Harper Diaz

United StatesUnited StatesActive
Events
400 m

Harper Diaz is a United States sprinter. She competes primarily in the 400m, 800m and Mile.

Her personal bests include 60.51 in the 400m, 2:11.78 in the 800m and 5:00.99 in the Mile. She ranks 4742nd all-time in the 400m for United States. She is currently active on the international athletics circuit, representing United States.

Personal best · 400 m60.51
#4742 in United States
2026 season best2:11.78Apr 18, 2026 · Hilmer Lodge Stadium, Walnut, CA
2026 season best
Last competitionMt. SAC RelaysApr 18, 2026 · 2:11.78
Mt. SAC Relays

As of Nov 14, 2026: 400 m 60.51, 2026 season best 2:11.78 (Apr 18, 2026, Hilmer Lodge Stadium, Walnut, CA (USA)) · Last competition: Mt. SAC Relays, Apr 18, 2026, 2:11.78

Personal bests

WA points calculator →
DisciplineResultAll-time2026
400mCA 2023United States 400 m all-time list60.51820 pts––
800mCA 2026United States 800 m all-time list2:11.78961 pts––
MileCA 2026United States Mile all-time list5:00.99907 pts–#543

Progression

SeasonDisciplineResultWindDateCompetitions
2026800m 2:11.78–Apr 18, 2026Mt. SAC Relays
2026Mile 5:00.99–Apr 17, 2026Mt. SAC Relays
2025Mile 5:01.32–Apr 18, 2025Mt. SAC Relays, Hilmer Lodge Stadium, Walnut, CA - Invitational Events
2023400m 60.51–Jun 3, 2023USATF San Diego-Imperial Association Championships
FAQ

Frequently asked questions

Harper Diaz's 400 m personal best is 60.51, set on Jun 3, 2023 in San Diego State University, San Diego, CA (USA).

Harper Diaz competes in the 400 m.

2026 season best: 2:11.78, set on Apr 18, 2026 in Hilmer Lodge Stadium, Walnut, CA (USA). Last competition: Mt. SAC Relays on Apr 18, 2026, 2:11.78.