NASCAR Xfinity Series at Martinsville
Martinsville Speedway — April 15, 2023
John Hunter Nemechek
Winner
250
Laps
38
Entries
6
Leaders
John Hunter Nemechek won the 2023 NASCAR Xfinity Series at Martinsville at Martinsville Speedway on April 15, 2023, leading 198 of 250 laps. Sammy Smith finished second; Cole Custer rounded out the podium. The race featured 6 different leaders.
Race Details
Date
Saturday, April 15, 2023
Track
Season
2023
Winner
Leaders
6 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 2 | +1 | John Hunter Nemechek |
| 2 | 7 | +5 | Sammy Smith |
| 3 | 1 | -2 | Cole Custer |
| 4 | 6 | +2 | Josh Berry |
| 5 | 10 | +5 | Brandon Jones |
| 6 | 8 | +2 | Justin Allgaier |
| 7 | 13 | +6 | Daniel Hemric |
| 8 | 12 | +4 | Derek Kraus |
| 9 | 16 | +7 | Brett Moffitt |
| 10 | 11 | +1 | Chandler Smith |
| 11 | 4 | -7 | Parker Retzlaff |
| 12 | 14 | +2 | Ryan Truex |
| 13 | 23 | +10 | Blaine Perkins |
| 14 | 31 | +17 | Jeb Burton |
| 15 | 19 | +4 | Kaz Grala |
| 16 | 15 | -1 | Austin Hill |
| 17 | 21 | +4 | Parker Kligerman |
| 18 | 17 | -1 | Ryan Sieg |
| 19 | 20 | +1 | Josh Williams |
| 20 | 25 | +5 | Jeffrey Earnhardt |
| 21 | 36 | +15 | Patrick Emerling |
| 22 | 26 | +4 | Matt Mills |
| 23 | 37 | +14 | Gray Gaulding |
| 24 | 38 | +14 | Anthony Alfredo |
| 25 | 30 | +5 | Leland Honeyman Jr. |
| 26 | 24 | -2 | Alex Labbe |
| 27 | 3 | -24 | Sheldon Creed |
| 28 | 35 | +7 | Ryan Ellis |
| 29 | 32 | +3 | Brennan Poole |
| 30 | 9 | -21 | Riley Herbst |
| 31 | 5 | -26 | Sam Mayer |
| 32 | 22 | -10 | Jeremy Clements |
| 33 | 18 | -15 | Connor Mosack |
| 34 | 27 | -7 | Kyle Weatherman |
| 35 | 28 | -7 | Kyle Sieg |
| 36 | 29 | -7 | Dawson Cram |
| 37 | 34 | -3 | Joe Graf Jr. |
| 38 | 33 | -5 | Kaden Honeycutt |
Model Performance
How well did the NR-Rating model predict this race? Across 10 matched drivers, the model averaged 10.3 positions off — worse than the season average of 8.5. Below Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | John Hunter Nemechek | 20.1 | 1 | +19.1 |
| 3 | Cole Custer | 23.0 | 3 | +20.0 |
| 4 | Josh Berry | 19.0 | 4 | +15.0 |
| 6 | Justin Allgaier | 17.7 | 6 | +11.7 |
| 8 | Derek Kraus | 21.3 | 8 | +13.3 |
| 12 | Ryan Truex | 15.6 | 12 | +3.6 |
| 16 | Austin Hill | 20.2 | 16 | +4.2 |
| 24 | Anthony Alfredo | 22.0 | 24 | -2.0 |
| 29 | Brennan Poole | 23.1 | 29 | -5.9 |
| 30 | Riley Herbst | 22.1 | 30 | -7.9 |
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
- John Hunter Nemechek: has 21 career starts at Martinsville Speedway with a 17.8 avg finish (2 wins) — the model may have underweighted this track history.
- Ryan Truex: was the model’s top pick based on 10 career starts at Martinsville Speedway with a 19.3 avg finish, finishing P12 on the day.
- Cole Custer: was the biggest surprise, finishing P3 vs predicted P23. Track history: 18 starts, 17.7 avg finish.
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Frequently Asked Questions
Who won the 2023 NASCAR Xfinity Series at Martinsville?
John Hunter Nemechek won the 2023 NASCAR Xfinity Series at Martinsville at Martinsville Speedway.
Where was the 2023 NASCAR Xfinity Series at Martinsville held?
The 2023 NASCAR Xfinity Series at Martinsville was held at Martinsville Speedway on April 15, 2023.