| NASCAR Cup Series Loop Data stats for William Byron at Michigan International 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018-15 | 14 | 8 | 13 | 5 | 20 | 9 | -9 | 18 | 27 | 18 | 100.0 | 0 | 133 | 100.0 | 0 | 0.0 | 133 | 95.5 |
| 2018-23 | 20 | 36 | 36 | 10 | 40 | 35 | 9 | 17 | 8 | 7 | 41.2 | 0 | 15 | 7.5 | 0 | 0.0 | 187 | 42.5 |
| 2019-15 | 21 | 17 | 18 | 1 | 28 | 16 | 17 | 123 | 106 | 46 | 37.4 | 4 | 89 | 43.8 | 2 | 1.0 | 203 | 65.8 |
| 2019-23 | 3 | 13 | 8 | 3 | 18 | 8 | -9 | 55 | 64 | 39 | 70.9 | 1 | 199 | 99.5 | 0 | 0.0 | 200 | 97.3 |
| 2020-21 | 19 | 14 | 14 | 7 | 22 | 16 | 2 | 98 | 96 | 21 | 21.4 | 0 | 62 | 38.5 | 0 | 0.0 | 161 | 74.5 |
| 2020-22 | 7 | 15 | 12 | 2 | 25 | 11 | -8 | 57 | 65 | 31 | 54.4 | 3 | 135 | 86.5 | 0 | 0.0 | 156 | 84.9 |
| 2021-25 | 18 | 8 | 2 | 1 | 28 | 8 | 28 | 141 | 113 | 77 | 54.6 | 25 | 177 | 88.5 | 18 | 9.0 | 200 | 114.4 |
| 2022-23 | 20 | 16 | 12 | 4 | 25 | 12 | 20 | 92 | 72 | 60 | 65.2 | 0 | 170 | 85.0 | 0 | 0.0 | 200 | 83.5 |
| 2023-23 | 7 | 35 | 35 | 7 | 19 | 29 | 0 | 29 | 29 | 23 | 79.3 | 1 | 45 | 97.8 | 0 | 0.0 | 46 | 52.2 |
| 2024-24 | 9 | 7 | 2 | 1 | 32 | 8 | 24 | 111 | 87 | 64 | 57.7 | 7 | 175 | 85.0 | 20 | 9.7 | 206 | 113.8 |
| 2025-15 | 4 | 1 | 28 | 1 | 28 | 3 | -6 | 44 | 50 | 33 | 75.0 | 24 | 194 | 97.0 | 98 | 49.0 | 200 | 116.7 |
| Average Driver Rating: | 85.6 | |||||||||||||||||
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.