Shannon O'Brien
- Events
- 800 Metres Short Track · 400 m
Shannon O'Brien is a United States sprinter. She competes primarily in the 400m, 800m and 800m-short-track.
Her personal bests include 60.56 in the 400m, 2:14.79 in the 800m, 2:15.99 in the 800m-short-track, 2:15.99 in the 800m-short-track and 60.56 in the 400m-short-track. She is currently active on the international athletics circuit, representing United States.
Personal best · 800 Metres Short Track2:15.99
2026 season best27.20Feb 7, 2026
Personal best · 400 m60.56
Last competitionBig East Indoor Track and Field ChampionshipsFeb 28, 2025 · 60.56
As of Nov 13, 2026: 800 Metres Short Track 2:15.99, 400 m 60.56, 2026 season best 27.20 (Feb 7, 2026) · Last competition: Big East Indoor Track and Field Championships, Feb 28, 2025, 60.56
Personal bests
WA points calculator →DisciplineResultAll-time
400mIndoorIL 202560.56853 pts–
800m-short-trackIndoorMA 20052:15.99937 pts–
800m-short-track20052:15.99937 pts–
400m-short-trackIndoorIL 202560.56853 pts–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 200m-short-track Indoor | 27.20 | – | Feb 7, 2026 | Fairgrounds Invitational |
| 2026 | 400m Indoor | 60.24 | – | Feb 14, 2026 | Indoor Music City Challenge |
| 2026 | 400m-short-track Indoor | 60.45 | – | Feb 27, 2026 | Big East Indoor Track and Field Championships |
| 2026 | 4x400Metre Indoor | 4:00.70 | – | Feb 7, 2026 | Fairgrounds Invitational |
| 2025 | 400m Indoor | 60.56 | – | Feb 28, 2025 | Big East Indoor Track and Field Championships |
| 2025 | 400m-short-track Indoor | 60.56 | – | Feb 28, 2025 | Big East Indoor Track and Field Championships |
| 2005 | 800m | 2:14.79 | – | May 14, 2005 | Durham, NH (USA) |
| 2005 | 800m-short-track Indoor | 2:15.99 | – | Feb 26, 2005 | Boston, MA (USA) (i) |