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NASCAR practice speeds, lap averages and notes for the 2025 Mobil 1 301 at New Hampshire Motor Speedway (Loudon). Use the NASCAR stats and data to build DFS lineups on DraftKings. William Byron was fastest.
The NASCAR Cup Series ran a single practice session at New Hampshire Motor Speedway (Loudon) on Saturday afternoon in preparation for the upcoming Mobil 1 301 on Sunday afternoon.
The 36-car field was split into two groups for practice, with each group getting 25 minutes on track.
Below you will find the two groups, key notes from the practice session, as well as the practice speeds for all drivers.
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Important Practice Notes
Christopher Bell - In an interview after practice, Christopher Bell said his car felt great, but it wasn't passing the "lap time test." He really liked how the No. 20 Toyota handled, but was searching for just a little more speed.
Ryan Blaney - The No. 12 Ford was a rocket ship in practice when it came to the long run. In 10-, 15-, 20-, 25-, and 30-lap averages, Blaney ranked as the fastest in the session.
William Byron - Willy B was confident after practice, but noted that the No. 24 needed long run speed. Byron has struggled at New Hampshire in his career, with zero top-10 finishes in seven attempts.
William Byron doesn't want to jinx anything for tomorrow, but he told @AlanCavanna he feels like his team has a handle on the track.
"I felt good, just trying to put the long run together. Overall, the one lap is good. I didn't push for that, but it shows our car has good pace."
— PRN (@PRNlive) September 20, 2025
2025 Mobil 1 301 Practice Speed Chart
Click here to download the PDF of the practice speed chart.
| Rank | Driver | Time | Speed | Fastest Lap | Laps Ran |
Behind Leader
|
| 1. | William Byron | 29.795 | 127.834 | 2 | 43 | ---.--- |
| 2. | AJ Allmendinger | 29.839 | 127.645 | 4 | 34 | -0.044 |
| 3. | Ryan Preece | 29.877 | 127.483 | 2 | 37 | -0.082 |
| 4. | Riley Herbst | 29.896 | 127.402 | 3 | 40 | -0.101 |
| 5. | Cole Custer | 29.901 | 127.380 | 2 | 30 | -0.106 |
| 6. | Ryan Blaney | 29.926 | 127.274 | 7 | 46 | -0.131 |
| 7. | Bubba Wallace | 29.941 | 127.210 | 3 | 40 | -0.146 |
| 8. | Ty Gibbs | 29.942 | 127.206 | 4 | 39 | -0.147 |
| 9. | Michael McDowell | 29.953 | 127.159 | 6 | 35 | -0.158 |
| 10. | Daniel Suarez | 29.958 | 127.138 | 2 | 46 | -0.163 |
| 11. | Justin Haley | 29.964 | 127.113 | 3 | 35 | -0.169 |
| 12. | Austin Dillon | 29.970 | 127.087 | 3 | 32 | -0.175 |
| 13. | Erik Jones | 29.972 | 127.079 | 2 | 27 | -0.177 |
| 14. | Ricky Stenhouse Jr. | 29.979 | 127.049 | 4 | 28 | -0.184 |
| 15. | Josh Berry | 29.980 | 127.045 | 4 | 40 | -0.185 |
| 16. | Kyle Larson | 29.991 | 126.998 | 5 | 36 | -0.196 |
