William Wynne
- Born
- Jan 30, 1990 (36 years old)
- Birthplace
- Marietta, United States
- Events
- 400 m hurdles · 110 m hurdles
William Wynne is an American hurdler born on January 30, 1990, in Marietta, Georgia. He specializes in the 400 metre hurdles and holds the world youth best in the event with youth hurdles at 49.01 seconds, smashing the previous record by 0.85 seconds.
Wynne won two gold medals and a silver medal at the 2007 World Youth Championships in Athletics in Ostrava, Czech Republic, earning him the 2007 USATF Youth Athlete of the Year award. He graduated from McEachern High School in Powder Springs, Georgia.
His world youth best demonstrated extraordinary talent at a young age. Wynne's dominance at the 2007 World Youth Championships, where he collected multiple medals, established him as one of the most promising young hurdlers in American history.
As of Oct 28, 2026: 400 m hurdles 49.31 (#498 all-time), 110 m hurdles 13.64 (#880 all-time), 2021 season best 52.02 (Apr 29, 2021, University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA)) · Last competition: Music City Track Carnival, Nashville, TN, Jun 6, 2021, DNF · 36 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2021 | 400m | 49.56 | – | Mar 27, 2021 | Ray McDonald, Sr., Track Complex, Mount Olive, NC (USA) |
| 2021 | 400mH | 52.02 | – | Apr 29, 2021 | University of North Florda Jax Track at Hodges Stadium, Jacksonville, FL (USA) |
| 2019 | 60mH Indoor | 7.85 | – | Feb 16, 2019 | Columbia, SC (USA) (i) |
| 2019 | 60mH | 7.85 | – | Feb 16, 2019 | – |
| 2019 | 110mH | 14.12 | +1.3 | Apr 6, 2019 | Elon, NC (USA) |
| 2019 | 400m | 48.79 | – | Mar 28, 2019 | Gainesville, FL (USA) |
| 2019 | 400mH | 50.12 | – | May 25, 2019 | Atlanta, GA (USA) |
| 2018 | 110mH | 14.43 | -0.2 | Mar 30, 2018 | Gainesville Florida Relays, Gainesville, FL - Open Event |