Deborah Mazzei

Events
800 Metres Short Track · 1500 m

Deborah Mazzei is a United States middle-distance runner. She competes primarily in the 800m, 800m and 1500m.

Her personal bests include 2:09.39 in the 800m, 2:10.12 in the 800m, 4:34.78 in the 1500m, 5:00.30 in the Mile and 3:50.54 in the 4x400m. She is currently active on the international athletics circuit, representing United States.

Personal best · 800 Metres Short Track2:18.42
2026 season best2:19.45Jan 16, 2026 · Randal Tyson Indoor Center, Fayetteville, AR
Personal best · 1500 m4:34.78
Last competitionThe Summit League Track and Field ChampionshipsMay 16, 2026 · 2:13.42

As of Nov 14, 2026: 800 Metres Short Track 2:18.42, 1500 m 4:34.78, 2026 season best 2:19.45 (Jan 16, 2026, Randal Tyson Indoor Center, Fayetteville, AR (USA)) · Last competition: The Summit League Track and Field Championships, May 16, 2026, 2:13.42

DisciplineResultAll-time2026
800mIndoorND 20262:09.391,036 pts–#320
800mND 2023United States 800 m all-time list2:10.12989 pts––
1500mAR 2025United States 1500 m all-time list4:34.78943 pts––
MileIndoorSD 20255:00.30939 pts––
4x400mAR 2026United States 4 × 400 m all-time list3:50.54––
800m-short-trackIndoorSD 20232:11.94997 pts–#632

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m Indoor2:09.39–Feb 28, 2026Summit League Indoor Track and Field Championships
2026800m-short-track Indoor2:09.39–Feb 27, 2026–
2026800m 2:10.12–Apr 24, 2026John McDonnell Invitational
2026800m-short-track 2:19.45–Jan 16, 2026Arkansas Invitational
20264x400m 3:50.54–Apr 24, 2026John McDonnell Invitational
20264x400m Indoor3:52.65–Feb 28, 2026Summit League Indoor Track and Field Championships
20261500m 4:54.74–May 16, 2026The Summit League Track and Field Championships
2026mile-short-track Indoor5:11.77–Jan 30, 2026Washburn Open
FAQ

Frequently asked questions

Deborah Mazzei's 800 Metres Short Track personal best is 2:18.42, set on Dec 3, 2022.

Deborah Mazzei competes in the 800 Metres Short Track and 1500 m.

2026 season best: 2:19.45, set on Jan 16, 2026 in Randal Tyson Indoor Center, Fayetteville, AR (USA). Last competition: The Summit League Track and Field Championships on May 16, 2026, 2:13.42.