Lily O'brien

United StatesUnited StatesActive
Events
Triple Jump

Lily O'brien is a United States sprinter. She competes primarily in the 200m, 800m and 100mH.

Her personal bests include 25.36 in the 200m, 2:24.87 in the 800m, 15.49 in the 100mH, 1.55 in the HJ and 5.41 in the LJ. She is currently active on the international athletics circuit, representing United States.

Personal best · Triple Jump9.09
2026 season best9.09Jan 30, 2026 · Harvard-Gordon Track and Tennis Center, Cambridge, MA
2026 season best
Last competitionUSA U20 ChampionshipsJun 19, 2026 · 4658
USA U20 Championships

As of Nov 13, 2026: Triple Jump 9.09, 2026 season best 9.09 (Jan 30, 2026, Harvard-Gordon Track and Tennis Center, Cambridge, MA (USA)) · Last competition: USA U20 Championships, Jun 19, 2026, 4658

Personal bests

WA points calculator →
DisciplineResultAll-time2026
200mOR 2026United States 200 m all-time list25.36909 pts––
800mOR 2026United States 800 m all-time list2:24.87760 pts––
100mHOR 2026United States 100 m hurdles all-time list15.49*837 pts––
HJOR 2026United States High Jump all-time list1.55782 pts––
LJOR 2026United States Long Jump all-time list5.41871 pts––
TJMA 2026United States Triple Jump all-time list9.09625 pts––

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2026HJ 1.55–Jun 18, 2026USA U20 Championships
2026LJ 5.41+1.8Jun 18, 2026USA U20 Championships
2026TJ Indoor9.09–Jan 30, 2026Harvard Invitational
2026TJ 9.09–Jan 30, 2026Harvard Invitational
2026SP 9.67–Jun 18, 2026USA U20 Championships
2026100mH 15.49+3.0Jun 18, 2026USA U20 Championships
2026200m 25.36+0.6Jun 18, 2026USA U20 Championships
2026JT 26.34–Jun 19, 2026USA U20 Championships
FAQ

Frequently asked questions

Lily O'brien's Triple Jump personal best is 9.09, set on Jan 30, 2026 in Harvard-Gordon Track and Tennis Center, Cambridge, MA (USA).

Lily O'brien competes in the Triple Jump.

2026 season best: 9.09, set on Jan 30, 2026 in Harvard-Gordon Track and Tennis Center, Cambridge, MA (USA). Last competition: USA U20 Championships on Jun 19, 2026, 4658.