Henry Koike-sieira

United StatesUnited StatesActive
Events
3000 Metres Short Track

Henry Koike-sieira is a United States middle-distance runner. He competes primarily in the 1500m, 3000m and 5000m.

His personal bests include 3:53.19 in the 1500m, 8:09.79 in the 3000m, 14:13.57 in the 5000m, 14:17.65 in the 5000m and 8:09.79 in the 3000m-short-track. He is currently active on the international athletics circuit, representing United States.

Personal best · 3000 Metres Short Track8:09.79
2026 season best8:09.79Feb 13, 2026 · Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)
2026 season best
Last competitionIvy League Heptagonal Outdoor Track and Field ChampionshipsMay 17, 2026 · 14:52.91
Ivy League Heptagonal Outdoor Track and Field Championships

As of Nov 15, 2026: 3000 Metres Short Track 8:09.79, 2026 season best 8:09.79 (Feb 13, 2026, Boston Univ. Track & Tennis Center, Boston, MA (USA) (i)) · Last competition: Ivy League Heptagonal Outdoor Track and Field Championships, May 17, 2026, 14:52.91

Personal bests

WA points calculator →
DisciplineResultAll-time2026
1500mNJ 2026United States 1500 m all-time list3:53.19937 pts––
3000mIndoorMA 20268:09.791,021 pts–#631
5000mIndoorNY 202614:13.57997 pts–#219
5000mPA 2026United States 5000 m all-time list14:17.65942 pts––
3000m-short-trackIndoorMA 20268:09.791,021 pts–#630
5000m-short-trackIndoorNY 202614:13.57997 pts–#332

Progression

SeasonDisciplineResultWindDateCompetitions
20261500m 3:53.19–May 1, 2026Larry Ellis Invitational
20263000m Indoor8:09.79–Feb 13, 2026Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i)
20263000m-short-track Indoor8:09.79–Feb 13, 2026Boston University David Hemery Valentine Invitational, Boston Univ. Track & Tennis Center, Boston, MA (i)
20265000m-short-track Indoor14:13.57–Mar 1, 2026Ivy League Heptagonal Track and Field Championships
20265000m-short-track 14:17.52–Jan 24, 2026Dr. Sander Scorcher
20265000m Indoor14:17.65–Apr 23, 2026Penn Relay Carnival, Franklin Field, Philadelphia, PA - College Events
20265000m 14:17.65–Apr 23, 2026Penn Relay Carnival, Franklin Field, Philadelphia, PA - College Events
20253000m-short-track Indoor8:29.30–Jan 24, 2025Dr. Sander Scorcher
FAQ

Frequently asked questions

Henry Koike-sieira's 3000 Metres Short Track personal best is 8:09.79, set on Feb 13, 2026 in Boston Univ. Track & Tennis Center, Boston, MA (USA) (i).

Henry Koike-sieira competes in the 3000 Metres Short Track.

2026 season best: 8:09.79, set on Feb 13, 2026 in Boston Univ. Track & Tennis Center, Boston, MA (USA) (i). Last competition: Ivy League Heptagonal Outdoor Track and Field Championships on May 17, 2026, 14:52.91.