This week the Cup Series travels to the corn field of Iowa for the Iowa Corn 350.  Thirty-seven teams have brought cars to Iowa for the race around the 7/8ths mile track.  Cody Ware is making his Cup Series debut.

The NBC Networks takes over broadcasting for the remainder of the season.

The drivers have been divided into two groups for a 25 minute practice session.

Kyle Busch got loose on entry and hit the wall hard coming out of turn one.  He had reported the right rear wheel was chattering just before the crash.  He was running second on the leaderboard at the time of the crash.  He will have to start the race from the back of the field in a backup car.

Tyler Reddick sits at the top of the leaderboard after group 1 practice.

Denny Hamlin gets loose and scrapes the wall but he keeps moving.

Christopher Bell tops the leaderboard after group 2 practice with Bubba Wallace in second.

John Hunter Nemechek is making Cup Series start number 100 this weekend.

The first driver on the track to make a qualifying run is Cody Ware who posted a time of 23.690 seconds around the near one mile track.

With a time of 23.004, Chase Briscoe has set a new track record.

With a time of 23.093 seconds, Chase Briscoe earns his sixth pole of the season.  William Byron will start alongside Briscoe on the front row.

The starting lineup for the Iowa Corn 350:
Chase Briscoe
William Byron
Kyle Larson
Austin Cindric
Brad Keselowski
Ryan Blaney
Carson Hocevar
Chase Elliott
AJ Allmendinger
Justin Haley
Denny Hamlin
Josh Berry
Michael McDowell
Joey Logano
Bubba Wallace
Alex Bowman
Christopher Bell
Austin Dillon
Cole Custer
Ty Gibbs
Shane van Gisbergen
Tyler Reddick
Zane Smith
Riley Herbst
Erik Jones
Daniel Suarez
Chris Buescher
Ross Chastain
John Hunter Nemechek
Ricky Stenhouse Jr
Noah Gragson
Ty Dillon
Ryan Preece
Todd Gilliland
Cody Ware
Joey Gase
Kyle Busch

Stage one is 70 laps with stages two and three lasting 140 laps each for a total of 350 laps around the 7/8ths mile track.

Just four races remain in the regular season counting the race today in Iowa.

Chase Briscoe brings the field down for the green flag start of the race before a sell out crowd with William Byron alongside.  Briscoe takes the lead but William Byron comes up on the outside to take the lead.

Austin Cindric and Chase Briscoe battle for second.

Lap four, William Byron leads the race with Austin Cindric in second; Brad Keselowski, Chase Briscoe, and Kyle Larson round out the top five.

Lap seven, Kyle Busch has moved up to 34th place after starting in last place.

The drivers can run abut 110 laps on a load of fuel.

Lap nine, William Byron has a half second lead on Austin Cindric; Brad Keselowski, Chase Briscoe, and Kyle Larson round out the top five.

Goodyear has brought a new tire to Iowa after numerous tire issues last year.

Lap 14, William Byron holds a half second lead on Austin Cindric; with Brad Keselowski, Chase Briscoe, and Kyle Larson continuing to round out the top five.

Lap 19, Brad Keselowski is running the fastest laps on the track.

Lap 21, William Byron has pulled out to a lead of over half a second on Austin Cindric.

Lap 25, Brad Keselowski passes Austin Cindric for second.

Lap 30, William Byron has a lead of nearly a second on Brad Keselowski; Austin Cindric, Chase Briscoe, and Kyle Larson round out the top five.

Lap 36, Brad Keselowski has closed the gap on leader William Byron to just half a second.

Lap 37, Brad Keselowski has caught leader William Byron and begins to challenge for the lead among slower traffic.

Lap 39, the battle begins between William Byron and Brad Keselowski for the lead.

Lap 45, Austin Cindric joins the battle; half a second back.

Lap 55 and the battle continues with William Byron in the lead; Brad Keselowski and Austin Cindric on his bumper.  Byron passes Kyle Busch to put him a lap down.

