William Byron
2024 Daytona 500 winner with 16 Cup wins, Byron drives the No. 24 Chevrolet for Hendrick Motorsports. He made the Championship 4 in 2024 and has emerged as one of the series' top young stars.
About William Byron
William Byron has methodically built one of the most impressive resumes in the Cup Series garage. With 16 wins across 270 starts, the Charlotte native has transformed from a raw but talented youngster into one of the most consistent front-runners in the sport, all while driving the iconic No. 24 Chevrolet at Hendrick Motorsports. Byron's rise through NASCAR's ranks was accelerated -- Trucks champion experience followed by an Xfinity stint before landing in Cup at age 20 -- but his maturation behind the wheel has been steady and deliberate. The analytical approach he brings to racing, breaking down setups and strategy with an engineer's precision, has produced a consistency that puts him in contention week after week. Daytona has been a place of triumph for Byron, with multiple victories at the World Center of Racing that demonstrate his superspeedway racecraft. But he is equally dangerous on short tracks, intermediates, and road courses, a versatility that reflects the completeness of his skill set. His relationship with crew chief Rudy Fugle has been a catalyst for his recent surge in performance, as the pair have developed a communication and trust that translates into speed on the racetrack. Byron does not generate the headlines of flashier competitors, but his results speak with an authority that demands attention. Still in the early prime of his career, Byron has the talent, the team, and the temperament to contend for championships for years to come.
Written by Richard R. Glover, NASCAR Reference

Career Highlights
- 16 career Cup wins
- 16 career pole positions
Prime years: 2023-2025 (avg score: 75/100)
9 Cup Series seasons analyzed
Performance Profile
2026 Season
Best Tracks
William Byron's best track is Martinsville Speedway with 4 wins and a 9.8 average finish in 19 races.
| Track | Races | Avg Finish |
|---|---|---|
| Martinsville Speedway | 19 | 9.8 |
| Iowa Speedway | 5 | 2.8 |
| Daytona International Speedway | 17 | 17.7 |
| Homestead-Miami Speedway | 8 | 6 |
| Texas Motor Speedway | 16 | 7.6 |
Recent Results
William Byron's most recent 20 race results across multiple series.
| Date | Series | Race | Start | Finish | +/- |
|---|---|---|---|---|---|
| May 10 | Cup | Go Bowling at The Glen | 13 | 36 | -23 |
| May 3 | Cup | Würth 400 presented by LIQUI MOLY | 15 | 8 | +7 |
| Apr 26 | Cup | Jack Link's 500 | 7 | 35 | -28 |
| Apr 19 | Cup | AdventHealth 400 | 14 | 7 | +7 |
| Apr 18 | O'Reilly | Kansas Lottery 300 | 2 | 6 | -4 |
| Apr 12 | Cup | Food City 500 | 34 | 30 | +4 |
| Mar 29 | Cup | Cook Out 400 | 2 | 5 | -3 |
| Mar 22 | Cup | Goodyear 400 | 13 | 8 | +5 |
| Mar 15 | Cup | Pennzoil 400 presented by Jiffy Lube | 9 | 3 | +6 |
| Mar 8 | Cup | Straight Talk Wireless 500 | 9 | 7 | +2 |
| Mar 7 | O'Reilly | GOVX 200 | 6 | 13 | -7 |
| Mar 1 | Cup | DuraMax Grand Prix | 10 | 13 | -3 |
| Feb 22 | Cup | Autotrader 400 | 13 | 28 | -15 |
| Feb 15 | Cup | Daytona 500 | 39 | 12 | +27 |
| Feb 12 | Cup | America 250 Florida Duel 1 | 12 | 22 | -10 |
| Nov 2 | Cup | NASCAR Cup Series Championship | 2 | 33 | -31 |
| Oct 26 | Cup | Xfinity 500 | 1 | 1st | — |
| Oct 19 | Cup | YellaWood 500 | 13 | 25 | -12 |
| Oct 12 | Cup | South Point 400 | 5 | 36 | -31 |
| Oct 5 | Cup | Bank of America ROVAL 400 | 13 | 11 | +2 |
Year-by-Year Results
William Byron has competed in 19 combined seasons, with a career average finish of 14.8.
| Season | Series | Races | Wins | Avg Start | Avg Finish |
|---|---|---|---|---|---|
| 2026 | Cup | 13 | 0 | 14.62 | 16.46 |
| 2026 | O'Reilly | 2 | 0 | 4.00 | 9.50 |
| 2025 | Cup | 36 | 3 | 9.94 | 14.36 |
| 2025 | O'Reilly | 2 | 1 | 3.50 | 1.50 |
| 2025 | Trucks | 2 | 0 | 12.00 | 8.00 |
| 2024 | Cup | 33 | 3 | 8.48 | 11.09 |
| 2024 | O'Reilly | 4 | 0 | 19.75 | 12.25 |
| 2023 | Cup | 31 | 6 | 10.94 | 8.03 |
| 2023 | O'Reilly | 1 | 0 | 9.00 | 2.00 |
| 2023 | Trucks | 3 | 0 | 8.67 | 6.00 |
| 2022 | Cup | 33 | 2 | 12.36 | 14.70 |
| 2022 | O'Reilly | 3 | 0 | 8.67 | 17.67 |
| 2022 | Trucks | 1 | 1 | 32.00 | 1.00 |
| 2021 | Cup | 31 | 1 | 9.03 | 11.00 |
| 2021 | Trucks | 1 | 0 | 10.00 | 36.00 |
| 2020 | Cup | 29 | 1 | 15.38 | 12.31 |
| 2019 | Cup | 28 | 0 | 13.93 | 12.25 |
| 2018 | Cup | 25 | 0 | 15.88 | 18.20 |
| 2017 | O'Reilly | 33 | 4 | 8.55 | 10.36 |
Season Performance Stats
NASCAR loop data -- avg running position, pass differential, driver rating, and more (2007-2022 Cup Series).
| Year | Rating | Avg Start | Avg Finish | Avg Run Pos | Pass Diff | Fast Laps | Laps Led % |
|---|---|---|---|---|---|---|---|
| 2022 | 88.80 | 13.40 | 16.50 | 13.20 | +74 | 282 | 9.90% |
| 2021 | 97.60 | 8.70 | 13.70 | 10.30 | +166 | 484 | 4.70% |
| 2020 | 84.80 | 14.90 | 16.20 | 14.80 | +261 | 206 | 1.50% |
| 2019 | 85.00 | 12.40 | 14.90 | 12.90 | +223 | 236 | 2.30% |
| 2018 | 68.10 | 17.70 | 22.10 | 18.70 | -175 | 73 | 0.70% |
NR-Rating Elo Ratings
Related Drivers
| Name | Relation |
|---|---|
| Alex Bowman | Teammate |
| Chase Elliott | Teammate |
| Kyle Larson | Teammate |
| Anthony Alfredo | Same Mfr |
| Justin Allgaier | Same Mfr |
| A.J. Allmendinger | Same Mfr |
| Tyler Ankrum | Same Mfr |
| Josh Bilicki | Same Mfr |
| Spencer Boyd | Same Mfr |
| Jeb Burton | Same Mfr |
| Kyle Busch | Same Mfr |
| Rajah Caruth | Same Mfr |