Liam O'Neill

United StatesUnited StatesActive
Events
1000 Metres Short Track · 800 m

Liam O'Neill is a United States middle-distance runner. He competes primarily in the 800m, 1500m and Mile.

His personal bests include 1:52.62 in the 800m, 4:00.76 in the 1500m, 4:26.96 in the Mile, 9:52.49 in the 3000mSt and 6:07.04 in the 2000Metres. He is currently active on the international athletics circuit, representing United States.

Personal best · 1000 Metres Short Track2:37.42
2026 season best2:37.42Jan 17, 2026 · Harvard-Gordon Track and Tennis Center, Cambridge, MA
2026 season best
Personal best · 800 m1:52.62
Last competitionFriar InvitationalApr 10, 2026 · DNF
Friar Invitational

As of Nov 13, 2026: 1000 Metres Short Track 2:37.42, 800 m 1:52.62, 2026 season best 2:37.42 (Jan 17, 2026, Harvard-Gordon Track and Tennis Center, Cambridge, MA (USA)) · Last competition: Friar Invitational, Apr 10, 2026, DNF

Personal bests

WA points calculator →
DisciplineResultAll-time2026
800mCT 2025United States 800 m all-time list1:52.62953 pts––
1500mMA 2025United States 1500 m all-time list4:00.76846 pts––
MileIndoorNY 20254:26.96809 pts––
3000mStMA 2025United States 3000 m steeplechase all-time list9:52.49789 pts––
2000MetresPA 20246:07.04––
800m-short-trackIndoorMA 20251:54.66949 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m 1:55.86–Apr 10, 2026Friar Invitational
20261000m-short-track Indoor2:31.83–Mar 6, 2026NEICAAA Indoor Track & Field Championships
20261000m Indoor2:31.83–Mar 6, 2026NEICAAA Indoor Track & Field Championships
20261000m-short-track 2:37.42–Jan 17, 2026Beantown Challenge
2025800m 1:52.62–May 16, 2025Big East Outdoor Track and Field Championships
2025800m-short-track Indoor1:54.66–Feb 14, 2025Boston University David Hemery Valentine Invitational
20251000m-short-track Indoor2:27.36–Mar 8, 2025IC4A/ECAC Indoor Track and Field Championships, Boston Univ. Track & Tennis Center, Boston, MA (i) - Open Event
20251000m Indoor2:27.36–Mar 8, 2025IC4A/ECAC Indoor Track and Field Championships, Boston Univ. Track & Tennis Center, Boston, MA (i) - Open Event
FAQ

Frequently asked questions

Liam O'Neill's 1000 Metres Short Track personal best is 2:37.42, set on Jan 17, 2026 in Harvard-Gordon Track and Tennis Center, Cambridge, MA (USA).

Liam O'Neill competes in the 1000 Metres Short Track and 800 m.

2026 season best: 2:37.42, set on Jan 17, 2026 in Harvard-Gordon Track and Tennis Center, Cambridge, MA (USA). Last competition: Friar Invitational on Apr 10, 2026, DNF.