HN

Haruki Niizuma

JPNJPNMen
Birth dateMay 17, 2007
Height-
Weight-

Haruki Niizuma is a Japan middle-distance runner, born on May 17, 2007. He competes primarily in the 1500m, 3000m and 5000m.

His personal bests include 3:40.83 in the 1500m, 8:02.57 in the 3000m, 13:35.33 in the 5000m, 2:30.88 in the 1000m and 4:06.3h in the MileRoad. He is currently active on the international athletics circuit, representing Japan.

Key facts
1500 m
3:40.83
5000 m
13:35.33
2026 season best
3:45.52
Apr 11, 2026 · Egao Kenko Stadium, Kumamoto (JPN)
2026 season best
Last competition
3rd Waseda University track and field meet
Jul 5, 2026 · 8:17.16
3rd Waseda University track and field meet
Age
19 years old

As of Sep 19, 2026: 1500 m 3:40.83, 5000 m 13:35.33, 2026 season best 3:45.52 (Apr 11, 2026, Egao Kenko Stadium, Kumamoto (JPN)) · Last competition: 3rd Waseda University track and field meet, Jul 5, 2026, 8:17.16 · 19 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
MileRoad
4:11.3h-Jun 20, 2026-Ginza Road Mile, Tokyo
2026
1500m
3:45.52-Apr 11, 2026
↓
34rd Kanakuri Memorial Middle and Long Distance Invitational Meet
2026
3000m
8:02.57-Mar 21, 2026
↑
Spring Trial in Waseda
2026
5000m
13:54.91-Apr 5, 2026
↓
The 59th Tokyo Big6 Track Field League
2026
CrossCount
24:31-Jan 10, 2026-46th World Athletics Cross Country Championships
2025
1500m
3:40.83-Jul 25, 2025
↓
2025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
2025
5000m
13:35.33-Oct 3, 2025
↓
Japan Games, Athletic Stadium, Hikone
2024
5000m
13:41.68-Nov 30, 2024
↓
13th NITTAIDAI Challenge Games
2023
3000m
8:07.47-Oct 17, 2023
↑
National Sports Festival
2022
1000m
2:30.88-Oct 21, 2022
↑
Ehime Athletics Stadium, Matsuyama (JPN)
2022
3000m
8:16.78-Oct 10, 2022
↑
77th National Sports Festival
2021
1000m
2:32.83-Oct 22, 2021
↑
Ehime Athletics Stadium, Matsuyama (JPN)

2026

12 performances
DisciplineResultWindDateCompetitions
3000m
8:17.16-Jul 53rd Waseda University track and field meet
1500m
3:53.57-Jul 53rd Waseda University track and field meet
MileRoad
4:11.3HT-Jun 20Ginza Road Mile, Tokyo
MileRoad
4:11.3HT-Jun 20Ginza Road Mile, Tokyo
5000m
13:58.97-Jun 12Japanese Championships
1500m
3:51.72-May 3022nd Asian U20 Athletics Championships
5000m
13:55.60-May 437th Golden Games in Nobeoka
1500m
3:45.52-Apr 1134rd Kanakuri Memorial Middle and Long Distance Invitational Meet
5000m
13:54.91-Apr 5The 59th Tokyo Big6 Track Field League
3000m
8:02.57-Mar 21Spring Trial in Waseda
MileRoad
4:06.3HT-Mar 14Fukuoka Ohori Road Runnig
CrossCount
24:31-Jan 1046th World Athletics Cross Country Championships

2025

13 performances
DisciplineResultWindDateCompetitions
5000m
13:35.33-Oct 5Japan Games, Athletic Stadium, Hikone
5000m
13:35.33-Oct 3Japan Games, Athletic Stadium, Hikone
1500m
3:49.03-Aug 27the 33rd China-Japan-Korea Junior Exchange Meet - Athletics Competition
1500m
3:50.12-Aug 25the 33rd China-Japan-Korea Junior Exchange Meet - Athletics Competition
5000m
13:50.05-Jul 272025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
1500m
3:40.83-Jul 262025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
5000m
13:50.05-Jul 262025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
1500m
3:40.83-Jul 252025 All Japan High School sports Track and Field Championships, Prefectural Stadium, Hiroshima
5000m
13:58.16-Jun 1578th National High School Track and Field Championships Kinki Regional Qualifiers
1500m
3:43.94-Jun 1378th National High School Track and Field Championships Kinki Regional Qualifiers
5000m
13:58.16-Jun 1378th National High School Track and Field Championships Kinki Regional Qualifiers
1500m
3:49.05-Jun 1378th National High School Track and Field Championships Kinki Regional Qualifiers
1500m
3:49.05-Jun 1278th National High School Track and Field Championships Kinki Regional Qualifiers

2023

4 performances
DisciplineResultWindDateCompetitions
3000m
8:07.47-Oct 17National Sports Festival
3000m
8:18.02-Oct 16National Sports Festival
3000m
8:18.02-Oct 13National Sports Festival
3000m
8:07.47-Oct 13National Sports Festival

2022

8 performances
DisciplineResultWindDateCompetitions
1000m
2:30.88-Oct 21Japan U16 Championships, Ehime Athletics Stadium, Matsuyama
3000m
8:16.78-Oct 1077th National Sports Festival
3000m
8:20.11-Oct 1077th National Sports Festival
3000m
8:20.11-Oct 977th National Sports Festival
1000m
2:31.39-Aug 27JOC Junior Olympic Cup U16 Competition Selection Meeting, Athletic Stadium, Kakogawa
1000m
2:31.97-Aug 27JOC Junior Olympic Cup U16 Competition Selection Meeting, Athletic Stadium, Kakogawa
3000m
8:37.67-May 376th Hyogo Prefectural Athletic Tournament, Universiade Commemorative Stadium, Kobe
3000m
8:36.84-Apr 2470th Hyogo Relay Carnival

2021

2 performances
DisciplineResultWindDateCompetitions
1000m
2:33.10-Oct 22Japan U16 Championships, Ehime Athletics Stadium, Matsuyama
1000m
2:32.83-Oct 22Japan U16 Championships, Ehime Athletics Stadium, Matsuyama

Honours

No medals

FAQ

Frequently asked questions

What is Haruki Niizuma's 1500 m personal best?

Haruki Niizuma's 1500 m personal best is 3:40.83, set on Jul 25, 2025 in Prefectural Stadium, Hiroshima (JPN).

Which events does Haruki Niizuma compete in?

Haruki Niizuma competes in the 1500 m and 5000 m.

How did Haruki Niizuma perform in 2026?

2026 season best: 3:45.52, set on Apr 11, 2026 in Egao Kenko Stadium, Kumamoto (JPN). Last competition: 3rd Waseda University track and field meet on Jul 5, 2026, 8:17.16.