NASCAR Xfinity Series at Martinsville
Martinsville Speedway — October 28, 2023
Justin Allgaier
Winner
256
Laps
38
Entries
8
Leaders
Justin Allgaier won the 2023 NASCAR Xfinity Series at Martinsville at Martinsville Speedway on October 28, 2023, leading 21 of 256 laps. Sheldon Creed finished second; Sammy Smith rounded out the podium. The race featured 8 different leaders.
Race Details
Date
Saturday, October 28, 2023
Track
Season
2023
Winner
Leaders
8 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 2 | +1 | Justin Allgaier |
| 2 | 8 | +6 | Sheldon Creed |
| 3 | 1 | -2 | Sammy Smith |
| 4 | 4 | — | Riley Herbst |
| 5 | 12 | +7 | Josh Berry |
| 6 | 14 | +8 | Daniel Hemric |
| 7 | 10 | +3 | Parker Retzlaff |
| 8 | 22 | +14 | Anthony Alfredo |
| 9 | 38 | +29 | Jeb Burton |
| 10 | 15 | +5 | Parker Kligerman |
| 11 | 19 | +8 | Layne Riggs |
| 12 | 26 | +14 | Rajah Caruth |
| 13 | 34 | +21 | C.J. McLaughlin |
| 14 | 24 | +10 | Josh Williams |
| 15 | 11 | -4 | Myatt Snider |
| 16 | 6 | -10 | Brandon Jones |
| 17 | 20 | +3 | Jeremy Clements |
| 18 | 5 | -13 | John Hunter Nemechek |
| 19 | 3 | -16 | Cole Custer |
| 20 | 16 | -4 | Brett Moffitt |
| 21 | 9 | -12 | Austin Hill |
| 22 | 31 | +9 | Blaine Perkins |
| 23 | 18 | -5 | Josh Bilicki |
| 24 | 32 | +8 | Ryan Ellis |
| 25 | 17 | -8 | Sam Mayer |
| 26 | 29 | +3 | Jeffrey Earnhardt |
| 27 | 30 | +3 | Chad Finchum |
| 28 | 23 | -5 | Kaz Grala |
| 29 | 33 | +4 | Joe Graf Jr. |
| 30 | 35 | +5 | Chris Hacker |
| 31 | 25 | -6 | Connor Mosack |
| 32 | 27 | -5 | Brennan Poole |
| 33 | 36 | +3 | Akinori Ogata |
| 34 | 21 | -13 | J.J. Yeley |
| 35 | 13 | -22 | Ryan Sieg |
| 36 | 7 | -29 | Chandler Smith |
| 37 | 37 | — | Devin Jones |
| 38 | 28 | -10 | Kyle Sieg |
Model Performance
How well did the NR-Rating model predict this race? Across 11 matched drivers, the model averaged 8.7 positions off — close to the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | Justin Allgaier | 17.7 | 1 | +16.7 |
| 4 | Riley Herbst | 22.1 | 4 | +18.1 |
| 5 | Josh Berry | 19.0 | 5 | +14.0 |
| 8 | Anthony Alfredo | 22.0 | 8 | +14.0 |
| 18 | John Hunter Nemechek | 20.1 | 18 | +2.1 |
| 19 | Cole Custer | 23.0 | 19 | +4.0 |
| 21 | Austin Hill | 20.2 | 21 | -0.8 |
| 23 | Josh Bilicki | 29.4 | 23 | +6.4 |
| 27 | Chad Finchum | 22.1 | 27 | -4.9 |
| 32 | Brennan Poole | 23.1 | 32 | -8.9 |
| 34 | J.J. Yeley | 28.1 | 34 | -5.9 |
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
- Justin Allgaier: has 16 career starts at Martinsville Speedway with a 12.8 avg finish (2 wins) — the model correctly identified this strength.
- Riley Herbst: was the biggest surprise, finishing P4 vs predicted P22. Track history: 11 starts, 17.9 avg finish.
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Frequently Asked Questions
Who won the 2023 NASCAR Xfinity Series at Martinsville?
Justin Allgaier 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 October 28, 2023.