Aiden Deffner

United StatesUnited States
Events
800 m

Aiden Deffner is a United States middle-distance runner. He competes primarily in the 800m, 800m-short-track and 4x800Metre.

His personal bests include 1:54.24 in the 800m, 1:57.90 in the 800m-short-track and 7:38.48 in the 4x800Metre. He is currently active on the international athletics circuit, representing United States.

Personal best · 800 m1:54.24
2025 season best1:54.24Apr 18, 2025 · Johns Hopkins/Loyola Track & Field Complex, Baltimore, MD
2025 season best
Last competitionThe Penn Relays, Franklin Field, Philadelphia, PA - Olympic DevelopmentApr 24, 2025 · 7:38.48
The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development

As of Nov 13, 2026: 800 m 1:54.24, 2025 season best 1:54.24 (Apr 18, 2025, Johns Hopkins/Loyola Track & Field Complex, Baltimore, MD (USA)) · Last competition: The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development, Apr 24, 2025, 7:38.48

Personal bests

WA points calculator →
DisciplineResultAll-time
800mMD 2025United States 800 m all-time list1:54.24909 pts–
800m-short-trackIndoorPA 20251:57.90862 pts–
4x800MetrePA 20257:38.48–

Progression

SeasonDisciplineResultWindDateCompetitions
2025800m 1:54.24–Apr 18, 2025Hopkins Loyola Invitational, Johns Hopkins/Loyola Track & Field Complex, Baltimore, MD
2025800m-short-track Indoor1:57.90–Feb 15, 2025Widener Indoor Classic
20254x800Metre 7:38.48–Apr 24, 2025The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development
2024800m 1:58.18–Apr 20, 2024Hopkins Loyola Invitational, Johns Hopkins/Loyola Track & Field Complex, Baltimore, MD
FAQ

Frequently asked questions

Aiden Deffner's 800 m personal best is 1:54.24, set on Apr 18, 2025 in Johns Hopkins/Loyola Track & Field Complex, Baltimore, MD (USA).

Aiden Deffner competes in the 800 m.

2025 season best: 1:54.24, set on Apr 18, 2025 in Johns Hopkins/Loyola Track & Field Complex, Baltimore, MD (USA). Last competition: The Penn Relays, Franklin Field, Philadelphia, PA - Olympic Development on Apr 24, 2025, 7:38.48.