Sam's Town 300

Las Vegas Motor Speedway — January 1, 2009

Greg Biffle
Winner
209
Laps
43
Entries
12
Leaders

Greg Biffle won the 2009 Sam's Town 300 at Las Vegas Motor Speedway on January 1, 2009, leading 86 of 209 laps. Carl Edwards finished second; Brian Vickers rounded out the podium. The race featured 12 different leaders.

Race Details
Date
Thursday, January 1, 2009
Season
2009
Winner
Leaders
12 drivers
Pos Start +/- Driver
1 3 +2 Greg Biffle
2 7 +5 Carl Edwards
3 10 +7 Brian Vickers
4 23 +19 Jason Leffler
5 15 +10 Dale Earnhardt Jr.
6 16 +10 Michael McDowell
7 13 +6 Brendan Gaughan
8 11 +3 Justin Allgaier
9 42 +33 Scott Lagasse Jr.
10 14 +4 Jeff Burton
11 28 +17 Scott Wimmer
12 35 +23 Kenny Hendrick
13 24 +11 Morgan Shepherd
14 20 +6 Kenny Wallace
15 39 +24 Tony Raines
16 33 +17 Eric McClure
17 37 +20 Ken Butler III
18 31 +13 Danny O'Quinn Jr.
19 32 +13 Brian Keselowski
20 29 +9 Joe Nemechek
21 4 -17 Denny Hamlin
22 9 -13 Mike Bliss
23 27 +4 Andy Ponstein
24 36 +12 Brandon Whitt
25 26 +1 Jason Keller
26 12 -14 David Ragan
27 8 -19 Brad Keselowski
28 43 +15 Stanton Barrett
29 2 -27 Kevin Harvick
30 6 -24 Steve Wallace
31 19 -12 David Green
32 34 +2 Michael Annett
33 25 -8 D.J. Kennington
34 30 -4 Robert Richardson Jr.
35 17 -18 Casey Atwood
36 38 +2 Scott Gaylord
37 18 -19 Kelly Bires
38 41 +3 John Wes Townley
39 5 -34 Kyle Busch
40 1 -39 Scott Speed
41 22 -19 Terry Cook
42 40 -2 Johnny Chapman
43 21 -22 Dennis Setzer
Model Performance

How well did the NR-Rating model predict this race? Across 5 matched drivers, the model averaged 14.4 positions off — worse than the season average of 8.5. Below Average

Pos Driver Predicted Actual Delta
6 Michael McDowell 17.0 6 +11.0
8 Justin Allgaier 18.3 8 +10.3
21 Denny Hamlin 8.2 21 -12.8
27 Brad Keselowski 11.2 27 -15.8
39 Kyle Busch 17.0 39 -22.0

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

  • Greg Biffle: has 24 career starts at Las Vegas Motor Speedway with a 12.7 avg finish (2 wins) — the model may have underweighted this track history.
  • Denny Hamlin: was the model’s top pick based on 37 career starts at Las Vegas Motor Speedway with a 13.2 avg finish (3 wins), finishing P21 on the day.
  • Michael McDowell: was the biggest surprise, finishing P6 vs predicted P17. Track history: 23 starts, 27.5 avg finish.

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Frequently Asked Questions

Who won the 2009 Sam's Town 300?
Greg Biffle won the 2009 Sam's Town 300 at Las Vegas Motor Speedway driving for Roush Fenway Racing.
Where was the 2009 Sam's Town 300 held?
The 2009 Sam's Town 300 was held at Las Vegas Motor Speedway on January 1, 2009.