Daytona Summer 2021 Speed By Segment
| Rank | Driver | Finish | Q1 | Q2 | Q3 | Q4 | Total |
|---|---|---|---|---|---|---|---|
| 1 | Ricky Stenhouse Jr | 23 | 0.148 | 0.427 | 0.42 | 1.723 | 0.68 |
| 2 | Austin Dillon | 18 | 0.446 | 0.316 | 0.447 | 0.735 | 0.486 |
| 3 | Alex Bowman | 8 | 0.289 | 0.928 | 0.191 | 0.465 | 0.468 |
| 4 | Ross Chastain | 19 | 0.429 | 0.427 | 0.515 | 0.243 | 0.404 |
| 5 | Corey Lajoie | 17 | 0.466 | 0.382 | 0.277 | 0.444 | 0.392 |
| 6 | Kyle Larson | 21 | 0.003 | 0.535 | 0.437 | 0.515 | 0.373 |
| 7 | Kyle Busch | 35 | 0.204 | 0.39 | 0.42 | 0.434 | 0.362 |
| 8 | Ryan Preece | 5 | 0.152 | 0.555 | -0.008 | 0.642 | 0.335 |
| 9 | Chase Elliott | 9 | 0.256 | 0.246 | 0.442 | 0.396 | 0.335 |
| 10 | Christopher Bell | 33 | 0.302 | 0.281 | 0.419 | 0.254 | 0.314 |
| 11 | Denny Hamlin | 14 | 0.168 | 0.61 | 0.188 | 0.283 | 0.312 |
| 12 | Bubba Wallace | 3 | 0.379 | 0.072 | 0.399 | 0.397 | 0.312 |
| 13 | William Byron | 38 | 0.213 | -0.008 | 0.376 | 0.493 | 0.269 |
| 14 | Ryan Blaney | 1 | 0.203 | 0.391 | 0.497 | -0.188 | 0.226 |
| 15 | Joey Logano | 24 | 0.448 | 0.676 | 0.429 | -0.686 | 0.217 |
| 16 | Chris Buescher | 2 | 0.248 | 0.382 | 0.383 | -0.192 | 0.205 |
| 17 | Daniel Suarez | 20 | -0.121 | -0.435 | 0.05 | 0.955 | 0.112 |
| 18 | Cole Custer | 25 | 0.401 | 0.176 | -0.105 | -0.261 | 0.053 |
| 19 | Kevin Harvick | 16 | 0.172 | -0.484 | 0.485 | 0.011 | 0.046 |
| 20 | Brad Keselowski | 34 | 0.274 | 0.177 | 0.359 | -1.126 | -0.079 |
| 21 | Justin Haley | 7 | 0.147 | -0.414 | -0.047 | -0.072 | -0.097 |
| 22 | Tyler Reddick | 6 | -0.132 | -0.02 | 0.349 | -0.584 | -0.097 |
| 23 | Chase Briscoe | 22 | 0.158 | -0.422 | -0.077 | -0.218 | -0.14 |
| 24 | Aric Almirola | 15 | 0.204 | -0.091 | 0.391 | -1.155 | -0.163 |
| 25 | Landon Cassill | 37 | -0.151 | -0.84 | -0.169 | 0.424 | -0.184 |
| 26 | Erik Jones | 12 | -0.246 | -0.936 | -0.011 | 0.329 | -0.216 |
| 27 | Kurt Busch | 13 | -0.78 | -0.334 | -0.692 | 0.171 | -0.409 |
| 28 | Ryan Newman | 4 | -0.133 | -0.588 | -0.725 | -0.268 | -0.429 |
| 29 | Matt DiBenedetto | 26 | -0.292 | -0.885 | -0.166 | -0.761 | -0.526 |
| 30 | Martin Truex Jr | 30 | 0.174 | 0.366 | 0.429 | -3.255 | -0.572 |
| 31 | Anthony Alfredo | 27 | -2.859 | -0.241 | -3.765 | -0.734 | -1.9 |
| 32 | Kaz Grala | 36 | -0.536 | -0.381 | -2.33 | -5.194 | -2.11 |
| 33 | BJ McLeod | 10 | -5.009 | -1.68 | -4.213 | -7.946 | -4.712 |
| 34 | Garrett Smithley | 31 | -5.138 | -1.777 | -4.321 | -8.086 | -4.831 |
| 35 | Cody Ware | 29 | -3.428 | 0.142 | -9.273 | -8.596 | -5.289 |
| 36 | Josh Bilicki | 11 | -6.548 | -3.144 | -4.309 | -7.863 | -5.466 |
| 37 | Joey Gase | 32 | -5.142 | -6.984 | -4.689 | -8.325 | -6.285 |
| 38 | David Starr | 28 | -10.65 | -4.719 | -4.278 | -8.178 | -6.956 |
| 39 | Quin Houff | 39 | -12.759 | -1.658 | -5.681 | -7.859 | -6.989 |
| 40 | Michael McDowell | 40 | 0.81 |
