Pennzoil 400
Las Vegas Motor Speedway, March 5, 2023
William Byron
Winner
271
Laps
36
Entries
8
Leaders
William Byron won the 2023 Pennzoil 400 at Las Vegas Motor Speedway on March 5, 2023, leading 176 of 271 laps. Kyle Larson finished second; Alex Bowman rounded out the podium. The race featured 8 different leaders.
Race Details
Date
Sunday, March 5, 2023
Track
Season
2023
Winner
Leaders
8 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 2 | +1 | William Byron |
| 2 | 6 | +4 | Kyle Larson |
| 3 | 11 | +8 | Alex Bowman |
| 4 | 13 | +9 | Bubba Wallace |
| 5 | 10 | +5 | Christopher Bell |
| 6 | 9 | +3 | Austin Cindric |
| 7 | 15 | +8 | Martin Truex, Jr. |
| 8 | 27 | +19 | Justin Haley |
| 9 | 14 | +5 | Kevin Harvick |
| 10 | 24 | +14 | Daniel Suarez |
| 11 | 12 | +1 | Denny Hamlin |
| 12 | 8 | -4 | Ross Chastain |
| 13 | 3 | -10 | Ryan Blaney |
| 14 | 5 | -9 | Kyle Busch |
| 15 | 34 | +19 | Tyler Reddick |
| 16 | 21 | +5 | Aric Almirola |
| 17 | 7 | -10 | Brad Keselowski |
| 18 | 23 | +5 | A.J. Allmendinger |
| 19 | 22 | +3 | Erik Jones |
| 20 | 19 | -1 | Corey LaJoie |
| 21 | 18 | -3 | Chris Buescher |
| 22 | 4 | -18 | Ty Gibbs |
| 23 | 31 | +8 | Ryan Preece |
| 24 | 16 | -8 | Ricky Stenhouse Jr. |
| 25 | 17 | -8 | Michael McDowell |
| 26 | 35 | +9 | Harrison Burton |
| 27 | 26 | -1 | Austin Dillon |
| 28 | 20 | -8 | Chase Briscoe |
| 29 | 32 | +3 | Josh Berry |
| 30 | 25 | -5 | Noah Gragson |
| 31 | 28 | -3 | Todd Gilliland |
| 32 | 36 | +4 | B.J. McLeod |
| 33 | 29 | -4 | J.J. Yeley |
| 34 | 33 | -1 | Ty Dillon |
| 35 | 30 | -5 | Cody Ware |
| 36 | 1 | -35 | Joey Logano |
Stage Results
| Driver | Stage 1 | Stage 2 | Stage 3 | Stage Pts |
|---|---|---|---|---|
| William Byron | 1 | 1 | — | 20 |
| Kyle Larson | 2 | 2 | — | 18 |
| Christopher Bell | 4 | 5 | — | 13 |
| Alex Bowman | 7 | 3 | — | 12 |
| Martin Truex, Jr. | 6 | 4 | — | 12 |
| Ross Chastain | 3 | 7 | — | 12 |
| Denny Hamlin | 5 | 8 | — | 9 |
| Bubba Wallace | 8 | 6 | — | 8 |
| Brad Keselowski | 10 | 9 | — | 3 |
| Kyle Busch | 9 | — | — | 2 |
| Kevin Harvick | — | 10 | — | 1 |
| Austin Cindric | — | — | — | — |
| Justin Haley | — | — | — | — |
| Daniel Suarez | — | — | — | — |
| Ryan Blaney | — | — | — | — |
| Tyler Reddick | — | — | — | — |
| Aric Almirola | — | — | — | — |
| A.J. Allmendinger | — | — | — | — |
| Erik Jones | — | — | — | — |
| Corey LaJoie | — | — | — | — |
| Chris Buescher | — | — | — | — |
| Ty Gibbs | — | — | — | — |
| Ryan Preece | — | — | — | — |
| Ricky Stenhouse Jr. | — | — | — | — |
| Michael McDowell | — | — | — | — |
| Harrison Burton | — | — | — | — |
| Austin Dillon | — | — | — | — |
| Chase Briscoe | — | — | — | — |
| Josh Berry | — | — | — | — |
| Noah Gragson | — | — | — | — |
| Todd Gilliland | — | — | — | — |
| B.J. McLeod | — | — | — | — |
| J.J. Yeley | — | — | — | — |
| Ty Dillon | — | — | — | — |
| Cody Ware | — | — | — | — |
| Joey Logano | — | — | — | — |
Model Performance
How well did the NR-Rating model predict this race? Across 32 matched drivers, the model averaged 8.5 positions off — close to the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | William Byron | 10.7 | 1 | +9.7 |
| 2 | Kyle Larson | 13.1 | 2 | +11.1 |
| 3 | Alex Bowman | 16.2 | 3 | +13.2 |
| 4 | Bubba Wallace | 12.7 | 4 | +8.7 |
| 5 | Christopher Bell | 9.2 | 5 | +4.2 |
| 6 | Austin Cindric | 15.4 | 6 | +9.4 |
| 7 | Martin Truex, Jr. | 15.4 | 7 | +8.4 |
| 8 | Justin Haley | 20.9 | 8 | +12.9 |
| 10 | Daniel Suarez | 12.7 | 10 | +2.7 |
| 11 | Denny Hamlin | 6.2 | 11 | -4.8 |
| 12 | Ross Chastain | 14.5 | 12 | +2.5 |
| 13 | Ryan Blaney | 8.2 | 13 | -4.8 |
| 15 | Tyler Reddick | 11.2 | 15 | -3.8 |
| 17 | Brad Keselowski | 15.4 | 17 | -1.6 |
| 18 | A.J. Allmendinger | 17.1 | 18 | -0.9 |
| 19 | Erik Jones | 14.7 | 19 | -4.3 |
| 20 | Corey LaJoie | 22.2 | 20 | +2.2 |
| 21 | Chris Buescher | 9.2 | 21 | -11.8 |
| 22 | Ty Gibbs | 10.7 | 22 | -11.3 |
| 23 | Ryan Preece | 13.3 | 23 | -9.7 |
(showing top 20 finishers)
Predicted finish from NR-Rating model. Delta = predicted − actual (positive = driver beat prediction). Confidence: High Confidence = low variance (stdDev ≤ 9), Moderate = medium variance, Coinflip = high variance.
Historical Context
- William Byron: has 19 career starts at Las Vegas Motor Speedway with a 13.8 avg finish (1 win) — the model may have underweighted this track history.
- Denny Hamlin: was the model’s top pick based on 35 career starts at Las Vegas Motor Speedway with a 12.1 avg finish (3 wins), finishing P11 on the day.
- Cody Ware: was the biggest surprise, finishing P35 vs predicted P57. Track history: 12 starts, 31.8 avg finish.
Explore More
Frequently Asked Questions
Who won the 2023 Pennzoil 400?
William Byron won the 2023 Pennzoil 400 at Las Vegas Motor Speedway driving for Hendrick Motorsports.
Where was the 2023 Pennzoil 400 held?
The 2023 Pennzoil 400 was held at Las Vegas Motor Speedway on March 5, 2023.