Alonzo Sims

United StatesUnited StatesActive
Born
Feb 10, 2004 (22 years old)
Events
400 Metres Short Track · 400 m hurdles

Alonzo Sims is a United States sprinter, born on February 10, 2004. He competes primarily in the 200m, 400m and 400mH.

His personal bests include 21.87 in the 200m, 48.33 in the 400m, 51.85 in the 400mH, 42.76 in the 4x100m and 3:12.98 in the 4x400m. He is currently active on the international athletics circuit, representing United States.

Personal best · 400 Metres Short Track48.36
2026 season best48.96Jan 30, 2026 · Ott Center for Track & Field, Philadelphia, PA
2026 season best
Personal best · 400 m hurdles51.85
Last competitionMid-Eastern Athletic Conference Outdoor Track & Field ChampionshipsMay 16, 2026 · 52.28
Mid-Eastern Athletic Conference Outdoor Track & Field Championships

As of Nov 13, 2026: 400 Metres Short Track 48.36, 400 m hurdles 51.85, 2026 season best 48.96 (Jan 30, 2026, Ott Center for Track & Field, Philadelphia, PA (USA)) · Last competition: Mid-Eastern Athletic Conference Outdoor Track & Field Championships, May 16, 2026, 52.28 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
200mSC 2023United States 200 m all-time list21.87943 pts––
400mMD 2025United States 400 m all-time list48.33960 pts––
400mHNJ 2026United States 400 m hurdles all-time list51.851,040 pts–#667
4x100mNJ 2026United States 4 × 100 m all-time list42.76––
4x400mVA 2026United States 4 × 400 m all-time list3:12.98––
4x400MetreIndoorVA 20263:14.76––

Progression

SeasonDisciplineResultWindDateCompetitions
20264x100m 42.76–Apr 4, 2026Sam Howell Invitational
2026400m-short-track 48.96–Jan 30, 2026Penn Invitational
2026400m Indoor48.96–Jan 30, 2026Penn Invitational
2026400m-short-track Indoor49.06–Feb 22, 2026Mid-Eastern Athletic Conference Indoor Track & Field Championships, Virginia Beach Sports Center, Virginia Beach, VA (i)
2026400mH 51.85–May 2, 2026Larry Ellis Invitational
2026500Metres Indoor1:06.17–Jan 16, 2026NYC Gotham Cup
2026500m-short-track 1:06.17–Jan 16, 2026NYC Gotham Cup
2026500m-short-track Indoor1:06.17–Jan 16, 2026NYC Gotham Cup
FAQ

Frequently asked questions

Alonzo Sims's 400 Metres Short Track personal best is 48.36, set on Mar 19, 2022.

Alonzo Sims competes in the 400 Metres Short Track and 400 m hurdles.

2026 season best: 48.96, set on Jan 30, 2026 in Ott Center for Track & Field, Philadelphia, PA (USA). Last competition: Mid-Eastern Athletic Conference Outdoor Track & Field Championships on May 16, 2026, 52.28.