NASCAR Xfinity Series at Iowa
Iowa Speedway — August 2, 2025
Sam Mayer
Winner
250
Laps
38
Entries
8
Leaders
Sam Mayer won the 2025 NASCAR Xfinity Series at Iowa at Iowa Speedway on August 2, 2025, leading 28 of 250 laps. Jesse Love finished second; Ross Chastain rounded out the podium. The race featured 8 different leaders.
Race Details
| Pos | Start | +/- | Driver |
|---|---|---|---|
| 1 | 5 | +4 | Sam Mayer |
| 2 | 1 | -1 | Jesse Love |
| 3 | 11 | +8 | Ross Chastain |
| 4 | 4 | — | Connor Zilisch |
| 5 | 17 | +12 | Harrison Burton |
| 6 | 3 | -3 | Carson Hocevar |
| 7 | 14 | +7 | Sheldon Creed |
| 8 | 7 | -1 | Ryan Sieg |
| 9 | 8 | -1 | Carson Kvapil |
| 10 | 25 | +15 | Christian Eckes |
| 11 | 2 | -9 | William Sawalich |
| 12 | 16 | +4 | Justin Bonsignore |
| 13 | 28 | +15 | Parker Retzlaff |
| 14 | 6 | -8 | Austin Dillon |
| 15 | 9 | -6 | Sammy Smith |
| 16 | 15 | -1 | Justin Allgaier |
| 17 | 36 | +19 | Taylor Gray |
| 18 | 24 | +6 | Kyle Sieg |
| 19 | 26 | +7 | Nick Sanchez |
| 20 | 22 | +2 | Brennan Poole |
| 21 | 29 | +8 | Josh Bilicki |
| 22 | 27 | +5 | Jeremy Clements |
| 23 | 12 | -11 | Brandon Jones |
| 24 | 18 | -6 | Corey Day |
| 25 | 34 | +9 | Ryan Ellis |
| 26 | 19 | -7 | Anthony Alfredo |
| 27 | 33 | +6 | Joey Gase |
| 28 | 21 | -7 | Blaine Perkins |
| 29 | 32 | +3 | Jeb Burton |
| 30 | 35 | +5 | Patrick Emerling |
| 31 | 20 | -11 | Dean Thompson |
| 32 | 23 | -9 | Thomas Annunziata |
| 33 | 30 | -3 | Garrett Smithley |
| 34 | 37 | +3 | Tyler Tomassi |
| 35 | 13 | -22 | Matt DiBenedetto |
| 36 | 10 | -26 | Daniel Dye |
| 37 | 31 | -6 | Mason Massey |
| 38 | 38 | — | Dawson Cram |
Model Performance
How well did the NR-Rating model predict this race? Across 11 matched drivers, the model averaged 8.8 positions off — close to the season average of 8.5. Average
| Pos | Driver | Predicted | Actual | Delta |
|---|---|---|---|---|
| 2 | Jesse Love | 25.7 | 2 | +23.7 |
| 3 | Ross Chastain | 13.3 | 3 | +10.3 |
| 4 | Connor Zilisch | 22.9 | 4 | +18.9 |
| 6 | Carson Hocevar | 13.1 | 6 | +7.1 |
| 14 | Austin Dillon | 17.1 | 14 | +3.1 |
| 16 | Justin Allgaier | 18.3 | 16 | +2.3 |
| 20 | Brennan Poole | 24.7 | 20 | +4.7 |
| 21 | Josh Bilicki | 28.6 | 21 | +7.6 |
| 26 | Anthony Alfredo | 20.9 | 26 | -5.1 |
| 27 | Joey Gase | 23.4 | 27 | -3.6 |
| 36 | Daniel Dye | 26.1 | 36 | -9.9 |
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
- Carson Hocevar: was the model’s top pick based on 3 career starts at Iowa Speedway with a 9.3 avg finish, finishing P6 on the day.
- Jesse Love: was the biggest surprise, finishing P2 vs predicted P26. Track history: 2 starts, 16.5 avg finish.
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Frequently Asked Questions
Who won the 2025 NASCAR Xfinity Series at Iowa?
Sam Mayer won the 2025 NASCAR Xfinity Series at Iowa at Iowa Speedway.
Where was the 2025 NASCAR Xfinity Series at Iowa held?
The 2025 NASCAR Xfinity Series at Iowa was held at Iowa Speedway on August 2, 2025.