Ross Chastain Penalty Shakes Up NASCAR Playoffs at Las Vegas! (2025)

Heartbreak in Vegas! Ross Chastain, already reeling from a playoff elimination, faces another setback. But how does this penalty REALLY impact the race, and is it entirely fair to the other drivers? Let's dive in.

Ross Chastain of Trackhouse Racing had a rough go of it during qualifying at Las Vegas Motor Speedway. He initially secured the 15th starting position for the South Point 400, a crucial playoff race. However, that hard-earned spot is now gone. After making contact with the wall during a practice or qualifying run on Saturday, Chastain's No. 1 Chevrolet team was forced to make significant repairs. These repairs trigger a penalty under NASCAR rules, sending him to the rear of the field for the start of the 267-lap race on the 1.5-mile (2.414-kilometer) oval.

But here's where it gets controversial... The penalty doesn't just affect Chastain. The way NASCAR's starting grid rules work, it creates a ripple effect. All drivers who were originally slated to start behind Chastain on the inside lane will move up one row. This means not everyone behind him just moves up one spot. For example, the driver who was in position 16 is now in position 15. This is because the inside lane shifts forward to fill the gap left by Chastain. This rule gives those specific drivers an unexpected advantage.

And this is the part most people miss... This type of penalty is fairly routine in NASCAR. Teams often face the difficult decision of weighing the risk of making repairs that trigger a starting penalty against the potential performance gains from those repairs. It's a strategic gamble, and sometimes it doesn't pay off. Also, Chastain was eliminated from the NASCAR Cup Series playoffs the previous Sunday at the Charlotte Motor Speedway Roval. The Trackhouse Racing driver needed a strong finish to advance, but he ultimately fell short, with reigning series champion Joey Logano snatching the final transfer spot. So, this penalty adds insult to injury for Chastain and his team.

Here's a look at the updated starting lineup for Sunday's South Point 400 at Las Vegas Motor Speedway, reflecting Chastain's penalty. Keep in mind that further grid adjustments are still possible, though none have been announced as of now:

NASCAR Cup Series Starting Lineup at Las Vegas:

  • 1st - Denny Hamlin, No. 11 Joe Gibbs Racing Toyota
  • 2nd - Chase Briscoe, No. 19 Joe Gibbs Racing Toyota
  • 3rd - Christopher Bell, No. 20 Joe Gibbs Racing Toyota
  • 4th - Chase Elliott, No. 9 Hendrick Motorsports Chevrolet
  • 5th - William Byron, No. 24 Hendrick Motorsports Chevrolet
  • 6th - Kyle Larson, No. 5 Hendrick Motorsports Chevrolet
  • 7th - Bubba Wallace, No. 23 23XI Racing Toyota
  • 8th - Tyler Reddick, No. 45 23XI Racing Toyota
  • 9th - Joey Logano, No. 22 Team Penske Ford
  • 10th - Ty Gibbs, No. 54 Joe Gibbs Racing Toyota
  • 11th - Chris Buescher, No. 17 RFK Racing Ford
  • 12th - Alex Bowman, No. 48 Hendrick Motorsports Chevrolet
  • 13th - Shane van Gisbergen, No. 88 Trackhouse Racing Chevrolet
  • 14th - Ryan Blaney, No. 12 Team Penske Ford
  • 15th - Daniel Suarez, No. 99 Trackhouse Racing Chevrolet
  • 16th - Ryan Preece, No. 60 RFK Racing Ford
  • 17th - Erik Jones, No. 43 Legacy Motor Club Toyota
  • 18th - Michael McDowell, No. 71 Spire Motorsports Chevrolet
  • 19th - Cole Custer, No. 41 Haas Factory Team Ford
  • 20th - A.J. Allmendinger, No. 16 Kaulig Racing Chevrolet
  • 21st - Zane Smith, No. 38 Front Row Motorsports Ford
  • 22nd - Carson Hocevar, No. 77 Spire Motorsports Chevrolet
  • 23rd - Austin Dillon, No. 3 Richard Childress Racing Chevrolet
  • 24th - Ricky Stenhouse Jr., No. 47 Hyak Motorsports Chevrolet
  • 25th - Justin Haley, No. 7 Spire Motorsports Chevrolet
  • 26th - John Hunter Nemechek, No. 42 Legacy Motor Club Toyota
  • 27th - Josh Berry, No. 21 Wood Brothers Racing Ford
  • 28th - Noah Gragson, No. 4 Front Row Motorsports Ford
  • 29th - Austin Cindric, No. 2 Team Penske Ford
  • 30th - Todd Gilliland, No. 34 Front Row Motorsports Ford
  • 31st - Riley Herbst, No. 35 23XI Racing Toyota
  • 32nd - Kyle Busch, No. 8 Richard Childress Racing Chevrolet
  • 33rd - Ty Dillon, No. 10 Kaulig Racing Chevrolet
  • 34th - Brad Keselowski, No. 6 RFK Racing Ford
  • 35th - J.J. Yeley, No. 44 NY Racing Team Chevrolet
  • 36th - Cody Ware, No. 51 Rick Ware Racing Ford
  • 37th - Ross Chastain, No. 1 Trackhouse Racing Chevrolet
  • 38th - Katherine Legge, No. 78 Live Fast Motorsports Chevrolet

Make sure to tune into USA Network today at 5:30 p.m. ET for live coverage of the round of 8 opener from Las Vegas Motor Speedway.

What do you think about this penalty? Is it a fair consequence, or does it disproportionately affect Chastain and the other drivers? Should NASCAR reconsider how these grid penalties are applied? Let us know your thoughts in the comments below!

Ross Chastain Penalty Shakes Up NASCAR Playoffs at Las Vegas! (2025)
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