Isaiah Thomas

United StatesUnited StatesActive
Events
400 m

Isaiah Thomas is a United States sprinter. He competes primarily in the 400m, 4x400m and 4x400Metre.

His personal bests include 49.40 in the 400m, 3:12.31 in the 4x400m, 3:11.48 in the 4x400Metre, 3:12.84 in the 4x400Metre and 49.40 in the 400m-short-track. He is currently active on the international athletics circuit, representing United States.

Personal best · 400 m49.40
2026 season best49.41Feb 14, 2026 · CrossPlex Athletic Facility, Birmingham, AL (USA) (i)
2026 season best
Last competitionAlumni Bulldog RelaysMar 28, 2026 · DNS
Alumni Bulldog Relays

As of Nov 13, 2026: 400 m 49.40, 2026 season best 49.41 (Feb 14, 2026, CrossPlex Athletic Facility, Birmingham, AL (USA) (i)) · Last competition: Alumni Bulldog Relays, Mar 28, 2026, DNS

Personal bests

WA points calculator →
DisciplineResultAll-time2026
400mIndoorAL 202649.40955 pts––
4x400mIndoorTN 20263:12.31–#47
4x400MetreIndoorAL 20263:11.48–#574
4x400MetreAR 20263:12.84–#337
400m-short-trackIndoorAL 202649.40955 pts––
400m-short-trackAR 202649.44952 pts––

Progression

SeasonDisciplineResultWindDateCompetitions
2026400m-short-track Indoor49.40–Feb 23, 2026Sun Belt Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)
2026400m Indoor49.41–Feb 14, 2026Indoor Music City Challenge
2026400m-short-track 49.44–Jan 16, 2026Arkansas Invitational
20264x400Metre Indoor3:11.48–Feb 24, 2026Sun Belt Indoor Championships, CrossPlex Athletic Facility, Birmingham, AL (i)
20264x400m Indoor3:12.31–Feb 14, 2026Indoor Music City Challenge
20264x400Metre 3:12.84–Jan 16, 2026Arkansas Invitational
FAQ

Frequently asked questions

Isaiah Thomas's 400 m personal best is 49.40, set on Feb 23, 2026 in CrossPlex Athletic Facility, Birmingham, AL (USA) (i).

Isaiah Thomas competes in the 400 m.

2026 season best: 49.41, set on Feb 14, 2026 in CrossPlex Athletic Facility, Birmingham, AL (USA) (i). Last competition: Alumni Bulldog Relays on Mar 28, 2026, DNS.