RADIO
The NASCAR Cup Series ran a single practice session at Iowa Speedway on Friday in preparation for the upcoming Iowa Corn 350 Powered by Ethanol on Sunday.
The 36-car field took to the brand new Iowa track, as part of the surface in the turns was recently re-paved. Unfortunately, we also saw a lot of tire issues during this practice sessions, which could pop up during the race on Sunday as well.
This will be the first-ever NASCAR Cup Series race at Iowa Speedway, which is a 7/8-mile oval short track that has 12 to 14 degrees of progressive banking in the turns.
Important Practice Notes
Christopher Bell - Bell was one of the fastest cars in practice on Friday but had a tire go down and the No. 20 Toyota hit the wall hard. The Joe Gibbs Racing team will bring out the backup car for Bell and he will have to drop to the rear at the start of the race.
Austin Cindric - Another car that had a tire go down which resulted in a hard hit with the wall was Austin Cindric's No. 2 Ford. Like Christopher Bell, Austin Cindric will also be driving a backup car on Sunday and will have to drop to the rear at the start of the race.
Ross Chastain - The No. 1 Chevrolet had a tire go down about 30 minutes into practice. Chastain was fast before that happened, though, and he ended up with the second-fastest 10-lap average in the session.
2024 Iowa Corn 350 Powered by Ethanol Practice Speed Chart
Click here to download the PDF of the practice speed chart.
| Pos | Driver | Time | Speed | Fastest Lap | Laps Ran | Behind Leader |
| 1. | Noah Gragson | 22.828 | 137.988 | 39 | 40 | ---.--- |
| 2. | Ty Gibbs | 23.067 | 136.559 | 45 | 45 | -0.239 |
| 3. | Alex Bowman | 23.105 | 136.334 | 47 | 48 | -0.277 |
| 4. | Justin Haley | 23.116 | 136.269 | 32 | 32 | -0.288 |
| 5. | Chase Elliott | 23.182 | 135.881 | 48 | 53 | -0.354 |
| 6. | Ross Chastain | 23.196 | 135.799 | 34 | 41 | -0.368 |
| 7. | Harrison Burton | 23.199 | 135.782 | 35 | 35 | -0.371 |
| 8. | Denny Hamlin | 23.207 | 135.735 | 48 | 61 | -0.379 |
| 9. | Austin Dillon | 23.215 | 135.688 | 30 | 31 | -0.387 |
| 10. | Chase Briscoe | 23.238 | 135.554 | 25 | 60 | -0.410 |
| 11. | Tyler Reddick | 23.247 | 135.501 | 22 | 57 | -0.419 |
| 12. | Ricky Stenhouse Jr. | 23.272 | 135.356 | 57 | 59 | -0.444 |
| 13. | Kyle Larson | 23.284 | 135.286 | 45 | 50 | -0.456 |
| 14. | Corey LaJoie | 23.305 | 135.164 | 23 | 50 | -0.477 |
| 15. | Daniel Suarez | 23.306 | 135.158 | 44 | 51 | -0.478 |
| 16. | Christopher Bell | 23.307 | 135.153 | 10 | 19 | -0.479 |
| 17. | AJ Allmendinger | 23.317 | 135.095 | 33 | 34 | -0.489 |
| 18. | Kaz Grala | 23.322 | 135.066 | 42 | 43 | -0.494 |
| 19. | Bubba Wallace | 23.342 | 134.950 | 24 | 54 | -0.514 |
| 20. | Josh Berry | 23.353 | 134.886 | 19 | 39 | -0.525 |
