Mimi Duffy

United StatesUnited StatesActive
Events
300 Metres Short Track · 400 Metres Short Track

Mimi Duffy is a United States sprinter. She competes primarily in the 200m, 400m and 4x400m.

Her personal bests include 24.71 in the 200m, 56.07 in the 400m, 3:36.10 in the 4x400m, 3:42.52 in the 4x400Metre and 3:36.84 in the 4x400Metre. She is currently active on the international athletics circuit, representing United States.

Personal best · 300 Metres Short Track40.05
2026 season best7.81Jan 30, 2026 · Ashenfelter Indoor Track, State College, PA (USA) (i)
2026 season best
Personal best · 400 Metres Short Track57.18
Last competitionLarry Ellis InvitationalMay 2, 2026 · 56.86
Larry Ellis Invitational

As of Nov 15, 2026: 300 Metres Short Track 40.05, 400 Metres Short Track 57.18, 2026 season best 7.81 (Jan 30, 2026, Ashenfelter Indoor Track, State College, PA (USA) (i)) · Last competition: Larry Ellis Invitational, May 2, 2026, 56.86

Personal bests

WA points calculator →
DisciplineResultAll-time2026
200mNJ 2025United States 200 m all-time list24.71969 pts––
400mNJ 2025United States 400 m all-time list56.07974 pts––
4x400mVA 2025United States 4 × 400 m all-time list3:36.10–#871
4x400MetrePA 20263:42.52–#914
4x400MetreIndoorIN 20253:36.84––
60mIndoorPA 20267.81954 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
202660m Indoor7.81–Jan 30, 2026Penn State National Open
202660m 7.81–Jan 30, 2026Penn State National Open
2026200m 24.82+0.0Apr 12, 2026Bison Outdoor Classic
2026200m-short-track 25.07–Jan 24, 2026Penn Elite
2026200m-short-track Indoor25.12–Feb 20, 2026Penn State Tune Up, Ashenfelter Indoor Track, State College, PA (i)
2026400m 56.86–May 2, 2026Larry Ellis Invitational
2026400m-short-track 57.18–Jan 30, 2026Penn State National Open
2026400m-short-track Indoor57.24–Feb 7, 2026Sykes Sabock Challenge
FAQ

Frequently asked questions

Mimi Duffy's 300 Metres Short Track personal best is 40.05, set on Jan 18, 2025 in Ashenfelter Indoor Track, State College, PA (USA) (i).

Mimi Duffy competes in the 300 Metres Short Track and 400 Metres Short Track.

2026 season best: 7.81, set on Jan 30, 2026 in Ashenfelter Indoor Track, State College, PA (USA) (i). Last competition: Larry Ellis Invitational on May 2, 2026, 56.86.