Tilly O'sullivan

New ZealandNew ZealandActive
Born
Mar 20, 2009 (17 years old)
Events
400 m

Tilly O'sullivan is a New Zealand sprinter, born on March 20, 2009. She competes primarily in the 400m.

Her personal bests include 58.63 in the 400m. She is currently active on the international athletics circuit, representing New Zealand.

Personal best · 400 m58.63
2025 season best60.94Dec 5, 2025 · Mitre10 Sports Park, Hastings
2025 season best
Last competitionNew Zealand Secondary Schools Track& Field ChampionshipsDec 5, 2025 · 60.94
New Zealand Secondary Schools Track& Field Championships

As of Nov 14, 2026: 400 m 58.63, 2025 season best 60.94 (Dec 5, 2025, Mitre10 Sports Park, Hastings (NZL)) · Last competition: New Zealand Secondary Schools Track& Field Championships, Dec 5, 2025, 60.94 · 17 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
400mWellington 2024New Zealand 400 m all-time list58.63884 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025400m 60.94–Dec 5, 2025New Zealand Secondary Schools Track& Field Championships
2024400m 58.63–Mar 16, 2024New Zealand U16 Championships, Newtown Park Stadium, Wellington
FAQ

Frequently asked questions

Tilly O'sullivan's 400 m personal best is 58.63, set on Mar 16, 2024 in Newtown Park Stadium, Wellington (NZL).

Tilly O'sullivan competes in the 400 m.

2025 season best: 60.94, set on Dec 5, 2025 in Mitre10 Sports Park, Hastings (NZL). Last competition: New Zealand Secondary Schools Track& Field Championships on Dec 5, 2025, 60.94.