| Pos | No. | Driver | Team | Lap time | Diff | Speed | Best Lap | Laps |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | Ross Chastain | Trackhouse Racing Worldwide Express Chevrolet | 28.899 | -- | 186.857 | 3 | 16 |
| 2 | 17 | Chris Buescher | RFK Racing Travel Centers of America Ford | 28.933 | 0.034 | 186.638 | 2 | 16 |
| 3 | 45 | Tyler Reddick | 23XI Racing Jordan Brand Toyota | 29.039 | 0.14 | 185.956 | 4 | 20 |
| 4 | 9 | Chase Elliott | Hendrick Motorsports Llumar Chevrolet | 29.117 | 0.218 | 185.458 | 2 | 15 |
| 5 | 24 | William Byron | Hendrick Motorsports Relay Payments Chevrolet | 29.126 | 0.227 | 185.401 | 3 | 15 |
| 6 | 42 | Carson Hocevar | LEGACY MOTOR CLUB Sunseeker Resorts Chevrolet | 29.146 | 0.247 | 185.274 | 2 | 16 |
| 7 | 19 | Martin Truex Jr. | Joe Gibbs Racing Bass Pro Shops Toyota | 29.159 | 0.26 | 185.191 | 2 | 23 |
| 8 | 5 | Kyle Larson | Hendrick Motorsports Valvoline / HendrickCars.com Chevrolet | 29.164 | 0.265 | 185.159 | 3 | 14 |
| 9 | 54 | Ty Gibbs | Joe Gibbs Racing Monster Energy Toyota | 29.215 | 0.316 | 184.836 | 4 | 25 |
| 10 | 23 | Bubba Wallace | 23XI Racing DoorDash x Roku Toyota | 29.221 | 0.322 | 184.798 | 2 | 16 |
| 11 | 48 | Alex Bowman | Hendrick Motorsports Ally Chevrolet | 29.233 | 0.334 | 184.722 | 3 | 13 |
| 12 | 12 | Ryan Blaney | Team Penske Menards / Tarkett Ford | 29.266 | 0.367 | 184.514 | 4 | 26 |
| 13 | 22 | Joey Logano | Team Penske Pennzoil Ford | 29.288 | 0.389 | 184.375 | 3 | 20 |
| 14 | 47 | Ricky Stenhouse Jr. | JTG Daugherty Racing Smith's / Drumstick Chevrolet | 29.33 | 0.431 | 184.111 | 2 | 22 |
| 15 | 34 | Michael McDowell | Front Row Motorsports Ford | 29.331 | 0.432 | 184.105 | 3 | 17 |
| 16 | 8 | Kyle Busch | Richard Childress Racing Morgan & Morgan Chevrolet | 29.355 | 0.456 | 183.955 | 3 | 21 |
| 17 | 20 | Christopher Bell | Joe Gibbs Racing Rheem / Smurfit Kappa Toyota | 29.357 | 0.458 | 183.942 | 3 | 22 |
| 18 | 2 | Austin Cindric | Team Penske Autotrader Ford | 29.407 | 0.508 | 183.629 | 5 | 17 |
| 19 | 6 | Brad Keselowski | RFK Racing BuildSubmarines.com Ford | 29.408 | 0.509 | 183.623 | 3 | 13 |
| 20 | 16 | AJ Allmendinger | Kaulig Racing Nutrien Ag Solutions Chevrolet | 29.418 | 0.519 | 183.561 | 4 | 17 |
| 21 | 10 | Aric Almirola | Stewart-Haas Racing IHOP Ford | 29.445 | 0.546 | 183.392 | 3 | 18 |
| 22 | 43 | Erik Jones | LEGACY MOTOR CLUB Allegiant Chevrolet | 29.521 | 0.622 | 182.92 | 10 | 15 |
| 23 | 41 | Ryan Preece | Stewart-Haas Racing HaasTooling.com Ford | 29.524 | 0.625 | 182.902 | 3 | 22 |
| 24 | 31 | Justin Haley | Kaulig Racing LeafFilter Gutter Protection Chevrolet | 29.545 | 0.646 | 182.772 | 4 | 23 |
