Carter Diamond

Events
400 m

Carter Diamond is a United States sprinter. He competes primarily in the 400m, 4x100m and 4x400m.

His personal bests include 48.14 in the 400m, 41.59 in the 4x100m, 3:13.16 in the 4x400m, 3:21.55 in the 4x400Metre and 3:20.00 in the 4x400Metre. He is currently active on the international athletics circuit, representing United States.

Personal best · 400 m48.14
2026 season best48.14May 1, 2026 · Carnie Smith Stadium - Prentice Gudgen Track, Pittsburg, KS
Last competitionMIAA Outdoor ChampionshipsMay 3, 2026 · 3:13.16

As of Nov 14, 2026: 400 m 48.14, 2026 season best 48.14 (May 1, 2026, Carnie Smith Stadium - Prentice Gudgen Track, Pittsburg, KS (USA)) · Last competition: MIAA Outdoor Championships, May 3, 2026, 3:13.16

DisciplineResultAll-time2026
400mKS 2026United States 400 m all-time list48.14972 pts––
4x400mKS 2026United States 4 × 400 m all-time list3:13.16––
4x400MetreNE 20263:21.55––
4x400MetreIndoorKS 20263:20.00––
400m-short-trackIndoorKS 202648.88987 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
2026200m 21.99-0.2Apr 19, 2026–
20264x100m 41.59–May 3, 2026MIAA Outdoor Championships
2026400m 48.14–May 1, 2026MIAA Outdoor Championships
2026400m Indoor48.48–Feb 27, 2026MIAA Indoor Championships
2026400m-short-track Indoor48.88–Feb 14, 2026Ichabod Invitational
2026600m-short-track Indoor1:23.09–Jan 17, 2026Graduate Classic
2026600m-short-track 1:23.09–Jan 17, 2026Graduate Classic
2026600m Indoor1:23.09–Jan 17, 2026Graduate Classic
FAQ

Frequently asked questions

Carter Diamond's 400 m personal best is 48.14, set on May 1, 2026 in Carnie Smith Stadium - Prentice Gudgen Track, Pittsburg, KS (USA).

Carter Diamond competes in the 400 m.

2026 season best: 48.14, set on May 1, 2026 in Carnie Smith Stadium - Prentice Gudgen Track, Pittsburg, KS (USA). Last competition: MIAA Outdoor Championships on May 3, 2026, 3:13.16.