William Byron reports a tight issue on the long run; adding that the “brakes aren’t great”.

Lap 63, William Byron and Brad Keselowski are side by side in a battle for the lead.

With three laps remaining in stage one, Brad Keselowski takes the lead.

Austin Cindric passes William Byron for second.

Brad Keselowski wins stage one for his first stage win of the season.

The top 10 at the end of stage one:
Brad Keselowski
Austin Cindric
William Byron
Ryan Blaney
Chase Briscoe
Kyle Larson
Carson Hocevar
Chase Elliott
AJ Allmendinger
Justin Haley

Kyle Busch is the “lucky dog”.

Drivers come down pit road for service with Chase Briscoe winning the race off of pit road.  William Byron and Ryan Blaney come out in second and third.

Ryan Preece and Alex Bowman were caught speeding on pit road and will have to restart the race from the back of the field.

Chase Briscoe brings the field down for the green flag start of stage two with William Byron alongside on lap 80.  Briscoe jumps out in front for the lead.  Ryan Blaney and Brad Keselowski pass William Byron.

Lap 83, the top five are Chase Briscoe, Ryan Blaney, Brad Keselowski, William Byron, and Austin Cindric.

Brad Keselowski had a pit stop of over eleven seconds.

Lap 86, Brad Keselowski and William Byron battle for third.

Kyle Larson passes Austin Cindric for fifth.

Lap 91, Chase Briscoe has a lead of over half a second on Ryan Blaney; William Byron, Brad Keselowski, and Kyle Larson round out the top five.

Brad Keselowski’s crew chief reported that the tires were beginning to cord.

There are 33 cars on the lead lap.

Ryan Blaney is the defending winner of the Iowa race and has 80 family and friends in the stands.

William Byron is reporting a tight issue and a “soft brake”.

Lap 107, Chase Briscoe has just a two tenths of a second lead on Ryan Blaney; Brad Keselowski, William Byron, and Kyle Larson round out the top five.

Tyler Reddick is reporting a bad brake shake.

After filling in yesterday in the Xfinity race, Austin Dillon and Carson Hocevar are running in the top 10.

Lap 117, Chase Briscoe holds on to the lead with Ryan Blaney in second; Brad Keselowski, William Byron, and Kyle Larson round out the top five.

Lap 127, pole sitter Chase Briscoe has a third of a second lead on Ryan Blaney; Brad Keselowski, William Byron, and Kyle Larson round out the top five.

Leaders have caught slower traffic.

Lap 131, Brad Keselowski passes Ryan Blaney for second.

Lap 136, Brad Keselowski has caught leader Chase Briscoe.

Lap 139, Kyle Larson passes William Byron for fourth.

Lap 140, Bubba Wallace and Ty Dillon are the first drivers to come down pit road for green flag pit stops.

Lap 146, William Byron makes his pit stop.

Lap 148, the top five are Chase Briscoe, Brad Keselowski, Ryan Blaney, Kyle Larson, and Carson Hocevar.

Lap 149, Chase Briscoe has led 75 laps so far.

Lap 155, more drivers make their green flag pit stops.

Leader Chase Briscoe makes his green flag pit stop and gives the lead to Brad Keselowski.

Lap 161, as green flag pit stops continue, the top five are Brad Keselowski, Ryan Blaney, Austin Cindric, Christopher Bell, and Denny Hamlin with just 18 cars on the lead lap.

The first caution flag for an incident on the track comes out on lap 169 when Shane van Gisbergen spins out and gets into the wall.

The top 14 drivers have yet to make their pit stops.

Drivers come down pit road for service with Ryan Blaney winning the race off of pit road and Brak Keselowski out second.

Ryan Blaney brings the field down for the green flag restart with Brad Keselowski alongside on lap 106.  William Byron is the “lucky dog” with eleven wave around cars.  Blaney jumps out in front but Brad Keselowski comes up on the inside to battle for the lead.