| 25 | 14 | Chase Briscoe | Stewart-Haas Racing Code 3 Associates Ford | 29.56 | 0.661 | 182.679 | 2 | 17 |
| 26 | 99 | Daniel Suarez | Trackhouse Racing Tootsie's Orchid Lounge Chevrolet | 29.566 | 0.667 | 182.642 | 3 | 31 |
| 27 | 3 | Austin Dillon | Richard Childress Racing BetMGM Chevrolet | 29.576 | 0.677 | 182.58 | 5 | 19 |
| 28 | 4 | Kevin Harvick | Stewart-Haas Racing Mobil 1 Ford | 29.578 | 0.679 | 182.568 | 4 | 20 |
| 29 | 7 | Corey LaJoie | Spire Motorsports NEGU Chevrolet | 29.582 | 0.683 | 182.543 | 4 | 13 |
| 30 | 11 | Denny Hamlin | Joe Gibbs Racing Mavis Tires & Brakes Toyota | 29.672 | 0.773 | 181.989 | 5 | 23 |
| 31 | 77 | Ty Dillon | Spire Motorsports Gainbridge Chevrolet | 29.672 | 0.773 | 181.989 | 5 | 15 |
| 32 | 51 | JJ Yeley | Rick Ware Racing ConectUS Ford | 29.727 | 0.828 | 181.653 | 4 | 19 |
| 33 | 38 | Todd Gilliland | Front Row Motorsports Frontline Enterprises Inc. Ford | 29.796 | 0.897 | 181.232 | 7 | 19 |
| 34 | 21 | Harrison Burton | Wood Brothers Racing DEX Imaging Ford | 29.891 | 0.992 | 180.656 | 8 | 19 |
| 35 | 15 | Brennan Poole | Rick Ware Racing MACC Door Systems Ford | 29.925 | 1.026 | 180.451 | 5 | 17 |
| 36 | 78 | BJ McLeod | Live Fast Motorsports BretBaier.com Chevrolet | 30.142 | 1.243 | 179.152 | 10 | 11 |
Here are the complete practice results for the 2023 NASCAR Cup Series South Point 400 at Las Vegas Motor Speedway.
2023 NASCAR Cup Series South Point 400 Practice Speeds
Session Info
2023 NASCAR Cup Series
Race 33 of 36
Practice Session
Saturday, October 14, 2023
Las Vegas Motor Speedway
1.50-mile oval
Las Vegas, NV
Other Sessions For This Race
10-Lap Consecutive Averages
| Rank | No. | Driver | 10 Lap Avg Lap time |
|---|---|---|---|
| 1 | 5 | Kyle Larson | 29.352 |
| 2 | 24 | William Byron | 29.420 |
| 3 | 45 | Tyler Reddick | 29.448 |
| 4 | 17 | Chris Buescher | 29.465 |
| 5 | 9 | Chase Elliott | 29.512 |
| 6 | 20 | Christopher Bell | 29.547 |
| 7 | 54 | Ty Gibbs | 29.561 |
| 8 | 12 | Ryan Blaney | 29.575 |
| 9 | 8 | Kyle Busch | 29.576 |
| 10 | 19 | Martin Truex Jr. | 29.584 |
| 11 | 22 | Joey Logano | 29.628 |
| 12 | 3 | Austin Dillon | 29.701 |
| 13 | 34 | Michael McDowell | 29.747 |
| 14 | 99 | Daniel Suarez | 29.763 |
| 15 | 10 | Aric Almirola | 29.788 |
| 16 | 41 | Ryan Preece | 29.794 |
| 17 | 4 | Kevin Harvick | 29.828 |
| 18 | 11 | Denny Hamlin | 29.860 |
| 19 | 47 | Ricky Stenhouse Jr. | 29.975 |
| 20 | 21 | Harrison Burton | 30.074 |
| 21 | 38 | Todd Gilliland | 30.146 |
| 22 | 51 | JJ Yeley | 30.203 |
| 23 | 31 | Justin Haley | 30.244 |
| 24 | 15 | Brennan Poole | 30.418 |
