Driver · Cup · O'Reilly · Trucks
William Byron
- Seasons2020–2026
- Races267
- Official wins17
- TLS race leads21
- Led TLS, didn't win14
- Laps led4,173
- TLS season titles2025 Cup
Career TLS by season
| Season | Series | TLS rank | TLS points | Avg / race | Races | Wins | TLS leads | ARP | Laps led |
|---|---|---|---|---|---|---|---|---|---|
| 2026 | Cup | 10 / 41 | 211,061 | 6,596 | 32 | 0 | 1 | 12.87 | 176 |
| 2026 | O'Reilly | (i) | – | – | 3 | 0 | 0 | – | 1 |
| 2025 | Cup | 1 / 48 | 264,673 | 7,562 | 35 | 2 | 4 | 10.57 | 1,026 |
| 2025 | Xfinity | (i) | – | – | 2 | 1 | 0 | – | 74 |
| 2025 | Trucks | (i) | – | – | 2 | 0 | 0 | – | 4 |
| 2024 | Cup | 4 / 44 | 258,129 | 7,170 | 36 | 3 | 3 | 11.79 | 357 |
| 2024 | Xfinity | (i) | – | – | 4 | 0 | 0 | – | 32 |
| 2023 | Cup | 2 / 49 | 252,795 | 7,022 | 36 | 6 | 8 | 9.98 | 1,016 |
| 2023 | Xfinity | (i) | – | – | 1 | 0 | 0 | – | 1 |
| 2023 | Trucks | (i) | – | – | 3 | 0 | 0 | – | 17 |
| 2022 | Cup | 6 / 45 | 240,533 | 6,681 | 36 | 2 | 3 | 11.31 | 746 |
| 2022 | Xfinity | (i) | – | – | 3 | 0 | 0 | – | 64 |
| 2022 | Trucks | (i) | – | – | 1 | 1 | 0 | – | 94 |
| 2021 | Cup | 4 / 48 | 266,827 | 7,412 | 36 | 1 | 2 | 9.71 | 425 |
| 2021 | Trucks | (i) | – | – | 1 | 0 | 0 | – | 0 |
| 2020 | Cup | 14 / 44 | 249,978 | 6,944 | 36 | 1 | 0 | 13.52 | 140 |
TLS rank is the driver's place in that season's TrueLapScore standings. (i) = entered as ineligible for driver points in that series, so TLS doesn't count their laps.
Recent races
official win TLS race lead
Robbed: led TLS but didn't win
Races where William Byron scored the most TrueLapScore points in the field but didn't take the checkered flag. Worst finishes first.
| Date | Race | Finish | TLS points | Margin | Official winner |
|---|---|---|---|---|---|
| 2025-06-08 | FireKeepers Casino 400 Michigan International Speedway | P28 | 6,911 | +579 | Denny Hamlin |
| 2023-04-02 | Toyota Owners 400 Richmond Raceway | P24 | 13,899 | +227 | Kyle Larson |
| 2023-07-23 | HighPoint.com 400 Pocono Raceway | P14 | 4,998 | +79 | Denny Hamlin |
| 2021-10-10 | Bank of America ROVAL 400 Charlotte Motor Speedway Road Course | P11 | 3,823 | +71 | Kyle Larson |
| 2022-09-25 | AutoTrader EchoPark Automotive 500 Texas Motor Speedway | P7 | 10,162 | +861 | Tyler Reddick |
| 2024-11-03 | XFINITY 500 Martinsville Speedway | P6 | 17,359 | +664 | Ryan Blaney |
| 2023-03-26 | EchoPark Automotive Grand Prix Circuit of The Americas | P5 | 2,813 | +53 | Tyler Reddick |
| 2026-07-05 | eero 400 Chicagoland Speedway | P4 | 9,587 | +392 | Chase Briscoe |
| 2023-10-22 | 4EVER 400 Presented by Mobil 1 Homestead-Miami Speedway | P4 | 8,949 | +68 | Christopher Bell |
| 2025-03-16 | Pennzoil 400 presented by Jiffy Lube Las Vegas Motor Speedway | P4 | 7,900 | +12 | Josh Berry |