Iowa NASCAR Practice 5,10,15 and 20 Lap Average Speed Cheat Sheet
| Driver | 5 Lap | 10 Lap | 15 Lap | 20 Lap |
|---|---|---|---|---|
| Noah Gragson | 1 | 30 | 24 | |
| Ross Chastain | 2 | 13 | 15 | |
| Chase Briscoe | 3 | 5 | 8 | 7 |
| Alex Bowman | 4 | 2 | 2 | 1 |
| Tyler Reddick | 5 | 1 | 1 | 11 |
| Chase Elliott | 6 | 12 | 20 | 8 |
| Denny Hamlin | 7 | 4 | 4 | |
| Daniel Suarez | 8 | 7 | 5 | 3 |
| Kyle Larson | 9 | 3 | 3 | 2 |
| Christopher Bell | 10 | 6 | 6 | |
| Justin Haley | 11 | 14 | ||
| Bubba Wallace | 12 | 11 | 11 | 4 |
| William Byron | 13 | 8 | ||
| Ryan Blaney | 14 | 28 | 27 | |
| Joey Logano | 15 | 9 | 7 | |
| Ty Gibbs | 16 | 21 | 19 | 10 |
| Kyle Busch | 17 | 10 | ||
| Michael McDowell | 18 | 17 | 9 | 14 |
| Todd Gilliland | 19 | 16 | 12 | 5 |
| Brad Keselowski | 20 | 19 | 14 | |
| Ricky Stenhouse Jr. | 21 | 15 | 10 | 12 |
| Josh Berry | 22 | 18 | 18 | |
| Kaz Grala | 23 | 33 | 28 | |
| Corey LaJoie | 24 | 20 | 13 | 6 |
| Ryan Preece | 25 | 29 | ||
| Carson Hocevar | 26 | 23 | 22 | |
| AJ Allmendinger | 27 | 22 | ||
| Harrison Burton | 28 | 31 | 26 | |
| Austin Cindric | 29 | 24 | 16 | 9 |
| John H Nemechek | 30 | 25 | 21 | |
| Chris Buescher | 31 | 27 | 23 | 13 |
| Martin Truex Jr. | 32 | 32 | 25 | 15 |
| Zane Smith | 33 | 26 | 17 | |
| Daniel Hemric | 34 | 34 | ||
| Austin Dillon | 35 | 36 | ||
| Erik Jones | 36 | 35 | 29 |
