -- GREEN FLAG: Kyle Busch gets the Coca-Cola 600 under way once again after nearly an hour under the red flag.

1. Kyle Busch

2. Carl Edwards

3. David Reutimann

4. Jamie McMurray

5. Joey Logano

Lap 79 -- LEAD CHANGE: Scott Riggs pits, giving Kyle Busch the lead. Mark Martin drops to the rear of the field from his pit-road penalty of losing a tire from his pit box.

Lap 75 -- LEAD CHANGE: Robby Gordon pits, giving Scott Riggs the lead.

Lap 73 -- YELLOW FLAG NO. 4 (2:02 p.m. ET): Cars are rolling off pit road for caution laps.

Lap 73 -- RED FLAG (1:59 p.m. ET): Drivers have fired their engines and are ready to go racing again.

Lap 73 -- RED FLAG (1:50 p.m. ET): Teams are uncovering the cars and drivers have been called back to pit road.

Lap 73 -- RED FLAG (1:12 p.m. ET): Rain has stopped and officials are trying to dry the track.

Lap 73 -- RED FLAG (1:06 p.m. ET): Rain continues at a heavy pace. Cars are heading down pit road to park.

Lap 73 -- LEAD CHANGE: Robby Gordon stays out to lead. Michael Waltrip and Scott Riggs also stay on the track.

Lap 72 -- Leaders head down pit road:

• Brian Vickers gets four tires and no changes

• Tony Stewart takes four tires despite contemplating two

• Kyle Busch takes two tires and is out quickly

• Carl Edwards takes two tires and gains 10 positions on pit road

• Mark Martin's crew loses a tire on pit road; he will be penalized

Lap 71 -- YELLOW FLAG NO. 4: Rain is falling.

Lap 65 -- Tony Stewart has had a strong run and is trying to make his way to the front. He started 28th and is now running 14th.

Lap 60 -- Ryan Newman is buried in 33rd position after having to return to pit road during the previous caution flag.

Lap 55 -- Jimmie Johnson's car is loose. He has fallen to sixth position.

Lap 51 -- Mark Martin takes second place from Jimmie Johnson.

Lap 48 -- LEAD CHANGE: Kyle Busch gets the lead back by passing Jimmie Johnson.

Lap 45 -- GREEN FLAG: Jimmie Johnson leads the field to green.

1. Jimmie Johnson

2. Kyle Busch

3. Mark Martin

4. Kurt Busch

5. Denny Hamlin

Lap 44 -- LEAD CHANGE: Jimmie Johnson inherits the lead when Tony Raines pits.

Lap 43 -- LEAD CHANGE: Tony Raines stays out to claim the lead. Ryan Newman is back on pit road for the team to tighten lug nuts. Mike Bliss heads to the garage.

Lap 42 -- Leaders head down pit road:

• Brian Vickers is tight and gets an air-pressure adjustment

• Jeff Gordon gets major changes to fix his tight car

• Kyle Busch reboots his gauges to fix the electrical problem

• Ryan Newman gets four tires and fuel

• Jimmie Johnson is out first with right-side tires only

• Greg Biffle gains 15 positions on pit road with just two tires

• Kevin Harvick pits before the lane is open; he will be penalized

Lap 41 -- YELLOW FLAG NO. 3: Competition caution for the field. Teams are allowed to fuel their cars for the first time.

Lap 37 -- Kurt Busch moves around Joey Logano to take seventh.

Lap 31 -- Ryan Newman has fallen from second to fourth, losing positions to Mark Martin and Brian Vickers.

Lap 26 -- Joey Logano is having a strong run early on, moving past Juan Montoya to take seventh position.

Lap 24 -- Jeff Gordon tells his crew the car is tough to drive as he drops positions. He's now running in 10th.

Lap 21 -- GREEN FLAG: Kyle Busch leads the field to green. He tells his crew, however, he can smell electrical in his car and that gauges are moving.

1. Kyle Busch

2. Ryan Newman

3. Mark Martin

4. Kasey Kahne

5. Brian Vickers

Lap 19 -- Kevin Harvick pits again to make repairs to his fender.

