NASCAR XFINITY SERIES AT MICHIGAN
Michigan International Speedway — June 9, 2018
Austin Dillon
Winner
91
Laps
40
Entries
9
Leaders
Austin Dillon won the 2018 NASCAR XFINITY SERIES AT MICHIGAN at Michigan International Speedway on June 9, 2018, leading 18 of 91 laps. Daniel Hemric finished second; Cole Custer rounded out the podium. The race featured 9 different leaders.
Race Details
Date
Saturday, June 9, 2018
Season
2018
Winner
Leaders
9 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 13 | +12 | Austin Dillon |
| 2 | 5 | +3 | Daniel Hemric |
| 3 | 4 | +1 | Cole Custer |
| 4 | 15 | +11 | Ryan Reed |
| 5 | 2 | -3 | Paul Menard |
| 6 | 1 | -5 | Kyle Busch |
| 7 | 6 | -1 | Tyler Reddick |
| 8 | 24 | +16 | Kevin Harvick |
| 9 | 9 | — | Justin Allgaier |
| 10 | 12 | +2 | Ryan Truex |
| 11 | 7 | -4 | Christopher Bell |
| 12 | 40 | +28 | Kaz Grala |
| 13 | 8 | -5 | John Hunter Nemechek |
| 14 | 16 | +2 | Ross Chastain |
| 15 | 21 | +6 | Jeremy Clements |
| 16 | 14 | -2 | Matt Tifft |
| 17 | 17 | — | Michael Annett |
| 18 | 11 | -7 | Brandon Jones |
| 19 | 18 | -1 | Ryan Sieg |
| 20 | 27 | +7 | J.J. Yeley |
| 21 | 10 | -11 | Alex Bowman |
| 22 | 34 | +12 | Spencer Boyd |
| 23 | 29 | +6 | Austin Cindric |
| 24 | 25 | +1 | Tommy Joe Martins |
| 25 | 32 | +7 | Vinnie Miller |
| 26 | 22 | -4 | Garrett Smithley |
| 27 | 33 | +6 | Josh Bilicki |
| 28 | 38 | +10 | B.J. McLeod |
| 29 | 36 | +7 | Chad Finchum |
| 30 | 3 | -27 | Elliott Sadler |
| 31 | 37 | +6 | Timmy Hill |
| 32 | 26 | -6 | Josh Williams |
| 33 | 28 | -5 | David Starr |
| 34 | 23 | -11 | Caesar Bacarella |
| 35 | 35 | — | Brandon Hightower |
| 36 | 30 | -6 | Matt Mills |
| 37 | 20 | -17 | Alex Labbe |
| 38 | 39 | +1 | Morgan Shepherd |
| 39 | 19 | -20 | Joey Gase |
| 40 | 31 | -9 | Jeff Green |
Model Performance
How well did the NR-Rating model predict this race? Across 18 matched drivers, the model averaged 7.5 positions off — better than the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | Austin Dillon | 17.1 | 1 | +16.1 |
| 3 | Cole Custer | 22.9 | 3 | +19.9 |
| 6 | Kyle Busch | 17.0 | 6 | +11.0 |
| 7 | Tyler Reddick | 6.2 | 7 | -0.8 |
| 9 | Justin Allgaier | 18.3 | 9 | +9.3 |
| 10 | Ryan Truex | 15.4 | 10 | +5.4 |
| 11 | Christopher Bell | 10.7 | 11 | -0.3 |
| 13 | John Hunter Nemechek | 19.1 | 13 | +6.1 |
| 14 | Ross Chastain | 13.3 | 14 | -0.7 |
| 20 | J.J. Yeley | 28.8 | 20 | +8.8 |
| 21 | Alex Bowman | 13.5 | 21 | -7.5 |
| 23 | Austin Cindric | 15.4 | 23 | -7.6 |
| 27 | Josh Bilicki | 28.6 | 27 | +1.6 |
| 28 | B.J. McLeod | 24.8 | 28 | -3.2 |
| 29 | Chad Finchum | 26.4 | 29 | -2.6 |
| 31 | Timmy Hill | 23.9 | 31 | -7.1 |
| 33 | David Starr | 20.9 | 33 | -12.1 |
| 39 | Joey Gase | 23.4 | 39 | -15.6 |
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
- Austin Dillon: has 30 career starts at Michigan International Speedway with a 16.3 avg finish (1 win) — the model may have underweighted this track history.
- Tyler Reddick: was the model’s top pick based on 12 career starts at Michigan International Speedway with a 16.4 avg finish (2 wins), finishing P7 on the day.
- Cole Custer: was the biggest surprise, finishing P3 vs predicted P23. Track history: 8 starts, 18.6 avg finish.
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Frequently Asked Questions
Who won the 2018 NASCAR XFINITY SERIES AT MICHIGAN?
Austin Dillon won the 2018 NASCAR XFINITY SERIES AT MICHIGAN at Michigan International Speedway.
Where was the 2018 NASCAR XFINITY SERIES AT MICHIGAN held?
The 2018 NASCAR XFINITY SERIES AT MICHIGAN was held at Michigan International Speedway on June 9, 2018.