| NASCAR Cup Series Loop Data stats for William Byron at Bristol Motor Speedway
Click on the Race to see results for that race. |
| Race | Start | Mid Race | Finish | High Pos. | Low Pos. | Avg. Pos. | Pass Diff. | Green Flag Passes | Green Flag Times Passed | Quality Passes | Pct. Quality Passes | Fastest Lap | Top 15 Laps | Pct. Top 15 Laps | Laps Led | Pct. Laps Led | Total Laps | DRIVER RATING |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018-08 | 11 | 12 | 18 | 5 | 22 | 15 | -10 | 64 | 74 | 37 | 57.8 | 4 | 260 | 52.0 | 0 | 0.0 | 498 | 69.7 |
| 2018-24 | 5 | 24 | 23 | 4 | 25 | 22 | -21 | 41 | 62 | 15 | 36.6 | 0 | 20 | 4.0 | 0 | 0.0 | 496 | 58.7 |
| 2019-08 | 2 | 17 | 16 | 2 | 34 | 17 | 5 | 61 | 56 | 16 | 26.2 | 1 | 149 | 29.8 | 0 | 0.0 | 500 | 64.7 |
| 2019-24 | 21 | 5 | 21 | 3 | 25 | 17 | 12 | 66 | 54 | 25 | 37.9 | 0 | 176 | 35.5 | 0 | 0.0 | 496 | 66.2 |
| 2020-09 | 13 | 7 | 8 | 1 | 33 | 14 | 26 | 131 | 105 | 67 | 51.1 | 23 | 302 | 60.4 | 0 | 0.0 | 500 | 87.0 |
| 2020-29 | 15 | 37 | 38 | 3 | 20 | 25 | 0 | 39 | 39 | 38 | 97.4 | 8 | 230 | 99.1 | 0 | 0.0 | 232 | 57.3 |
| 2021-29 | 14 | 4 | 3 | 2 | 18 | 8 | 21 | 72 | 51 | 72 | 100.0 | 19 | 500 | 100.0 | 0 | 0.0 | 500 | 104.8 |
| 2022-29 | 16 | 7 | 3 | 2 | 23 | 9 | 9 | 89 | 80 | 69 | 77.5 | 7 | 424 | 84.8 | 0 | 0.0 | 500 | 99.3 |
| 2023-29 | 3 | 8 | 9 | 2 | 13 | 7 | 2 | 34 | 32 | 34 | 100.0 | 3 | 500 | 100.0 | 0 | 0.0 | 500 | 99.1 |
| 2024-05 | 8 | 35 | 35 | 5 | 36 | 34 | -29 | 8 | 37 | 7 | 87.5 | 30 | 16 | 3.3 | 0 | 0.0 | 492 | 39.2 |
| 2024-29 | 3 | 11 | 17 | 2 | 17 | 9 | -16 | 40 | 56 | 36 | 90.0 | 5 | 488 | 97.8 | 0 | 0.0 | 499 | 81.7 |
| 2025-09 | 26 | 11 | 6 | 4 | 26 | 12 | 13 | 66 | 53 | 27 | 40.9 | 15 | 316 | 63.2 | 0 | 0.0 | 500 | 93.1 |
| 2025-29 | 7 | 19 | 12 | 2 | 29 | 13 | 8 | 126 | 118 | 72 | 57.1 | 2 | 292 | 58.4 | 0 | 0.0 | 500 | 87.1 |
| 2026-08 | 34 | 32 | 30 | 25 | 36 | 33 | 2 | 12 | 10 | 0 | 0.0 | 0 | 0 | 0.0 | 0 | 0.0 | 500 | 32.8 |
| Average Driver Rating: | 74.3 | |||||||||||||||||
Green Flag Passes: Green flag passes for position.
Pass Diff.: Difference between Green Flag Passes and Green Flag Times Passed.
Quality Passes: Number of times passing a car running in the Top 15 while under a green flag.
Fastest Lap: How many times a driver had the fastest lap of all drivers.
Driver Rating: A formula combining the following categories: Win, Finish, Top-15 Finish, Average Running Position while on Lead Lap, Average Speed Under Green, Fastest Lap, Led Most Laps, Lead-Lap Finish. Maximum: 150 points per race.