United Rentals Work United 500
Phoenix Raceway, March 12, 2023
William Byron
Winner
317
Laps
36
Entries
6
Leaders
William Byron won the 2023 United Rentals Work United 500 at Phoenix Raceway on March 12, 2023, leading 64 of 317 laps. Ryan Blaney finished second; Tyler Reddick rounded out the podium. The race featured 6 different leaders.
Race Details
Date
Sunday, March 12, 2023
Track
Season
2023
Winner
Leaders
6 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 3 | +2 | William Byron |
| 2 | 8 | +6 | Ryan Blaney |
| 3 | 12 | +9 | Tyler Reddick |
| 4 | 1 | -3 | Kyle Larson |
| 5 | 15 | +10 | Kevin Harvick |
| 6 | 5 | -1 | Christopher Bell |
| 7 | 24 | +17 | Chase Briscoe |
| 8 | 9 | +1 | Kyle Busch |
| 9 | 18 | +9 | Alex Bowman |
| 10 | 17 | +7 | Josh Berry |
| 11 | 16 | +5 | Joey Logano |
| 12 | 25 | +13 | Ryan Preece |
| 13 | 7 | -6 | Michael McDowell |
| 14 | 19 | +5 | Bubba Wallace |
| 15 | 21 | +6 | Chris Buescher |
| 16 | 30 | +14 | Austin Dillon |
| 17 | 13 | -4 | Martin Truex, Jr. |
| 18 | 4 | -14 | Brad Keselowski |
| 19 | 23 | +4 | Ricky Stenhouse Jr. |
| 20 | 22 | +2 | A.J. Allmendinger |
| 21 | 10 | -11 | Erik Jones |
| 22 | 11 | -11 | Daniel Suarez |
| 23 | 2 | -21 | Denny Hamlin |
| 24 | 6 | -18 | Ross Chastain |
| 25 | 20 | -5 | Austin Cindric |
| 26 | 28 | +2 | Corey LaJoie |
| 27 | 26 | -1 | Justin Haley |
| 28 | 14 | -14 | Ty Gibbs |
| 29 | 32 | +3 | Noah Gragson |
| 30 | 35 | +5 | Ty Dillon |
| 31 | 34 | +3 | Zane Smith |
| 32 | 29 | -3 | Todd Gilliland |
| 33 | 31 | -2 | Aric Almirola |
| 34 | 36 | +2 | Cody Ware |
| 35 | 27 | -8 | Harrison Burton |
| 36 | 33 | -3 | B.J. McLeod |
Stage Results
| Driver | Stage 1 | Stage 2 | Stage 3 | Stage Pts |
|---|---|---|---|---|
| William Byron | 1 | 2 | — | 19 |
| Kyle Larson | 2 | 1 | — | 19 |
| Tyler Reddick | 5 | 5 | — | 12 |
| Christopher Bell | 3 | 7 | — | 12 |
| Denny Hamlin | 4 | 6 | — | 12 |
| Kevin Harvick | 8 | 3 | — | 11 |
| Brad Keselowski | 9 | 4 | — | 9 |
| Ryan Blaney | 6 | 8 | — | 8 |
| Ross Chastain | 7 | 9 | — | 6 |
| Chase Briscoe | — | 10 | — | 1 |
| Kyle Busch | 10 | — | — | 1 |
| Alex Bowman | — | — | — | — |
| Josh Berry | — | — | — | — |
| Joey Logano | — | — | — | — |
| Ryan Preece | — | — | — | — |
| Michael McDowell | — | — | — | — |
| Bubba Wallace | — | — | — | — |
| Chris Buescher | — | — | — | — |
| Austin Dillon | — | — | — | — |
| Martin Truex, Jr. | — | — | — | — |
| Ricky Stenhouse Jr. | — | — | — | — |
| A.J. Allmendinger | — | — | — | — |
| Erik Jones | — | — | — | — |
| Daniel Suarez | — | — | — | — |
| Austin Cindric | — | — | — | — |
| Corey LaJoie | — | — | — | — |
| Justin Haley | — | — | — | — |
| Ty Gibbs | — | — | — | — |
| Noah Gragson | — | — | — | — |
| Ty Dillon | — | — | — | — |
| Zane Smith | — | — | — | — |
| Todd Gilliland | — | — | — | — |
| Aric Almirola | — | — | — | — |
| Cody Ware | — | — | — | — |
| Harrison Burton | — | — | — | — |
| B.J. McLeod | — | — | — | — |
Model Performance
How well did the NR-Rating model predict this race? Across 32 matched drivers, the model averaged 6.2 positions off — better than the season average of 8.5. Good
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | William Byron | 10.8 | 1 | +9.8 |
| 2 | Ryan Blaney | 6.8 | 2 | +4.8 |
| 3 | Tyler Reddick | 12.0 | 3 | +9.0 |
| 4 | Kyle Larson | 10.3 | 4 | +6.3 |
| 6 | Christopher Bell | 8.3 | 6 | +2.3 |
| 7 | Chase Briscoe | 8.6 | 7 | +1.6 |
| 9 | Alex Bowman | 15.6 | 9 | +6.6 |
| 10 | Josh Berry | 19.0 | 10 | +9.0 |
| 11 | Joey Logano | 10.3 | 11 | -0.7 |
| 12 | Ryan Preece | 12.6 | 12 | +0.6 |
| 13 | Michael McDowell | 15.6 | 13 | +2.6 |
| 14 | Bubba Wallace | 12.6 | 14 | -1.4 |
| 15 | Chris Buescher | 12.0 | 15 | -3.0 |
| 16 | Austin Dillon | 17.7 | 16 | +1.7 |
| 17 | Martin Truex, Jr. | 14.0 | 17 | -3.0 |
| 18 | Brad Keselowski | 13.8 | 18 | -4.2 |
| 19 | Ricky Stenhouse Jr. | 20.4 | 19 | +1.4 |
| 20 | A.J. Allmendinger | 20.1 | 20 | +0.1 |
| 21 | Erik Jones | 17.7 | 21 | -3.3 |
| 22 | Daniel Suarez | 14.0 | 22 | -8.0 |
(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 21 career starts at Phoenix Raceway with a 14.1 avg finish (1 win) — the model may have underweighted this track history.
- Ryan Blaney: was the model’s top pick based on 22 career starts at Phoenix Raceway with a 9.8 avg finish (2 wins), finishing P2 on the day.
Explore More
Frequently Asked Questions
Who won the 2023 United Rentals Work United 500?
William Byron won the 2023 United Rentals Work United 500 at Phoenix Raceway driving for Hendrick Motorsports.
Where was the 2023 United Rentals Work United 500 held?
The 2023 United Rentals Work United 500 was held at Phoenix Raceway on March 12, 2023.