Kentucky 2019 Fastest Laps Run
| Rank | Driver | Percentage | Finish | Laps |
|---|---|---|---|---|
| 1 | Kyle Busch | 18.3 | 2 | 40 |
| 2 | Joey Logano | 16.9 | 7 | 37 |
| 3 | Kurt Busch | 16.4 | 1 | 36 |
| 4 | Erik Jones | 9.6 | 3 | 21 |
| 5 | Aric Almirola | 6.4 | 14 | 14 |
| 6 | Brad Keselowski | 6.4 | 20 | 14 |
| 7 | William Byron | 5.9 | 18 | 13 |
| 8 | Clint Bowyer | 3.2 | 6 | 7 |
| 9 | Daniel Suarez | 3.2 | 8 | 7 |
| 10 | Ricky Stenhouse Jr | 2.7 | 12 | 6 |
| 11 | Kevin Harvick | 2.7 | 22 | 6 |
| 12 | Austin Dillon | 2.3 | 35 | 5 |
| 13 | Denny Hamlin | 1.8 | 5 | 4 |
| 14 | Alex Bowman | 1.8 | 17 | 4 |
| 15 | Jimmie Johnson | 1.8 | 30 | 4 |
| 16 | Kyle Larson | 1.4 | 4 | 3 |
| 17 | Bubba Wallace | 1.4 | 23 | 3 |
| 18 | Daniel Hemric | 1.4 | 24 | 3 |
| 19 | Quin Houff | 1.4 | 34 | 3 |
| 20 | Ryan Newman | 0.5 | 9 | 1 |
| 21 | Chase Elliott | 0.5 | 15 | 1 |
| 22 | Landon Cassill | 0.5 | 32 | 1 |
| 23 | Bayley Currey | 0.5 | 33 | 1 |