Cody Ware spins out to bring out the caution flag on lap 180.

Some of the drivers from the back of the field come down pit road for service and will stay out on the track at the end of the stage.

Ross Chastain is the ‘lucky dog”.

Ryan Blaney brings the field down for the green flag restart with Brad Keselowski alongside on lap 185.  Blaney and Keselowski go side by side in a battle for the lead.

Lap 188, Keselowski takes the lead.

There are 28 cars on the lead lap.

Kyle Busch passes Denny Hamlin for eighth on lap 193.

The top five are Brad Keselowski, Ryan Blaney, Austin Cindric, Josh Berry, and ty Gibbs.

Denny Hamlin reports that he is on edge and the car is chattering.

Lap 200, Brad Keselowski has pulled out to a lead of over two seconds on Ryan Blaney; Austin Cindric, Ty Gibbs, and Josh Berry round out the top five.

The caution flag comes out on lap 203 when Ty Dillon makes contact with Todd Gilliland and gets into the wall.

With five laps remaining in stage two, NASCAR is calling for a “quickie yellow”.

Several drivers come down pit road for service.

Brad Keselowski brings the field down for the green flag shootout to the end of stage two Ryan Blaney alongside.  Keselowski gets out in front for the lead and pulls away from the field.

Carson Hocevar spins out but the track stays green.  Brad Keselowski wins stage two for the stage sweep.

The top 10 at the end of stage two:
Brad Keselowski
Ryan Blaney
Austin Cindric
Ty Gibbs
Kyle Busch
Josh Berry
Alex Bowman
Erik Jones
Ryan Preece
Austin Dillon

Alex Bowman is the only driver to come down pit road.     

Carson Hocevar was charged with pitting while pit road was closed and will restart the race from the back of the field.

Brad Keselowski brings the field down for the green flag start of stage three with Ryan Blaney alongside on lap 219.  Keselowski holds on to the lead with Ryan Blaney in second.

Drivers are getting three wide across the track.

The caution flag comes out on ap 221 when Denny Hamlin spins out but he keeps it off the wall after some three and four wide racing.

Some of the drivers come down pit road for service including pole sitter Chase Briscoe.  While outside the fuel window, if there are enough caution laps the drivers may be able to make it to the end of the race.

Chris Buescher is charged with equipment interference on pit road and will have to restart the race from the longest line..

Shane van Gisbergen is the “lucky dog”.

Brad Keselowski brings the field down for the green flag restart with Ryan Blaney alongside on lap 227.  Keselowski takes the lead.

Drivers are three wide.

Zane Smith brings out the seventh caution flag when he spins out and backs it into the wall.

Leader Brad Keselowski and Kyle Busch are among the few drivers who come down pit road for service.

Ryan Blaney brings the field down for the green flag restart with Austin Cindric alongside on lap 235.  Drivers spread out three wide.  Ryan Blaney takes the lead with Austin Cindric in second.

The top five are Ryan Blaney, Austin Cindric, Ryan Preece, Josh Berry, and Ty Gibbs.

Lap 239, teammates Ryan Blaney and Austin Cindric battle for the lead.

There are 31 cars on the lead lap.

The caution flag comes out on lap 242  when Erik Jones spins out after a three wide battle.

Bubba Wallace comes down pit road for repairs after John Hunter Nemechek sent him into the wall.

A few more drivers come down pit road for service including leader Ryan Blaney.

Ty Dillon was charged with speeding on pit road.  Bubba Wallace and Erik Jones were charged with too many crew members over the wall.  They all will restart the race from the back of the longest line.

Austin Cindric brings the field down for the green flag restart with Josh Berry alongside on lap 249.  Cindric edges out for the lead.

While the drivers have enough fuel to make it to the end of the race, there is some question about tire wear.

The caution flag comes out on lap 252 for a multi car crash involving Christopher Bell, Tyler Reddick, and Chase Briscoe.  Bell and Reddick spin out after contact from Briscoe.

