Kosuke Nii

Kosuke Nii

JapanJapan
Born
Apr 5, 1997 (29 years old)
Events
10 000 m · 20 Kilometres Road

Kosuke Nii is a Japan long-distance runner, born on April 5, 1997. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 16:03.36 in the 5000m, 28:56.00 in the 10000m, 1:05:45 in the Semi, 47:13 in the 15Kilometr and 1:01:46 in the 20Kilometr. He is currently active on the international athletics circuit, representing Japan.

Personal best · 10 000 m28:56.00
2019 season best30:15.80Mar 30, 2019 · Hachioji
2019 season best
Personal best · 20 Kilometres Road1:01:46
Last competitionHokuren Distance ChallengeJul 22, 2019 · 16:03.36
Hokuren Distance Challenge

As of Nov 13, 2026: 10 000 m 28:56.00, 20 Kilometres Road 1:01:46, 2019 season best 30:15.80 (Mar 30, 2019, Hachioji (JPN)) · Last competition: Hokuren Distance Challenge, Jul 22, 2019, 16:03.36 · 29 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
5000mAbashiri 2019Japan 5000 m all-time list16:03.36631 pts–
10000mYokohama 2016Japan 10 000 m all-time list28:56.001,048 pts–
SemiTachikawa 2018Japan Half Marathon all-time list1:05:45966 pts–
15KilometrNY 201847:13–
20KilometrTachikawa 20161:01:46–

Progression

SeasonDisciplineResultWindDateCompetitions
20195000m 16:03.36–Jul 22, 2019Hokuren Distance Challenge
201910000m 30:15.80–Mar 30, 2019Hachioji (JPN)
2019Semi 1:05:56–Mar 10, 2019Half Marathon
201810000m 30:36.61–Nov 24, 2018Kawasaki (JPN)
201815Kilometr 47:13–Jul 8, 2018Utica Boilermaker
2018Semi 1:05:45–Oct 13, 2018Tachikawa (JPN)
201610000m 28:56.00–Dec 3, 2016Yokohama (JPN)
201620Kilometr 1:01:46–Oct 16, 2016Tachikawa (JPN)
FAQ

Frequently asked questions

Kosuke Nii's 10 000 m personal best is 28:56.00, set on Dec 3, 2016 in Yokohama (JPN).

Kosuke Nii competes in the 10 000 m and 20 Kilometres Road.

2019 season best: 30:15.80, set on Mar 30, 2019 in Hachioji (JPN). Last competition: Hokuren Distance Challenge on Jul 22, 2019, 16:03.36.