Pennzoil 400 presented by Jiffy Lube

Las Vegas Motor Speedway — March 7, 2021

Kyle Larson
Winner
267
Laps
23
Entries
12
Leaders

Kyle Larson won the 2021 Pennzoil 400 presented by Jiffy Lube at Las Vegas Motor Speedway on March 7, 2021, leading 103 of 267 laps. Brad Keselowski finished second; Kyle Busch rounded out the podium. The race featured 12 different leaders.

Race Details
Date
Sunday, March 7, 2021
Season
2021
Winner
Leaders
12 drivers
Pos Start +/- Driver
1 14 +13 Kyle Larson
2 1 -1 Brad Keselowski
3 3 Kyle Busch
4 7 +3 Denny Hamlin
5 16 +11 Ryan Blaney
6 4 -2 Martin Truex, Jr.
7 21 +14 Christopher Bell
8 5 -3 William Byron
9 12 +3 Joey Logano
10 26 +16 Erik Jones
11 28 +17 Ricky Stenhouse Jr.
12 9 -3 Austin Dillon
13 6 -7 Chase Elliott
14 11 -3 Chris Buescher
15 29 +14 Ryan Preece
16 8 -8 Matt DiBenedetto
17 13 -4 Michael McDowell
18 20 +2 Ryan Newman
19 17 -2 Kurt Busch
20 2 -18 Kevin Harvick
22 10 -12 Tyler Reddick
24 25 +1 Anthony Alfredo
26 15 -11 Daniel Suarez
Stage Results
Driver Stage 1 Stage 2 Stage 3 Stage Pts
Martin Truex, Jr. 1 1 20
Denny Hamlin 2 4 16
Kyle Larson 4 5 13
Tyler Reddick 3 8 11
William Byron 9 3 10
Kyle Busch 16 2 9
Joey Logano 6 7 9
Ryan Blaney 7 9 6
Kevin Harvick 5 12 6
Christopher Bell 11 6 5
Chase Elliott 8 11 3
Chris Buescher 14 10 1
Model Performance

How well did the NR-Rating model predict this race? Across 19 matched drivers, the model averaged 6.9 positions off — better than the season average of 8.5. Good

Pos Driver Predicted Actual Delta
1 Kyle Larson 12.7 1 +11.7
2 Brad Keselowski 11.2 2 +9.2
3 Kyle Busch 17.0 3 +14.0
4 Denny Hamlin 8.2 4 +4.2
5 Ryan Blaney 9.2 5 +4.2
6 Martin Truex, Jr. 15.4 6 +9.4
7 Christopher Bell 10.7 7 +3.7
8 William Byron 10.7 8 +2.7
9 Joey Logano 14.7 9 +5.7
10 Erik Jones 16.7 10 +6.7
11 Ricky Stenhouse Jr. 19.9 11 +8.9
12 Austin Dillon 17.1 12 +5.1
13 Chase Elliott 7.8 13 -5.2
14 Chris Buescher 9.2 14 -4.8
15 Ryan Preece 10.1 15 -4.9
17 Michael McDowell 17.0 17 0.0
22 Tyler Reddick 6.2 22 -15.8
24 Anthony Alfredo 20.9 24 -3.1
26 Daniel Suarez 14.0 26 -12.0

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

  • Kyle Larson: has 24 career starts at Las Vegas Motor Speedway with a 7.6 avg finish (5 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 P22 on the day.
  • Kyle Busch: was the biggest surprise, finishing P3 vs predicted P17. Track history: 52 starts, 11.3 avg finish.

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Frequently Asked Questions

Who won the 2021 Pennzoil 400 presented by Jiffy Lube?
Kyle Larson won the 2021 Pennzoil 400 presented by Jiffy Lube at Las Vegas Motor Speedway driving for Hendrick Motorsports.
Where was the 2021 Pennzoil 400 presented by Jiffy Lube held?
The 2021 Pennzoil 400 presented by Jiffy Lube was held at Las Vegas Motor Speedway on March 7, 2021.