| 17. | Noah Gragson | 29.995 | 126.981 | 3 | 33 | -0.200 |
| 18. | Tyler Reddick | 30.042 | 126.783 | 3 | 41 | -0.247 |
| 19. | Chris Buescher | 30.042 | 126.783 | 3 | 37 | -0.247 |
| 20. | Chase Elliott | 30.047 | 126.761 | 8 | 46 | -0.252 |
| 21. | Christopher Bell | 30.050 | 126.749 | 2 | 32 | -0.255 |
| 22. | Carson Hocevar | 30.051 | 126.745 | 7 | 39 | -0.256 |
| 23. | Denny Hamlin | 30.065 | 126.686 | 4 | 43 | -0.270 |
| 24. | John H. Nemechek | 30.110 | 126.496 | 2 | 29 | -0.315 |
| 25. | Joey Logano | 30.111 | 126.492 | 3 | 42 | -0.316 |
| 26. | Chase Briscoe | 30.114 | 126.479 | 6 | 35 | -0.319 |
| 27. | Austin Cindric | 30.123 | 126.442 | 13 | 34 | -0.328 |
| 28. | Shane Van Gisbergen | 30.151 | 126.324 | 5 | 37 | -0.356 |
| 29. | Brad Keselowski | 30.153 | 126.316 | 4 | 28 | -0.358 |
| 30. | Ross Chastain | 30.170 | 126.245 | 2 | 36 | -0.375 |
| 31. | Ty Dillon | 30.189 | 126.165 | 2 | 33 | -0.394 |
| 32. | Alex Bowman | 30.192 | 126.153 | 4 | 38 | -0.397 |
| 33. | Zane Smith | 30.233 | 125.982 | 4 | 34 | -0.438 |
| 34. | Kyle Busch | 30.417 | 125.219 | 4 | 31 | -0.622 |
| 35. | Todd Gilliland | 30.418 | 125.215 | 9 | 18 | -0.623 |
| 36. | Cody Ware | 30.427 | 125.178 | 3 | 29 | -0.632 |
2025 Mobil 1 301 10-Lap Average Chart
| Rank | Driver | From Lap | To Lap | Avg Speed |
| 1. | Ryan Blaney | 5 | 14 | 126.650 |
| 2. | William Byron | 2 | 11 | 126.624 |
| 3. | Justin Haley | 1 | 10 | 126.490 |
| 4. | Ty Gibbs | 2 | 11 | 126.476 |
| 5. | AJ Allmendinger | 1 | 10 | 126.468 |
| 6. | Kyle Larson | 2 | 11 | 126.427 |
| 7. | Michael McDowell | 2 | 11 | 126.326 |
| 8. | Chase Elliott | 3 | 12 | 126.282 |
| 9. | Denny Hamlin | 2 | 11 | 126.230 |
| 10. | Josh Berry | 3 | 12 | 126.169 |
| 11. | Ryan Preece | 1 | 10 | 126.163 |
| 12. | Noah Gragson | 2 | 11 | 126.081 |
| 13. | Daniel Suarez | 1 | 10 | 126.002 |
| 14. | Ricky Stenhouse Jr. | 1 | 10 | 125.958 |
| 15. | Cole Custer | 1 | 10 | 125.950 |
| 16. | Joey Logano | 2 | 11 | 125.913 |
| 17. | Tyler Reddick | 2 | 11 | 125.910 |
| 18. | Riley Herbst | 2 | 11 | 125.890 |
| 19. | Carson Hocevar | 1 | 10 | 125.848 |
| 20. | Shane Van Gisbergen | 2 | 11 | 125.820 |
| 21. | Chris Buescher | 2 | 11 | 125.781 |
| 22. | Bubba Wallace | 2 | 11 | 125.675 |
| 23. | Austin Dillon | 2 | 11 | 125.593 |
| 24. | Chase Briscoe | 2 | 11 | 125.585 |
| 25. | Brad Keselowski | 2 | 11 | 125.561 |
| 26. | Zane Smith | 2 | 11 | 125.484 |
| 27. | Alex Bowman | 4 | 13 | 125.384 |
| 28. | Christopher Bell | 11 | 20 | 125.274 |
| 29. | John Hunter Nemechek | 1 | 10 | 125.219 |
| 30. | Austin Cindric | 24 | 33 | 124.982 |
| 31. | Ross Chastain | 11 | 20 | 124.769 |
| 32. | Kyle Busch | 3 | 12 | 124.592 |
| 33. | Ty Dillon | 1 | 10 | 124.480 |
| 34. | Erik Jones | 11 | 20 | 124.237 |
| 35. | Cody Ware | 1 | 10 | 123.949 |
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