Las Vegas #2 2021 Speed By Segment
| Rank | Driver | Finish | Q1 | Q2 | Q3 | Q4 | Total |
|---|---|---|---|---|---|---|---|
| 1 | William Byron | 18 | 1.922 | 2.126 | 2.264 | 1.768 | 2.02 |
| 2 | Denny Hamlin | 1 | 2.545 | 1.971 | 1.73 | 1.689 | 1.984 |
| 3 | Chase Elliott | 2 | 1.438 | 1.839 | 2.542 | 1.822 | 1.91 |
| 4 | Kyle Busch | 3 | 2.584 | 2.167 | 1.03 | 1.179 | 1.74 |
| 5 | Kyle Larson | 10 | 2.657 | 2.395 | 0.838 | 0.98 | 1.718 |
| 6 | Ryan Blaney | 5 | 2.307 | 1.576 | 1.33 | 1.228 | 1.61 |
| 7 | Tyler Reddick | 6 | 1.271 | 1.639 | 1.448 | 0.723 | 1.27 |
| 8 | Martin Truex Jr | 4 | 0.88 | 0.946 | 1.657 | 0.81 | 1.073 |
| 9 | Matt DiBenedetto | 12 | 1.544 | 1.044 | 0.555 | 0.687 | 0.958 |
| 10 | Kevin Harvick | 9 | 1.542 | 0.714 | 0.52 | 0.594 | 0.843 |
| 11 | Brad Keselowski | 7 | 0.852 | 0.525 | 0.773 | 0.847 | 0.749 |
| 12 | Alex Bowman | 22 | 0.724 | 1.199 | 0.36 | 0.685 | 0.742 |
| 13 | Joey Logano | 11 | 0.865 | 0.771 | 0.568 | 0.222 | 0.607 |
| 14 | Kurt Busch | 8 | 0.398 | 0.66 | 0.656 | 0.696 | 0.603 |
| 15 | Christopher Bell | 24 | -0.04 | -0.227 | 0.814 | -0.46 | 0.022 |
| 16 | Austin Dillon | 13 | 0.53 | 0.005 | 0.328 | -0.793 | 0.018 |
| 17 | Chase Briscoe | 14 | 0.383 | -0.211 | -0.039 | -0.136 | -0.001 |
| 18 | Erik Jones | 26 | 0.966 | -0.495 | -0.945 | -0.121 | -0.149 |
| 19 | Chris Buescher | 25 | -1.963 | 0.118 | 1.302 | -0.257 | -0.2 |
| 20 | Bubba Wallace | 16 | -0.134 | -0.155 | -0.007 | -0.744 | -0.26 |
| 21 | Ross Chastain | 23 | -0.247 | -0.917 | -0.609 | -0.208 | -0.495 |
| 22 | Ricky Stenhouse Jr | 17 | -0.654 | -1.375 | -0.621 | -0.031 | -0.67 |
| 23 | Aric Almirola | 19 | -0.577 | -0.176 | -0.602 | -1.403 | -0.69 |
| 24 | Ryan Newman | 20 | -0.347 | -0.709 | -0.298 | -1.689 | -0.761 |
| 25 | Daniel Suarez | 15 | -1.288 | -0.52 | -0.686 | -0.722 | -0.804 |
| 26 | Michael McDowell | 21 | -0.298 | -0.89 | -1.259 | -1.042 | -0.872 |
| 27 | Anthony Alfredo | 27 | -1.123 | -1.097 | -1.049 | -0.484 | -0.938 |
| 28 | Ryan Preece | 28 | -0.895 | -1.062 | -1.063 | -0.964 | -0.996 |
| 29 | Corey Lajoie | 30 | -1.19 | -1.128 | -0.844 | -1.113 | -1.069 |
| 30 | Cole Custer | 29 | -1.466 | -0.833 | -0.862 | -1.727 | -1.222 |
| 31 | Justin Haley | 32 | -3.188 | -4.013 | -3.864 | -4.762 | -3.957 |
| 32 | Cody Ware | 31 | -3.048 | -3.415 | -4.614 | -5.606 | -4.171 |
| 33 | BJ McLeod | 33 | -4.425 | -6.539 | -6.109 | -7.847 | -6.23 |
| 34 | Quin Houff | 34 | -8.226 | -7.519 | -7.169 | -9.487 | -8.1 |
| 35 | Garrett Smithley | 35 | -6.244 | -8.323 | -8.49 | -9.539 | -8.149 |
| 36 | Josh Bilicki | 36 | -6.803 | -8.971 | -7.874 | -10.136 | -8.446 |
| 37 | Joey Gase | 37 | -9.946 | -7.991 | |||
| 38 | JJ Yeley | 38 | -10.075 | -12.985 |
