NASCAR Xfinity Series at Phoenix

Phoenix Raceway — March 13, 2021

Austin Cindric
Winner
200
Laps
40
Entries
6
Leaders

Austin Cindric won the 2021 NASCAR Xfinity Series at Phoenix at Phoenix Raceway on March 13, 2021, leading 119 of 200 laps. Ty Gibbs finished second; Brandon Brown rounded out the podium. The race featured 6 different leaders.

Race Details
Date
Saturday, March 13, 2021
Season
2021
Leaders
6 drivers
Pos Start +/- Driver
1 3 +2 Austin Cindric
2 27 +25 Ty Gibbs
3 11 +8 Brandon Brown
4 30 +26 Riley Herbst
5 4 -1 A.J. Allmendinger
6 6 Jeb Burton
7 29 +22 Bayley Currey
8 12 +4 Justin Allgaier
9 20 +11 Brett Moffitt
10 13 +3 Jeremy Clements
11 19 +8 Myatt Snider
12 7 -5 Harrison Burton
13 33 +20 J.J. Yeley
14 39 +25 Timmy Hill
15 14 -1 Santino Ferrucci
16 24 +8 Colby Howard
17 15 -2 Tommy Joe Martins
18 35 +17 Stefan Parsons
19 21 +2 Jeffrey Earnhardt
20 32 +12 Jade Buford
21 17 -4 Josh Williams
22 18 -4 Landon Cassill
23 1 -22 Daniel Hemric
24 28 +4 Blaine Perkins
25 16 -9 Joe Graf Jr.
26 5 -21 Justin Haley
27 34 +7 Gray Gaulding
28 37 +9 David Starr
29 22 -7 Dexter Bean
30 25 -5 Ryan Vargas
31 40 +9 Loris Hezemans
32 36 +4 Alex Labbe
33 2 -31 Brandon Jones
34 26 -8 Kyle Weatherman
35 38 +3 Matt Mills
36 9 -27 Josh Berry
37 31 -6 Ryan Sieg
38 8 -30 Michael Annett
39 10 -29 Noah Gragson
40 23 -17 Jesse Little
Model Performance

How well did the NR-Rating model predict this race? Across 11 matched drivers, the model averaged 12.6 positions off — worse than the season average of 8.5. Below Average

Pos Driver Predicted Actual Delta
1 Austin Cindric 17.0 1 +16.0
2 Ty Gibbs 12.6 2 +10.6
4 Riley Herbst 22.1 4 +18.1
5 A.J. Allmendinger 18.3 5 +13.3
8 Justin Allgaier 17.7 8 +9.7
13 J.J. Yeley 28.1 13 +15.1
14 Timmy Hill 24.3 14 +10.3
26 Justin Haley 21.2 26 -4.8
28 David Starr 20.2 28 -7.8
36 Josh Berry 19.0 36 -17.0
39 Noah Gragson 23.0 39 -16.0

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

  • Austin Cindric: has 13 career starts at Phoenix Raceway with a 15.5 avg finish (1 win) — the model may have underweighted this track history.
  • Ty Gibbs: was the model’s top pick based on 9 career starts at Phoenix Raceway with a 12.3 avg finish (1 win), finishing P2 on the day.
  • Riley Herbst: was the biggest surprise, finishing P4 vs predicted P22. Track history: 12 starts, 14.9 avg finish.

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Frequently Asked Questions

Who won the 2021 NASCAR Xfinity Series at Phoenix?
Austin Cindric won the 2021 NASCAR Xfinity Series at Phoenix at Phoenix Raceway.
Where was the 2021 NASCAR Xfinity Series at Phoenix held?
The 2021 NASCAR Xfinity Series at Phoenix was held at Phoenix Raceway on March 13, 2021.