NASCAR XFINITY SERIES AT IOWA

Iowa Speedway — July 28, 2018

Christopher Bell
Winner
257
Laps
40
Entries
7
Leaders

Christopher Bell won the 2018 NASCAR XFINITY SERIES AT IOWA at Iowa Speedway on July 28, 2018, leading 94 of 257 laps. Justin Allgaier finished second; Kyle Benjamin rounded out the podium. The race featured 7 different leaders.

Race Details
Date
Saturday, July 28, 2018
Season
2018
Leaders
7 drivers
Pos Start +/- Driver
1 3 +2 Christopher Bell
2 7 +5 Justin Allgaier
3 4 +1 Kyle Benjamin
4 18 +14 Ross Chastain
5 11 +6 John Hunter Nemechek
6 1 -5 Elliott Sadler
7 19 +12 Ryan Reed
8 14 +6 Ryan Truex
9 2 -7 Cole Custer
10 12 +2 Chase Briscoe
11 10 -1 Daniel Hemric
12 9 -3 Brandon Jones
13 8 -5 Shane Lee
14 17 +3 Michael Annett
15 15 Casey Roderick
16 21 +5 Alex Labbe
17 22 +5 Joey Gase
18 6 -12 Austin Cindric
19 23 +4 David Starr
20 13 -7 Jeremy Clements
21 25 +4 Tommy Joe Martins
22 5 -17 Tyler Reddick
23 27 +4 Spencer Boyd
24 31 +7 Josh Williams
25 24 -1 Garrett Smithley
26 16 -10 Matt Tifft
27 28 +1 Brandon Hightower
28 30 +2 Ray Black, Jr.
29 34 +5 Vinnie Miller
30 26 -4 Max Tullman
31 36 +5 Peter Shepherd III
32 35 +3 Mike Harmon
33 37 +4 Stan Mullis
34 20 -14 Ryan Sieg
35 32 -3 Jeff Green
36 40 +4 Dexter Bean
37 29 -8 Chad Finchum
38 33 -5 Morgan Shepherd
39 39 Stephen Leicht
40 38 -2 Josh Bilicki
Model Performance

How well did the NR-Rating model predict this race? Across 13 matched drivers, the model averaged 9.3 positions off — worse than the season average of 8.5. Below Average

Pos Driver Predicted Actual Delta
1 Christopher Bell 10.7 1 +9.7
2 Justin Allgaier 18.3 2 +16.3
4 Ross Chastain 13.3 4 +9.3
5 John Hunter Nemechek 19.1 5 +14.1
8 Ryan Truex 15.4 8 +7.4
9 Cole Custer 22.9 9 +13.9
10 Chase Briscoe 11.9 10 +1.9
17 Joey Gase 23.4 17 +6.4
18 Austin Cindric 15.4 18 -2.6
19 David Starr 20.9 19 +1.9
22 Tyler Reddick 6.2 22 -15.8
37 Chad Finchum 26.4 37 -10.6
40 Josh Bilicki 28.6 40 -11.4

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

  • Christopher Bell: has 11 career starts at Iowa Speedway with a 8.8 avg finish (2 wins) — the model may have underweighted this track history.
  • Tyler Reddick: was the model’s top pick based on 10 career starts at Iowa Speedway with a 12.5 avg finish, finishing P22 on the day.
  • Justin Allgaier: was the biggest surprise, finishing P2 vs predicted P18. Track history: 14 starts, 10.1 avg finish.

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Frequently Asked Questions

Who won the 2018 NASCAR XFINITY SERIES AT IOWA?
Christopher Bell won the 2018 NASCAR XFINITY SERIES AT IOWA at Iowa Speedway.
Where was the 2018 NASCAR XFINITY SERIES AT IOWA held?
The 2018 NASCAR XFINITY SERIES AT IOWA was held at Iowa Speedway on July 28, 2018.