STP 500

Martinsville Speedway, April 2, 2017

Brad Keselowski
Winner
500
Laps
38
Entries
7
Leaders

Brad Keselowski won the 2017 STP 500 at Martinsville Speedway on April 2, 2017, leading 116 of 500 laps. Kyle Busch finished second; Chase Elliott rounded out the podium. The race featured 7 different leaders.

Race Details
Date
Sunday, April 2, 2017
Season
2017
Leaders
7 drivers
Pos Start +/- Driver
1 4 +3 Brad Keselowski
2 10 +8 Kyle Busch
3 2 -1 Chase Elliott
4 5 +1 Joey Logano
5 20 +15 Austin Dillon
6 30 +24 A.J. Allmendinger
7 8 +1 Clint Bowyer
8 11 +3 Ryan Newman
9 25 +16 Matt Kenseth
10 24 +14 Ricky Stenhouse Jr.
11 33 +22 Chris Buescher
12 15 +3 Erik Jones
13 16 +3 Trevor Bayne
14 13 -1 Kasey Kahne
15 17 +2 Jimmie Johnson
16 3 -13 Martin Truex, Jr.
17 1 -16 Kyle Larson
18 18 Aric Almirola
19 22 +3 Paul Menard
20 9 -11 Kevin Harvick
21 31 +10 Cole Whitt
22 23 +1 Ty Dillon
23 29 +6 Danica Patrick
24 34 +10 David Ragan
25 7 -18 Ryan Blaney
26 26 Michael McDowell
27 27 Landon Cassill
28 35 +7 Corey LaJoie
29 37 +8 Gray Gaulding
30 12 -18 Denny Hamlin
31 32 +1 Reed Sorenson
32 19 -13 Daniel Suarez
33 38 +5 Timmy Hill
34 21 -13 Dale Earnhardt, Jr.
35 28 -7 Matt DiBenedetto
36 36 Jeffrey Earnhardt
37 14 -23 Kurt Busch
38 6 -32 Jamie McMurray
Model Performance

How well did the NR-Rating model predict this race? Across 18 matched drivers, the model averaged 9.2 positions off — worse than the season average of 8.5. Below Average

Pos Driver Predicted Actual Delta
1 Brad Keselowski 13.8 1 +12.8
3 Chase Elliott 9.9 3 +6.9
4 Joey Logano 10.3 4 +6.3
5 Austin Dillon 17.7 5 +12.7
6 A.J. Allmendinger 20.1 6 +14.1
10 Ricky Stenhouse Jr. 20.4 10 +10.4
11 Chris Buescher 12.0 11 +1.0
12 Erik Jones 17.7 12 +5.7
15 Jimmie Johnson 18.0 15 +3.0
16 Martin Truex, Jr. 14.0 16 -2.0
17 Kyle Larson 10.3 17 -6.7
22 Ty Dillon 23.1 22 +1.1
25 Ryan Blaney 6.8 25 -18.2
26 Michael McDowell 15.6 26 -10.4
28 Corey LaJoie 24.9 28 -3.1
30 Denny Hamlin 6.8 30 -23.2
32 Daniel Suarez 14.0 32 -18.0
33 Timmy Hill 23.1 33 -9.9

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

  • Brad Keselowski: has 37 career starts at Martinsville Speedway with a 15.4 avg finish (2 wins) — the model may have underweighted this track history.
  • Ryan Blaney: was the model’s top pick based on 26 career starts at Martinsville Speedway with a 8.0 avg finish (2 wins), finishing P25 on the day.
  • A.J. Allmendinger: was the biggest surprise, finishing P6 vs predicted P20. Track history: 35 starts, 20.7 avg finish.

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Frequently Asked Questions

Who won the 2017 STP 500?
Brad Keselowski won the 2017 STP 500 at Martinsville Speedway driving for Team Penske.
Where was the 2017 STP 500 held?
The 2017 STP 500 was held at Martinsville Speedway on April 2, 2017.