A handful of drivers come down pit road for service.

Noah Gragson is the “lucky dog”.

Tyler Reddick was charged with too many crew members over the wall.

Austin Cindric brings the field down for the green flag restart with Chase Elliott alongside on lap 260.  Cindric takes the lead but Elliott comes up on the inside to battle for the lead.

Shane van Gisbergen brings out the 10th caution flag on lap 263 when he spins out and slides down the track sideways.

Leader Austin Cindric comes down pit road for service.

Chase Elliott is the new leader.  Kyle Larson comes down pit road for fresh tires.

Chase Elliott brings the field down for the green flag restart with Josh Berry alongside on lap 268.  Elliott takes the lead with William Byron in second; Josh Berry, Alex Bowman, and Chase Briscoe round out the top five.

The caution flag comes out on lap 270 for Ty Dillon who got loose and made a run through the grass after some on track contact.

Chase Elliott brings the field down for the green flag restart from the inside lane on lap 276 with William Byron alongside.  Elliott gets out in front for the lead.

Lap 278, William Byron takes the lead.

Lap 280, the top five are William Byron, Chase Elliott, Alex Bowman, Josh Berry, and Chase Briscoe.

The caution flag comes out on lap 280 for debris on the track – a side window blew out from Todd Gilliand’s car.

Chase Elliott and Josh Berry come down for fuel and tires.

William Byron brings the field down for the green flag restart with teammate Alex Bowman alongside on lap 286.  Byron jumps out in front for the lead while Chase Briscoe and Alex Bowman battle for second.

Lap 288, the top five are William Byron, Chase Briscoe, Ryan Preece, Alex Bowan, and Brad Keselowski.

Sixty to go, William Byron has a half second lead on Chase Briscoe; Ryan Preece, Alex Bowman, and Brad Keselowski round out the top five.

With 54 laps remaining in the race, William Byron has a one second lead on Chase Briscoe; Ryan Preece, Alex Bowman, and Brad Keselowski round out the top five.

Lap 308, Brad Keselowski passes Alex Bowman for fourth with William Byron leading the race.

Just 38 laps remain in the race with William Byron a third of a second in front of Chase Briscoe; Ryan Preece, Brad Keselowski, and Alex Bowman round out the top five.

With 33 laps to go, Brad Keselowski passes Ryan Preece for third.

Brad Keselowski is slowing reeling in the leaders but is still two seconds back.

With 26 laps to go, William Byron has a half second lead on Chase Briscoe; Brad Keselowski is two seconds back in third place with slower traffic not far ahead.

Twenty to go!  William Byron is now one second in front of Chase Briscoe with Brad Keselowski just a second and a half behind.

With 15 laps to go, leaders have encountered slower traffic.  The top eight drivers are short on fuel.  Leader William Byron has seven percent fuel remaining.

Ten to go, William Byron holds on to the lead with Chase Briscoe in second place; Brad Keselowski, Ryan Blaney, and Ryan Preece round out the top five.

Five to go, Ryan Blaney in fourth is running the fastest laps of the race.

William Byron takes the white flag.

William Byron wins the race!!!

The unofficial results of the Iowa Corn 350:
William Byron
Chase Briscoe
Brad Keselowski
Ryan Blaney
Ryan Preece
Bubba Wallace
Alex Bowman
Carson Hocevar
Joey Logano
Austin Dillon
Ross Chastain
Austin Cindric
Josh Berry
Chase Elliott
John Hunter Nemechek
Erik Jones
Christopher Bell
AJ Allmendinger
Tyler Reddick
Kyle Busch
Ty Gibbs
Chris Buescher
Justin Haley
Denny Hamlin
Daniel Suarez
Cole Custer
Michael McDowell
Kyle Larson
Noah Gragson
Riley Herbst
Shane van Gisbergen
Cody Ware
Ricky Stenhouse jr
Todd Gilliland
Ty Dillon
Zane Smith
Joey Gase