Dover 2021 NASCAR Speed By Segment
| Rank | Driver | Finish | Q1 | Q2 | Q3 | Q4 | Total |
|---|---|---|---|---|---|---|---|
| 1 | Kyle Larson | 2 | 2.444 | 2.678 | 1.995 | 2.37 | 2.372 |
| 2 | Chase Elliott | 3 | 0.954 | 2.643 | 1.632 | 2.131 | 1.84 |
| 3 | Alex Bowman | 1 | 0.995 | 1.421 | 1.791 | 2.552 | 1.69 |
| 4 | William Byron | 4 | 2.144 | 1.351 | 1.493 | 1.506 | 1.624 |
| 5 | Kevin Harvick | 6 | 1.95 | 1.241 | 1.072 | 1.226 | 1.372 |
| 6 | Denny Hamlin | 7 | 1.698 | 1.646 | 1.084 | 1 | 1.357 |
| 7 | Ryan Blaney | 12 | 1.656 | 1.025 | 0.555 | 0.775 | 1.003 |
| 8 | Joey Logano | 5 | 1.281 | 0.997 | -0.011 | 1.06 | 0.832 |
| 9 | Brad Keselowski | 16 | 0.95 | 0.76 | 0.987 | 0.166 | 0.716 |
| 10 | Austin Dillon | 14 | 0.775 | 0.764 | 0.93 | 0.367 | 0.709 |
| 11 | Tyler Reddick | 8 | 0.475 | 0.445 | 0.795 | 0.989 | 0.676 |
| 12 | Kurt Busch | 13 | -0.038 | 1.105 | 0.965 | 0.609 | 0.66 |
| 13 | Ross Chastain | 15 | 0.395 | 0.503 | 0.546 | 0.356 | 0.45 |
| 14 | Martin Truex Jr | 19 | 1.194 | 0.55 | 0.346 | -0.315 | 0.444 |
| 15 | Chris Buescher | 17 | 1.081 | 0.567 | -0.095 | 0.038 | 0.398 |
| 16 | Daniel Suarez | 9 | 0.098 | 0.44 | 0.291 | 0.714 | 0.386 |
| 17 | Bubba Wallace | 11 | 0.355 | -0.068 | -0.117 | 0.569 | 0.185 |
| 18 | Cole Custer | 10 | -0.734 | 0.101 | 0.15 | 0.475 | -0.002 |
| 19 | Ricky Stenhouse Jr | 20 | 0.278 | 0.228 | -0.8 | 0.004 | -0.073 |
| 20 | Christopher Bell | 21 | 0.152 | -0.773 | 0.017 | -0.357 | -0.24 |
| 21 | Ryan Newman | 23 | -0.813 | -0.234 | -0.212 | -1.082 | -0.585 |
| 22 | Ryan Preece | 18 | -0.942 | -0.739 | -0.555 | -0.297 | -0.633 |
| 23 | Erik Jones | 22 | -0.581 | -0.465 | -0.965 | -0.71 | -0.68 |
| 24 | Corey Lajoie | 26 | -0.633 | -1.55 | -0.678 | -0.686 | -0.887 |
| 25 | Michael McDowell | 25 | -0.97 | -1.087 | -0.668 | -0.854 | -0.895 |
| 26 | Matt DiBenedetto | 24 | -1.028 | -0.903 | -1.193 | -0.778 | -0.976 |
| 27 | Kyle Busch | 27 | -3.829 | -0.811 | 0.488 | 0.071 | -1.02 |
| 28 | Anthony Alfredo | 28 | -1.431 | -1.362 | -1.159 | -1.248 | -1.3 |
| 29 | Josh Berry | 30 | -3.195 | -2.973 | -3.321 | -3.185 | -3.169 |
| 30 | BJ McLeod | 36 | -3.601 | -3.597 | -4.303 | -3.142 | -3.661 |
| 31 | Cody Ware | 31 | -3.375 | -3.363 | -4.386 | -4.428 | -3.888 |
| 32 | Quin Houff | 29 | -4.903 | -3.7 | -4.404 | -4.839 | -4.462 |
| 33 | Garrett Smithley | 32 | -5.615 | -4.826 | -4.972 | -5.78 | -5.298 |
| 34 | Chase Briscoe | 35 | 0.139 | -4.87 | -9.787 | -9.189 | -5.927 |
| 35 | James Davison | 33 | -5.528 | -7.032 | -6.492 | -5.665 | -6.179 |
| 36 | Josh Bilicki | 34 | -6.614 | -5.506 | -8.12 | -8.157 | -7.099 |
| 37 | Aric Almirola | 37 | -0.419 | 0.234 | 0.471 |
