NASCAR Xfinity Series at Las Vegas
Las Vegas Motor Speedway — March 6, 2021
A.J. Allmendinger
Winner
200
Laps
40
Entries
7
Leaders
A.J. Allmendinger won the 2021 NASCAR Xfinity Series at Las Vegas at Las Vegas Motor Speedway on March 6, 2021, leading 44 of 200 laps. Daniel Hemric finished second; Brandon Jones rounded out the podium. The race featured 7 different leaders.
Race Details
Date
Saturday, March 6, 2021
Track
Season
2021
Winner
Leaders
7 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 10 | +9 | A.J. Allmendinger |
| 2 | 3 | +1 | Daniel Hemric |
| 3 | 4 | +1 | Brandon Jones |
| 4 | 2 | -2 | Austin Cindric |
| 5 | 34 | +29 | Noah Gragson |
| 6 | 13 | +7 | Michael Annett |
| 7 | 9 | +2 | Josh Berry |
| 8 | 6 | -2 | Justin Haley |
| 9 | 22 | +13 | Harrison Burton |
| 10 | 5 | -5 | Jeb Burton |
| 11 | 25 | +14 | Brandon Brown |
| 12 | 40 | +28 | Tyler Reddick |
| 13 | 23 | +10 | Santino Ferrucci |
| 14 | 37 | +23 | Justin Allgaier |
| 15 | 21 | +6 | Tommy Joe Martins |
| 16 | 24 | +8 | Josh Williams |
| 17 | 8 | -9 | Jeremy Clements |
| 18 | 26 | +8 | Joe Graf Jr. |
| 19 | 30 | +11 | Jeffrey Earnhardt |
| 20 | 38 | +18 | Colby Howard |
| 21 | 14 | -7 | Landon Cassill |
| 22 | 39 | +17 | Bayley Currey |
| 23 | 35 | +12 | Ryan Vargas |
| 24 | 15 | -9 | Garrett Smithley |
| 25 | 16 | -9 | Dexter Bean |
| 26 | 32 | +6 | Jesse Little |
| 27 | 36 | +9 | Gray Gaulding |
| 28 | 29 | +1 | Chad Finchum |
| 29 | 28 | -1 | David Starr |
| 30 | 27 | -3 | Jade Buford |
| 31 | 20 | -11 | Ty Dillon |
| 32 | 1 | -31 | Myatt Snider |
| 33 | 19 | -14 | Kyle Weatherman |
| 34 | 7 | -27 | Brett Moffitt |
| 35 | 17 | -18 | Alex Labbe |
| 36 | 33 | -3 | Stefan Parsons |
| 37 | 18 | -19 | Timmy Hill |
| 38 | 11 | -27 | Ryan Sieg |
| 39 | 31 | -8 | Matt Mills |
| 40 | 12 | -28 | Riley Herbst |
Model Performance
How well did the NR-Rating model predict this race? Across 12 matched drivers, the model averaged 11.0 positions off — worse than the season average of 8.5. Below Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | A.J. Allmendinger | 18.3 | 1 | +17.3 |
| 4 | Austin Cindric | 15.4 | 4 | +11.4 |
| 5 | Noah Gragson | 21.4 | 5 | +16.4 |
| 7 | Josh Berry | 22.9 | 7 | +15.9 |
| 8 | Justin Haley | 19.9 | 8 | +11.9 |
| 12 | Tyler Reddick | 6.2 | 12 | -5.8 |
| 14 | Justin Allgaier | 18.3 | 14 | +4.3 |
| 28 | Chad Finchum | 26.4 | 28 | -1.6 |
| 29 | David Starr | 20.9 | 29 | -8.1 |
| 31 | Ty Dillon | 23.4 | 31 | -7.6 |
| 37 | Timmy Hill | 23.9 | 37 | -13.1 |
| 40 | Riley Herbst | 21.4 | 40 | -18.6 |
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
- A.J. Allmendinger: has 21 career starts at Las Vegas Motor Speedway with a 17.0 avg finish (2 wins) — the model may have underweighted this track history.
- Tyler Reddick: was the model’s top pick based on 22 career starts at Las Vegas Motor Speedway with a 12.8 avg finish (2 wins), finishing P12 on the day.
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Frequently Asked Questions
Who won the 2021 NASCAR Xfinity Series at Las Vegas?
A.J. Allmendinger 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 March 6, 2021.