Declan O'sullivan
- Born
- Jan 1, 2007 (19 years old)
- Events
- 100 m
Declan O'sullivan is a Australia sprinter, born on January 1, 2007. He competes primarily in the 100m, 200m and 400mhurdle.
His personal bests include 11.29 in the 100m, 22.87 in the 200m and 57.68 in the 400mhurdle. He is currently active on the international athletics circuit, representing Australia.
Personal best · 100 m11.29
2025 season best11.29Feb 14, 2025 · Lakeside Stadium, Melbourne
Last competitionVictorian Track and Field ChampionshipsFeb 22, 2025 · 22.91
As of Nov 14, 2026: 100 m 11.29, 2025 season best 11.29 (Feb 14, 2025, Lakeside Stadium, Melbourne (AUS)) · Last competition: Victorian Track and Field Championships, Feb 22, 2025, 22.91 · 19 years old
Personal bests
WA points calculator →DisciplineResultAll-time
400mhurdleBrisbane 202457.68–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2025 | 100m | 11.29 | +0.6 | Feb 14, 2025 | Victorian Track and Field Championships |
| 2025 | 200m | 22.87 | +0.3 | Jan 26, 2025 | Victorian Country Athletics Championships, Lar Birpa Athletics Complex, Bendigo |
| 2024 | 400mhurdle | 57.68 | – | Dec 7, 2024 | Australian All Schools Championships |