Lap 18 -- Six cars make pit stops, mostly from the back of the pack. Dave Blaney in 24th is the highest-running car to pit. Others who pit: Paul Menard, Scott Riggs, Reed Sorenson and Tony Raines. Kevin Harvick is the sixth car to pit.

Lap 17 -- YELLOW FLAG NO. 2: Kevin Harvick slaps the wall hard after his right-front tire went down from his existing fender rub.

Lap 14 -- Kevin Harvick slows with right-front fender damage after contact with Sam Hornish Jr. He falls to the back of the pack.

Lap 12 -- GREEN FLAG: Kyle Busch gets the race going again.

Lap 8 -- Eleven cars hit pit road, including Kevin Harvick, Matt Kenseth, Michael Waltrip, Jeff Burton, Greg Biffle, Tony Raines, Robby Gordon, Max Papis and Dale Earnhardt Jr. Tires and adjustments are only allowed due to the scheduled competition caution; no fuel allowed.

Lap 7 -- YELLOW FLAG NO. 1: Rain is falling on the track around Turn 2.

Lap 6 -- Dale Earnhardt Jr. is losing positions while he drives the high lane, falling from his 27th starting spot back to 31st.

Lap 3 -- LEAD CHANGE: Kyle Busch drives around Ryan Newman as they approach the start/finish line to take the lead.

Lap 1 -- Ryan Newman pulls ahead and takes the lead, followed by Kyle Busch.

12:12 p.m. -- GREEN FLAG: Ryan Newman gets the Coca-Cola 600 under way from Lowe's Motor Speedway.

12:10 p.m. -- Pole-sitter Ryan Newman chooses to start the race from the outside lane, so he and Kyle Busch swap positions. The rest of the grid stays intact.

12:06 p.m. -- Cars are rolling onto the racing surface.

12:02 p.m. -- Grand marshal Bobby Allison delivers the command: "Gentlemen, start your engines!"

12:01 p.m. -- There will be a competition caution at Lap 40 due to the rain that has cleared rubber off the race track.

12:00 p.m. -- FOX's coverage of the Coca-Cola 600 is under way.

11:06 a.m. ET -- An hour before the green flag and it's 72 degrees and cloudy in Concord, N.C.

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SUNDAY, MAY 24

8:30 p.m. -- The Coca-Cola 600 has been postponed due to rain. Green flag is now set for noon ET on Monday. FOX will televise the event.

8 p.m. -- Track-drying continues at Lowe's Motor Speedway.

6:58 p.m. -- FOX has left its live broadcast and will provide updates on weather every 15 minutes.

6:53 p.m. -- Track-drying efforts are under way at Lowe's Motor Speedway.

6:31 p.m. -- Rain has slowed, but the track is soaked.

6:07 p.m. -- Drivers are heading for cover and cars are being covered as well. Rain has returned to Lowe's Motor Speedway.

6 p.m. -- Cars are being pushed to the starting grid as the start of the Coca-Cola 600 will be delayed from earlier rain.

5:49 p.m. -- Air Force Tops in Blue sings the national anthem.

5:48 p.m. -- 82nd Airborne Division Bugler performs Taps.

5:47 p.m. -- A 21-gun salute is given.

5:46 p.m. -- Celtic Force Pipers play Amazing Grace on the bagpipes.

5:45 p.m. -- Rev. Franklin Graham delivers the invocation.

5 p.m. ET -- FOX's pre-race coverage of the Coca-Cola 600 is under way.

4:35 p.m. ET-- Congratulations to Helio Castroneves for his victory in the Indianapolis 500. John Andretti finished on the lead lap in 19th for Richard Petty Motorsports.

4:30 p.m. ET -- It's been raining for about the past hour at Lowe's Motor Speedway and the forecast calls for showers most of the night, but NASCAR hopes to get all 400 laps of the Coca-Cola 600 in. Green is scheduled for 6:03 p.m. ET.