Sean O'Neill

Sean O'Neill

United StatesUnited States
Events
500 Metres Short Track · 800 Metres Short Track

Sean O'Neill is a United States sprinter. He competes primarily in the 400m, 400m and 800m.

His personal bests include 50.68 in the 400m, 49.92 in the 400m, 1:52.82 in the 800m, 1:54.25 in the 800m-short-track and 1:54.25 in the 800m-short-track. He is currently active on the international athletics circuit, representing United States.

Personal best · 500 Metres Short Track1:04.71
2023 season best1:05.47Feb 4, 2023 · Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)
2023 season best
Personal best · 800 Metres Short Track1:54.25
Last competitionIC4A/ECAC Outdoor Track & Field Championships, George Mason Stadium, Fairfax, VAMay 13, 2023 · 1:59.02
IC4A/ECAC Outdoor Track & Field Championships, George Mason Stadium, Fairfax, VA

As of Nov 13, 2026: 500 Metres Short Track 1:04.71, 800 Metres Short Track 1:54.25, 2023 season best 1:05.47 (Feb 4, 2023, Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)) · Last competition: IC4A/ECAC Outdoor Track & Field Championships, George Mason Stadium, Fairfax, VA, May 13, 2023, 1:59.02

Personal bests

WA points calculator →
DisciplineResultAll-time
400m2019United States 400 m all-time list50.68819 pts–
400mIndoorMA 202249.92923 pts–
800mNY 2023United States 800 m all-time list1:52.82947 pts–
800m-short-trackIndoorMA 20201:54.25960 pts–
800m-short-track20201:54.25960 pts–
4x800MetreIndoorMA 20197:40.04–

Progression

SeasonDisciplineResultWindDateCompetitions
2023500m-short-track Indoor1:05.47–Feb 4, 2023Boston University Bruce Lehane Scarlet and White Invite
2023500Metres Indoor1:05.47–Feb 4, 2023Boston University Bruce Lehane Scarlet and White Invite
2023800m 1:52.82–May 6, 2023America East Outdoor Championships
2023DistanceMe Indoor9:51.42–Feb 18, 2023America East Indoor Championships
2022400m-short-track 49.92–Feb 12, 2022–
2022400m Indoor49.92–Feb 12, 2022Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)
2022400m-short-track Indoor49.92–Feb 12, 2022Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)
2022500m-short-track 1:06.64–Feb 5, 2022–
FAQ

Frequently asked questions

Sean O'Neill's 500 Metres Short Track personal best is 1:04.71, set on Feb 22, 2020.

Sean O'Neill competes in the 500 Metres Short Track and 800 Metres Short Track.

2023 season best: 1:05.47, set on Feb 4, 2023 in Boston Univ. Track & Tennis Center, Boston, MA (USA) (i). Last competition: IC4A/ECAC Outdoor Track & Field Championships, George Mason Stadium, Fairfax, VA on May 13, 2023, 1:59.02.