Kai Nishiido

JapanJapanActive
Born
Aug 11, 2004 (22 years old)
Events
Half Marathon

Kai Nishiido is a Japan long-distance runner, born on August 11, 2004. He competes primarily in the 3000m, 5000m and Semi.

His personal bests include 8:55.73 in the 3000m, 14:49.39 in the 5000m, 1:07:05 in the Semi and 14:40 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:07:05
2026 season best1:08:09Jan 11, 2026
2026 season best
Last competitionADIZERO 5K Tokyo ChallengeSep 27, 2026 · 14:40
ADIZERO 5K Tokyo Challenge

As of Nov 14, 2026: Half Marathon 1:07:05, 2026 season best 1:08:09 (Jan 11, 2026) · Last competition: ADIZERO 5K Tokyo Challenge, Sep 27, 2026, 14:40 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
3000mTama 2022Japan 3000 m all-time list8:55.73755 pts––
5000mKonosu 2021Japan 5000 m all-time list14:49.39842 pts––
SemiTachikawa 2024Japan Half Marathon all-time list1:07:05919 pts––
5KilometreTokyo 202614:40–#739

Progression

SeasonDisciplineResultWindDateCompetitions
20265Kilometre 14:40–Sep 27, 2026ADIZERO 5K Tokyo Challenge
2026Semi 1:08:09–Jan 11, 2026Tokyo New Year Half Marathon
2025Semi 1:11:48–Nov 16, 2025Ageo City Half Marathon
2024Semi 1:07:05–Mar 10, 202427th All Japan University Men's Half Marathon Championship
20223000m 8:55.73–Apr 2, 2022Kokushikan University Stadium, Tama (JPN)
20225000m 14:52.67–Oct 22, 2022Athletics Stadium, Konosu (JPN)
20215000m 14:49.39–Nov 6, 2021Athletics Stadium, Konosu (JPN)
FAQ

Frequently asked questions

Kai Nishiido's Half Marathon personal best is 1:07:05, set on Mar 10, 2024 in Showa Kinen Park, Tachikawa (JPN).

Kai Nishiido competes in the Half Marathon.

2026 season best: 1:08:09, set on Jan 11, 2026. Last competition: ADIZERO 5K Tokyo Challenge on Sep 27, 2026, 14:40.