Jacob Diaz

United StatesUnited StatesActive
Events
400 m

Jacob Diaz is a United States sprinter. He competes primarily in the 400m, 400m and 800m.

His personal bests include 57.15 in the 400m, 57.15 in the 400m, 1:55.66 in the 800m, 3:54.15 in the 1500m and 40.87 in the 300m. He is currently active on the international athletics circuit, representing United States.

Personal best · 400 m57.15
2026 season best57.15Jan 23, 2026 · Lied Recreation Center, Ames, IA
2026 season best
Last competitionMountain West Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CAMay 15, 2026 · 4:06.69
Mountain West Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CA

As of Nov 13, 2026: 400 m 57.15, 2026 season best 57.15 (Jan 23, 2026, Lied Recreation Center, Ames, IA (USA)) · Last competition: Mountain West Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CA, May 15, 2026, 4:06.69

Personal bests

WA points calculator →
DisciplineResultAll-time
400mIndoorIA 202657.15539 pts–
400mIA 2026United States 400 m all-time list57.15487 pts–
800mCA 2026United States 800 m all-time list1:55.66871 pts–
1500mCA 2026United States 1500 m all-time list3:54.15925 pts–
300mIndoorMN 202640.87529 pts–
300m-short-trackIndoorMN 202640.87529 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026300m Indoor40.87–Jan 31, 2026Mark Schuck Open & Multi
2026300m-short-track 40.87–Jan 31, 2026Mark Schuck Open & Multi
2026300m-short-track Indoor40.87–Jan 31, 2026Mark Schuck Open & Multi
2026400m 57.15–Jan 23, 2026Cyclone Open
2026400m Indoor57.15–Jan 23, 2026Cyclone Open
2026800m 1:55.66–Apr 17, 2026Bryan Clay Invitational
20261500m 3:54.15–May 2, 2026Fresno State Invitational, Veterans Memorial Stadium, Clovis, CA
2025800m 1:58.47–May 3, 2025Fresno State Invitational
FAQ

Frequently asked questions

Jacob Diaz's 400 m personal best is 57.15, set on Jan 23, 2026 in Lied Recreation Center, Ames, IA (USA).

Jacob Diaz competes in the 400 m.

2026 season best: 57.15, set on Jan 23, 2026 in Lied Recreation Center, Ames, IA (USA). Last competition: Mountain West Outdoor Track and Field Championships, Veterans Memorial Stadium, Clovis, CA on May 15, 2026, 4:06.69.