United Rentals Work United 500

Phoenix Raceway — March 12, 2023

William Byron
Winner
317
Laps
38
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
Season
2023
Winner
Leaders
6 drivers
Pos Start +/- Driver
1 1 William Byron
2 10 +8 Ryan Blaney
3 5 +2 Tyler Reddick
4 2 -2 Kyle Larson
5 13 +8 Kevin Harvick
6 12 +6 Christopher Bell
7 31 +24 Chase Briscoe
8 16 +8 Kyle Busch
9 Alex Bowman
10 29 +19 Josh Berry
11 6 -5 Joey Logano
12 28 +16 Ryan Preece
13 23 +10 Michael McDowell
14 17 +3 Bubba Wallace
15 14 -1 Chris Buescher
16 11 -5 Austin Dillon
17 4 -13 Martin Truex, Jr.
18 20 +2 Brad Keselowski
19 33 +14 Ricky Stenhouse Jr.
20 27 +7 A.J. Allmendinger
21 19 -2 Erik Jones
22 Aric Almirola
23 Ross Chastain
24 3 -21 Ross Chastain
25 Corey LaJoie
26 Austin Cindric
27 Martin Truex, Jr.
28 Bubba Wallace
29 A.J. Allmendinger
30 Joey Logano
31 Ty Gibbs
32 Noah Gragson
33 Kyle Larson
34 Ryan Preece
35 Michael McDowell
36 Harrison Burton
37 Zane Smith
38 Austin Dillon
Stage Results
Driver Stage 1 Stage 2 Stage 3 Stage Pts
Joey Logano 16 1 10
Michael McDowell 26 2 9
Martin Truex, Jr. 2 14 9
Tyler Reddick 4 18 7
Erik Jones 21 4 7
A.J. Allmendinger 22 5 6
Christopher Bell 6 34 5
Chris Buescher 18 6 5
Bubba Wallace 7 11 4
Austin Dillon 19 7 4
Ryan Blaney 8 15 3
Kyle Larson 10 9 3
Ross Chastain 9 17 2
Alex Bowman
Aric Almirola
Ross Chastain
Corey LaJoie
Austin Cindric
Martin Truex, Jr.
Bubba Wallace
A.J. Allmendinger
Joey Logano
Ty Gibbs
Noah Gragson
Kyle Larson
Ryan Preece
Michael McDowell
Harrison Burton
Zane Smith
Austin Dillon
Model Performance

How well did the NR-Rating model predict this race? Across 26 matched drivers, the model averaged 5.5 positions off — better than the season average of 8.5. Good

Pos Driver Predicted Actual Delta
1 William Byron 10.3 1 +9.3
2 Ryan Blaney 6.8 2 +4.8
3 Tyler Reddick 9.9 3 +6.9
4 Kyle Larson 8.6 4 +4.6
6 Christopher Bell 8.6 6 +2.6
7 Chase Briscoe 12.6 7 +5.6
8 Kyle Busch 15.6 8 +7.6
9 Alex Bowman 14.0 9 +5.0
10 Josh Berry 19.0 10 +9.0
11 Joey Logano 12.1 11 +1.1
12 Ryan Preece 10.8 12 -1.2
13 Michael McDowell 15.0 13 +2.0
14 Bubba Wallace 14.0 14 0.0
15 Chris Buescher 10.3 15 -4.7
16 Austin Dillon 17.0 16 +1.0
17 Martin Truex, Jr. 13.8 17 -3.2
18 Brad Keselowski 12.0 18 -6.0
19 Ricky Stenhouse Jr. 20.1 19 +1.1
20 A.J. Allmendinger 18.3 20 -1.7
21 Erik Jones 17.7 21 -3.3

(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 14.3 avg finish (1 win) — the model may have underweighted this track history.
  • Ryan Blaney: was the model’s top pick based on 20 career starts at Phoenix Raceway with a 7.8 avg finish (2 wins), finishing P2 on the day.

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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.