NASCAR Xfinity Series at Las Vegas

Las Vegas Motor Speedway — September 25, 2021

Josh Berry
Winner
201
Laps
40
Entries
7
Leaders

Josh Berry won the 2021 NASCAR Xfinity Series at Las Vegas at Las Vegas Motor Speedway on September 25, 2021, leading 38 of 201 laps. Justin Allgaier finished second; Noah Gragson rounded out the podium. The race featured 7 different leaders.

Race Details
Date
Saturday, September 25, 2021
Season
2021
Winner
Leaders
7 drivers
Pos Start +/- Driver
1 15 +14 Josh Berry
2 3 +1 Justin Allgaier
3 9 +6 Noah Gragson
4 1 -3 Austin Cindric
5 7 +2 Daniel Hemric
6 8 +2 Brandon Jones
7 2 -5 A.J. Allmendinger
8 28 +20 Ty Dillon
9 4 -5 Justin Haley
10 5 -5 Harrison Burton
11 6 -5 Ty Gibbs
12 27 +15 Brett Moffitt
13 36 +23 Bayley Currey
14 19 +5 Tommy Joe Martins
15 12 -3 Myatt Snider
16 37 +21 Landon Cassill
17 20 +3 Ryan Sieg
18 26 +8 Kyle Weatherman
19 31 +12 Ryan Vargas
20 24 +4 Blaine Perkins
21 38 +17 David Starr
22 16 -6 Brandon Brown
23 30 +7 Mason Massey
24 18 -6 Josh Williams
25 32 +7 Spencer Boyd
26 23 -3 Jade Buford
27 34 +7 Matt Jaskol
28 29 +1 Matt Mills
29 22 -7 Jeffrey Earnhardt
30 39 +9 B.J. McLeod
31 35 +4 Carson Ware
32 40 +8 C.J. McLaughlin
33 10 -23 Riley Herbst
34 11 -23 Sam Mayer
35 25 -10 Dylan Lupton
36 14 -22 Jeb Burton
37 33 -4 J.J. Yeley
38 17 -21 Alex Labbe
39 13 -26 Jeremy Clements
40 21 -19 Joe Graf Jr.
Model Performance

How well did the NR-Rating model predict this race? Across 12 matched drivers, the model averaged 11.2 positions off — worse than the season average of 8.5. Below Average

Pos Driver Predicted Actual Delta
1 Josh Berry 22.9 1 +21.9
2 Justin Allgaier 18.3 2 +16.3
3 Noah Gragson 21.4 3 +18.4
4 Austin Cindric 15.4 4 +11.4
7 A.J. Allmendinger 18.3 7 +11.3
8 Ty Dillon 23.4 8 +15.4
9 Justin Haley 19.9 9 +10.9
11 Ty Gibbs 14.5 11 +3.5
21 David Starr 20.9 21 -0.1
30 B.J. McLeod 24.8 30 -5.2
33 Riley Herbst 21.4 33 -11.6
37 J.J. Yeley 28.8 37 -8.2

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

  • Josh Berry: has 11 career starts at Las Vegas Motor Speedway with a 12.5 avg finish (3 wins) — the model may have underweighted this track history.
  • Ty Gibbs: was the model’s top pick based on 8 career starts at Las Vegas Motor Speedway with a 12.3 avg finish (1 win), finishing P11 on the day.

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Frequently Asked Questions

Who won the 2021 NASCAR Xfinity Series at Las Vegas?
Josh Berry won the 2021 NASCAR Xfinity Series at Las Vegas at Las Vegas Motor Speedway.
Where was the 2021 NASCAR Xfinity Series at Las Vegas held?
The 2021 NASCAR Xfinity Series at Las Vegas was held at Las Vegas Motor Speedway on September 25, 2021.