NASCAR SPRINT CUP SERIES AT DAYTONA

Daytona International Speedway — July 5, 2015

Dale Earnhardt, Jr.
Winner
161
Laps
43
Entries
12
Leaders

Dale Earnhardt, Jr. won the 2015 NASCAR SPRINT CUP SERIES AT DAYTONA at Daytona International Speedway on July 5, 2015, leading 96 of 161 laps. Jimmie Johnson finished second; Denny Hamlin rounded out the podium. The race featured 12 different leaders.

Race Details
Date
Sunday, July 5, 2015
Season
2015
Leaders
12 drivers
Pos Start +/- Driver
1 1 Dale Earnhardt, Jr.
2 12 +10 Jimmie Johnson
3 35 +32 Denny Hamlin
4 34 +30 Kevin Harvick
5 28 +23 Kurt Busch
6 23 +17 Jeff Gordon
7 2 -5 Austin Dillon
8 17 +9 Ryan Newman
9 5 -4 Trevor Bayne
10 3 -7 Clint Bowyer
11 15 +4 Casey Mears
12 8 -4 David Ragan
13 22 +9 Landon Cassill
14 31 +17 Tony Stewart
15 9 -6 Jamie McMurray
16 4 -12 Paul Menard
17 13 -4 Kyle Busch
18 21 +3 Justin Allgaier
19 30 +11 Ricky Stenhouse Jr.
20 25 +5 Greg Biffle
21 7 -14 A.J. Allmendinger
22 33 +11 Joey Logano
23 20 -3 Matt Kenseth
24 37 +13 Alex Bowman
25 29 +4 Cole Whitt
26 41 +15 Matt DiBenedetto
27 14 -13 Brett Moffitt
28 43 +15 Brendan Gaughan
29 32 +3 Brad Keselowski
30 11 -19 Sam Hornish Jr.
31 42 +11 Josh Wise
32 10 -22 Kasey Kahne
33 39 +6 J.J. Yeley
34 36 +2 Aric Almirola
35 27 -8 Danica Patrick
36 40 +4 Jeb Burton
37 18 -19 Michael Annett
38 19 -19 Martin Truex, Jr.
39 16 -23 Kyle Larson
40 6 -34 David Gilliland
41 24 -17 Carl Edwards
42 26 -16 Brian Scott
43 38 -5 Bobby Labonte
Model Performance

How well did the NR-Rating model predict this race? Across 14 matched drivers, the model averaged 9.3 positions off — worse than the season average of 8.5. Below Average

Pos Driver Predicted Actual Delta
2 Jimmie Johnson 18.9 2 +16.9
3 Denny Hamlin 16.0 3 +13.0
7 Austin Dillon 23.4 7 +16.4
11 Casey Mears 18.5 11 +7.5
17 Kyle Busch 15.1 17 -1.9
18 Justin Allgaier 21.1 18 +3.1
19 Ricky Stenhouse Jr. 18.5 19 -0.5
21 A.J. Allmendinger 20.1 21 -0.9
22 Joey Logano 20.5 22 -1.5
24 Alex Bowman 15.1 24 -8.9
29 Brad Keselowski 16.0 29 -13.0
33 J.J. Yeley 25.2 33 -7.8
38 Martin Truex, Jr. 20.1 38 -17.9
39 Kyle Larson 18.5 39 -20.5

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

  • Dale Earnhardt, Jr.: has 39 career starts at Daytona International Speedway with a 13.8 avg finish (4 wins) — the model may have underweighted this track history.
  • Kyle Busch: was the model’s top pick based on 69 career starts at Daytona International Speedway with a 17.3 avg finish (3 wins), finishing P17 on the day.
  • Jimmie Johnson: was the biggest surprise, finishing P2 vs predicted P19. Track history: 42 starts, 17.7 avg finish.

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Frequently Asked Questions

Who won the 2015 NASCAR SPRINT CUP SERIES AT DAYTONA?
Dale Earnhardt, Jr. won the 2015 NASCAR SPRINT CUP SERIES AT DAYTONA at Daytona International Speedway.
Where was the 2015 NASCAR SPRINT CUP SERIES AT DAYTONA held?
The 2015 NASCAR SPRINT CUP SERIES AT DAYTONA was held at Daytona International Speedway on July 5, 2015.