| 21. | Carson Hocevar | 23.360 | 134.846 | 22 | 32 | -0.532 |
| 22. | Ryan Blaney | 23.364 | 134.823 | 34 | 49 | -0.536 |
| 23. | Joey Logano | 23.373 | 134.771 | 31 | 46 | -0.545 |
| 24. | William Byron | 23.383 | 134.713 | 32 | 37 | -0.555 |
| 25. | Michael McDowell | 23.386 | 134.696 | 51 | 56 | -0.558 |
| 26. | Ryan Preece | 23.396 | 134.638 | 32 | 33 | -0.568 |
| 27. | Brad Keselowski | 23.399 | 134.621 | 29 | 40 | -0.571 |
| 28. | Todd Gilliland | 23.407 | 134.575 | 44 | 47 | -0.579 |
| 29. | Daniel Hemric | 23.416 | 134.523 | 40 | 46 | -0.588 |
| 30. | Kyle Busch | 23.435 | 134.414 | 27 | 47 | -0.607 |
| 31. | Chris Buescher | 23.476 | 134.180 | 20 | 51 | -0.648 |
| 32. | John Hunter Nemechek | 23.488 | 134.111 | 32 | 47 | -0.660 |
| 33. | Martin Truex Jr. | 23.513 | 133.968 | 23 | 36 | -0.685 |
| 34. | Austin Cindric | 23.513 | 133.968 | 45 | 46 | -0.685 |
| 35. | Zane Smith | 23.531 | 133.866 | 30 | 45 | -0.703 |
| 36. | Erik Jones | 23.864 | 131.998 | 4 | 30 | -1.036 |
2024 Iowa Corn 350 Powered by Ethanol 10-Lap Average Chart
| Pos | Driver | From Lap | To Lap | Avg Speed |
| 1. | Tyler Reddick | 22 | 31 | 135.168 |
| 2. | Ross Chastain | 32 | 41 | 135.119 |
| 3. | Alex Bowman | 32 | 41 | 134.985 |
| 4. | Kyle Larson | 41 | 50 | 134.757 |
| 5. | Denny Hamlin | 24 | 33 | 134.673 |
| 6. | Chase Briscoe | 20 | 29 | 134.647 |
| 7. | Christopher Bell | 3 | 12 | 134.435 |
| 8. | Daniel Suarez | 42 | 51 | 134.228 |
| 9. | Kyle Busch | 23 | 32 | 134.153 |
| 10. | Bubba Wallace | 35 | 44 | 134.136 |
| 11. | Chase Elliott | 44 | 53 | 134.128 |
| 12. | William Byron | 28 | 37 | 134.101 |
| 13. | Ricky Stenhouse Jr. | 42 | 51 | 134.069 |
| 14. | Corey LaJoie | 9 | 18 | 133.844 |
| 15. | Joey Logano | 25 | 34 | 133.784 |
| 16. | Todd Gilliland | 37 | 46 | 133.772 |
| 17. | Michael McDowell | 27 | 36 | 133.745 |
| 18. | Ty Gibbs | 31 | 40 | 133.709 |
| 19. | AJ Allmendinger | 5 | 14 | 133.657 |
| 20. | Josh Berry | 30 | 39 | 133.606 |
| 21. | Austin Cindric | 37 | 46 | 133.599 |
| 22. | John Hunter Nemechek | 28 | 37 | 133.578 |
| 23. | Zane Smith | 35 | 44 | 133.491 |
| 24. | Brad Keselowski | 22 | 31 | 133.326 |
| 25. | Ryan Blaney | 7 | 16 | 133.324 |
| 26. | Harrison Burton | 21 | 30 | 133.323 |
| 27. | Carson Hocevar | 22 | 31 | 133.137 |
| 28. | Ryan Preece | 3 | 12 | 133.067 |
| 29. | Noah Gragson | 6 | 15 | 132.808 |
| 30. | Justin Haley | 20 | 29 | 132.706 |
| 31. | Chris Buescher | 7 | 16 | 132.578 |
| 32. | Martin Truex Jr. | 5 | 14 | 132.455 |
| 33. | Kaz Grala | 4 | 13 | 131.802 |
| 34. | Daniel Hemric | 4 | 13 | 131.585 |
| 35. | Erik Jones | 21 | 30 | 130.908 |
| 36. | Austin Dillon | 1 | 10 | 127.990 |
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