Dover 2021 Green Flag Speeds
| Rank | Driver | Finish | Green Flag Speed |
|---|---|---|---|
| 1 | Kyle Larson | 2 | 148.143 |
| 2 | Chase Elliott | 3 | 147.699 |
| 3 | Alex Bowman | 1 | 147.528 |
| 4 | William Byron | 4 | 147.477 |
| 5 | Denny Hamlin | 7 | 147.281 |
| 6 | Kevin Harvick | 6 | 147.231 |
| 7 | Ryan Blaney | 12 | 146.946 |
| 8 | Joey Logano | 5 | 146.808 |
| 9 | Austin Dillon | 14 | 146.745 |
| 10 | Brad Keselowski | 16 | 146.742 |
| 11 | Kurt Busch | 13 | 146.667 |
| 12 | Tyler Reddick | 8 | 146.608 |
| 13 | Ross Chastain | 15 | 146.463 |
| 14 | Martin Truex Jr | 19 | 146.441 |
| 15 | Chris Buescher | 17 | 146.436 |
| 16 | Daniel Suarez | 9 | 146.379 |
| 17 | Aric Almirola | 37 | 146.275 |
| 18 | Bubba Wallace | 11 | 146.228 |
| 19 | Cole Custer | 10 | 146.085 |
| 20 | Ricky Stenhouse Jr | 20 | 145.995 |
| 21 | Christopher Bell | 21 | 145.82 |
| 22 | Ryan Newman | 23 | 145.618 |
| 23 | Ryan Preece | 18 | 145.478 |
| 24 | Erik Jones | 22 | 145.405 |
| 25 | Corey Lajoie | 26 | 145.189 |
| 26 | Michael McDowell | 25 | 145.154 |
| 27 | Matt DiBenedetto | 24 | 145.061 |
| 28 | Kyle Busch | 27 | 144.918 |
| 29 | Anthony Alfredo | 28 | 144.757 |
| 30 | Josh Berry | 30 | 142.838 |
| 31 | BJ McLeod | 36 | 142.37 |
| 32 | Cody Ware | 31 | 142.111 |
| 33 | Quin Houff | 29 | 141.528 |
| 34 | Garrett Smithley | 32 | 140.59 |
| 35 | Chase Briscoe | 35 | 140.073 |
| 36 | James Davison | 33 | 139.786 |
| 37 | Josh Bilicki | 34 | 138.735 |
