NASCAR Xfinity Series at New Hampshire
New Hampshire Motor Speedway — July 15, 2023
John Hunter Nemechek
Winner
206
Laps
38
Entries
7
Leaders
John Hunter Nemechek won the 2023 NASCAR Xfinity Series at New Hampshire at New Hampshire Motor Speedway on July 15, 2023, leading 137 of 206 laps. Chandler Smith finished second; Austin Hill rounded out the podium. The race featured 7 different leaders.
Race Details
Date
Saturday, July 15, 2023
Season
2023
Winner
Leaders
7 drivers
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 2 | +1 | John Hunter Nemechek |
| 2 | 1 | -1 | Chandler Smith |
| 3 | 8 | +5 | Austin Hill |
| 4 | 11 | +7 | Daniel Hemric |
| 5 | 7 | +2 | Sammy Smith |
| 6 | 4 | -2 | Justin Allgaier |
| 7 | 20 | +13 | Jeb Burton |
| 8 | 22 | +14 | Josh Williams |
| 9 | 12 | +3 | Brett Moffitt |
| 10 | 33 | +23 | Mason Massey |
| 11 | 5 | -6 | Brandon Jones |
| 12 | 21 | +9 | Alex Labbe |
| 13 | 38 | +25 | Kaz Grala |
| 14 | 28 | +14 | Patrick Emerling |
| 15 | 16 | +1 | Jeremy Clements |
| 16 | 9 | -7 | Austin Dillon |
| 17 | 3 | -14 | Josh Berry |
| 18 | 10 | -8 | Sam Mayer |
| 19 | 29 | +10 | Ryan Ellis |
| 20 | 14 | -6 | Riley Herbst |
| 21 | 17 | -4 | Sheldon Creed |
| 22 | 6 | -16 | Cole Custer |
| 23 | 26 | +3 | Kyle Sieg |
| 24 | 24 | — | Brennan Poole |
| 25 | 32 | +7 | Blaine Perkins |
| 26 | 25 | -1 | Connor Mosack |
| 27 | 23 | -4 | Kyle Weatherman |
| 28 | 35 | +7 | C.J. McLaughlin |
| 29 | 19 | -10 | Joe Graf Jr. |
| 30 | 31 | +1 | Chris Hacker |
| 31 | 13 | -18 | Parker Retzlaff |
| 32 | 15 | -17 | Parker Kligerman |
| 33 | 37 | +4 | Ryan Sieg |
| 34 | 18 | -16 | Anthony Alfredo |
| 35 | 34 | -1 | Chad Finchum |
| 36 | 30 | -6 | Stefan Parsons |
| 37 | 27 | -10 | Rajah Caruth |
| 38 | 36 | -2 | Greg Van Alst |
Model Performance
How well did the NR-Rating model predict this race? Across 10 matched drivers, the model averaged 8.0 positions off — close to the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 1 | John Hunter Nemechek | 20.1 | 1 | +19.1 |
| 3 | Austin Hill | 20.2 | 3 | +17.2 |
| 6 | Justin Allgaier | 17.7 | 6 | +11.7 |
| 16 | Austin Dillon | 17.0 | 16 | +1.0 |
| 17 | Josh Berry | 19.0 | 17 | +2.0 |
| 20 | Riley Herbst | 22.1 | 20 | +2.1 |
| 22 | Cole Custer | 23.0 | 22 | +1.0 |
| 24 | Brennan Poole | 23.1 | 24 | -0.9 |
| 34 | Anthony Alfredo | 22.0 | 34 | -12.0 |
| 35 | Chad Finchum | 22.1 | 35 | -12.9 |
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 9 career starts at New Hampshire Motor Speedway with a 13.6 avg finish (1 win) — the model may have underweighted this track history.
- Austin Dillon: was the model’s top pick based on 25 career starts at New Hampshire Motor Speedway with a 13.0 avg finish (1 win), finishing P16 on the day.
Explore More
Frequently Asked Questions
Who won the 2023 NASCAR Xfinity Series at New Hampshire?
John Hunter Nemechek won the 2023 NASCAR Xfinity Series at New Hampshire at New Hampshire Motor Speedway.
Where was the 2023 NASCAR Xfinity Series at New Hampshire held?
The 2023 NASCAR Xfinity Series at New Hampshire was held at New Hampshire Motor Speedway on July 15, 2023.