← William Byron
William Byron — Career Arc
Performance trajectory across 9 Cup Series seasons.
9
Total Seasons
2023-2025
Prime Years
81
Peak Score
Career Phases
Rookie (2018-2019)
Rising (2020-2022)
Prime (2023-2025)
Twilight (2026)
Season-by-Season
| Year | Races | Wins | Avg Finish | Score |
|---|---|---|---|---|
| 2018 | 36 | 0 | 22.1 | 4 |
| 2019 | 36 | 0 | 14.9 | 26 |
| 2020 | 35 | 1 | 15.6 | 35 |
| 2021 | 36 | 1 | 13.6 | 53 |
| 2022 | 36 | 2 | 15.6 | 42 |
| 2023 | 36 | 6 | 11.0 | 81 |
| 2024 | 36 | 3 | 12.9 | 75 |
| 2025 | 36 | 3 | 14.5 | 68 |
| 2026 | 26 | 0 | 15.3 | 30 |
Frequently Asked Questions
When was William Byron's prime?
Their statistical prime was 2023-2025 with an average performance score of 75/100.
How many seasons did William Byron race in Cup?
William Byron competed in 9 Cup Series seasons from 2018 to 2026.
What is a Prime Score?
A 0-100 composite metric combining wins, top-5 rate, top-10 rate, and average finish position. It measures a driver's overall performance in a given season relative to the field.