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

DisciplineResultAll-time
100mMelbourne 2025Australia 100 m all-time list11.29803 pts–
200mBendigo 2025Australia 200 m all-time list22.87810 pts–
400mhurdleBrisbane 202457.68–

Progression

SeasonDisciplineResultWindDateCompetitions
2025100m 11.29+0.6Feb 14, 2025Victorian Track and Field Championships
2025200m 22.87+0.3Jan 26, 2025Victorian Country Athletics Championships, Lar Birpa Athletics Complex, Bendigo
2024400mhurdle 57.68–Dec 7, 2024Australian All Schools Championships
FAQ

Frequently asked questions

Declan O'sullivan's 100 m personal best is 11.29, set on Feb 14, 2025 in Lakeside Stadium, Melbourne (AUS).

Declan O'sullivan competes in the 100 m.

2025 season best: 11.29, set on Feb 14, 2025 in Lakeside Stadium, Melbourne (AUS). Last competition: Victorian Track and Field Championships on Feb 22, 2025, 22.91.