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