Sean Flemming

United StatesUnited StatesActive
Events
1500 Metres Short Track · Mile Short Track

Sean Flemming is a United States middle-distance runner. He competes primarily in the 1500m, 1500m and Mile.

His personal bests include 3:51.75 in the 1500m, 3:54.27 in the 1500m, 4:10.81 in the Mile, 4:16.03 in the Mile and 8:25.08 in the 3000m. He is currently active on the international athletics circuit, representing United States.

Personal best · 1500 Metres Short Track3:57.45
2026 season best3:57.45Jan 24, 2026 · Boston Univ. Track & Tennis Center, Boston, MA
2026 season best
Personal best · Mile Short Track4:12.35
Last competitionSean Collier InvitationalApr 17, 2026 · 3:54.27
Sean Collier Invitational

As of Nov 14, 2026: 1500 Metres Short Track 3:57.45, Mile Short Track 4:12.35, 2026 season best 3:57.45 (Jan 24, 2026, Boston Univ. Track & Tennis Center, Boston, MA (USA)) · Last competition: Sean Collier Invitational, Apr 17, 2026, 3:54.27

Personal bests

WA points calculator →
DisciplineResultAll-time2026
1500mIndoorMA 20263:51.75999 pts–#417
1500mMA 2026United States 1500 m all-time list3:54.27924 pts––
MileIndoorMA 20264:10.81995 pts–#988
MileMA 2025United States Mile all-time list4:16.03887 pts––
3000mIndoorMA 20258:25.08933 pts––
1500m-short-trackMA 20263:57.45927 pts–#495

Progression

SeasonDisciplineResultWindDateCompetitions
20261500m-short-track Indoor3:51.75–Feb 22, 2026Saucony Battle for Boston, Boston Univ. Track & Tennis Center, Boston, MA (i)
20261500m Indoor3:54.27–Apr 17, 2026Sean Collier Invitational
20261500m 3:54.27–Apr 17, 2026Sean Collier Invitational
20261500m-short-track 3:57.45–Jan 24, 2026Boston University Bruce Lehane Scarlet and White Invitational
2026Mile Indoor4:10.81–Feb 22, 2026Saucony Battle for Boston, Boston Univ. Track & Tennis Center, Boston, MA (i)
2026mile-short-track Indoor4:10.81–Feb 22, 2026Saucony Battle for Boston, Boston Univ. Track & Tennis Center, Boston, MA (i)
2026mile-short-track 4:12.35–Jan 31, 2026Boston University John Thomas Terrier Classic
20263000m-short-track Indoor8:32.70–Jan 17, 2026Beantown Challenge
FAQ

Frequently asked questions

Sean Flemming's 1500 Metres Short Track personal best is 3:57.45, set on Jan 24, 2026 in Boston Univ. Track & Tennis Center, Boston, MA (USA).

Sean Flemming competes in the 1500 Metres Short Track and Mile Short Track.

2026 season best: 3:57.45, set on Jan 24, 2026 in Boston Univ. Track & Tennis Center, Boston, MA (USA). Last competition: Sean Collier Invitational on Apr 17, 2026, 3:54.27.