KK
Kazuma Kubo

Kazuma Kubo

JPNJPNMen
Birth dateDec 9, 1996
Height-
Weight-

Kazuma Kubo is a Japan long-distance runner, born on December 9, 1996. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 14:04.68 in the 5000m, 28:49.71 in the 10000m, 1:02:25 in the Semi, 2:08:48 in the Marathon and 50:37 in the 10MilesRoa. He is currently active on the international athletics circuit, representing Japan.

Key facts
Marathon
2:08:48
Half Marathon
1:02:25
2026 season best
14:12.92
May 4, 2026 · Nishishina Athletic Stadium, Nobeoka (JPN)
2026 season best
Last competition
37th Golden Games in Nobeoka
May 4, 2026 · 14:12.92
37th Golden Games in Nobeoka
Age
29 years old

As of Sep 19, 2026: Marathon 2:08:48, Half Marathon 1:02:25, 2026 season best 14:12.92 (May 4, 2026, Nishishina Athletic Stadium, Nobeoka (JPN)) · Last competition: 37th Golden Games in Nobeoka, May 4, 2026, 14:12.92 · 29 years old

PB

Personal bests

14:04.68
28:49.71
1:02:25
2:08:48
10MilesRoa
50:37
20Kilometr
1:00:21

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
5000m
14:12.92-May 4, 2026
↑
37th Golden Games in Nobeoka
2026
Semi
1:02:27-Jan 25, 2026
↑
Osaka Half Marathon
2025
Marathon
2:11:31-Feb 24, 2025
↓
Osaka Marathon, Osaka
2024
5000m
14:07.24-May 4, 2024
↑
35th Golden Games in Nobeoka
2024
10000m
29:51.86-May 18, 2024
↓
67th Kyushu Corporate Athletics Championships
2024
10MilesRoa
50:39-Dec 1, 2024
↓
Kumamoto Kosa 10 mile Road Race
2024
Semi
1:02:25-Feb 11, 2024
↑
52nd Yamaguchi All-Corporate Half Marathon Championships
2023
5000m
14:43.41-May 4, 2023
↑
34th Golden Games
2023
10000m
29:13.83-Apr 22, 2023
↓
71st Hyogo Relay Carnival, Universiade Commemorative Stadium, Kobe - Asics Challenge
2023
Semi
1:03:48-Jan 29, 2023
↑
2023 Osaka Half Marathon, Osaka Half Marathon Course, Osaka
2023
Marathon
2:24:13-Oct 15, 2023
↓
Marathon Grand Championship - Paris 24 Selection Race, Tokyo
2022
5000m
14:04.68-May 4, 2022
↑
33rd Golden Games
2022
10000m
28:49.71-Jun 4, 2022
↓
NITTAIDAI Athletic Stadium, Yokohama (JPN)
2022
Semi
1:03:00-Jan 30, 2022
↑
Osaka (JPN)
2022
Marathon
2:08:48-Mar 6, 2022
↓
Tokyo Marathon
2021
5000m
14:26.17-Sep 19, 2021
↑
Municipal Stadium, Miyoshi (JPN)
2021
10000m
29:46.68-May 22, 2021
↓
Municipal Sayagatani Stadium, Kitakyushu (JPN)
2021
Marathon
2:08:53-Feb 28, 2021
↓
The 76th Lake Biwa Mainichi Marathon
2020
10000m
31:15.74-Oct 11, 2020
↓
Prefectural Stadium, Isahaya (JPN)
2019
5000m
14:31.23-Jun 1, 2019
↑
Kitakyushu (JPN)
2019
10MilesRoa
50:37-Dec 1, 2019
↓
Kosa 10 Mile
2017
10000m
29:20.90-Apr 22, 2017
↓
Yokohama (JPN)
2017
20Kilometr
1:00:21-Oct 14, 2017-Tachikawa (JPN)
2017
Semi
1:03:48-Feb 5, 2017
↑
Yokohama (JPN)

2026

2 performances
DisciplineResultWindDateCompetitions
5000m
14:12.92-May 437th Golden Games in Nobeoka
Semi
1:02:27-Jan 25Osaka Half Marathon

2025

1 performance
DisciplineResultWindDateCompetitions
Marathon
2:11:31-Feb 24Osaka Marathon, Osaka

2024

6 performances
DisciplineResultWindDateCompetitions
10MilesRoa
50:39-Dec 1Kumamoto Kosa 10 mile Road Race
10000m
30:21.13-Jul 17Hokuren Distance Challenge - Fukagawa
10000m
29:51.86-May 1867th Kyushu Corporate Athletics Championships
5000m
14:07.24-May 435th Golden Games in Nobeoka
10000m
30:42.11-Apr 2072nd Hyogo Relay Carnival
Semi
1:02:25-Feb 1152nd Yamaguchi All-Corporate Half Marathon Championships

2022

11 performances
DisciplineResultWindDateCompetitions
Marathon
2:09:19-Dec 4Fukuoka International Marathon
10000m
28:57.72-Oct 13rd Long Distance Meeting, Municipal Stadium, Miyoshi
5000m
14:19.30-Sep 172nd Long Distance Meeting, Municipal Stadium, Miyoshi
10000m
29:44.93-Jul 6Hokuren Distance Challenge, Athletics Stadium, Fukagawa
10000m
28:49.71-Jun 4296th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama
10000m
29:32.36-May 2165th Kyushu Corporate Teams Athletics Championships, Honjo Athletic Stadium, Kitakyushu
5000m
14:04.68-May 433rd Golden Games
5000m
14:15.38-Apr 17Asahi Record Meeting, Hakatanomori Athletic Stadium, Fukuoka
5000m
14:51.30-Apr 3Fukuoka Spring Record Meeting, Municipal Sayagatani Stadium, Kitakyushu
Marathon
2:08:48-Mar 6Tokyo Marathon
Semi
1:03:00-Jan 30Osaka Half Marathon, Osaka

2021

7 performances
DisciplineResultWindDateCompetitions
Marathon
DNF-Dec 5The 75th Fukuoka International Open Marathon Championships, Fukuoka
10000m
31:00.20-Oct 23rd Long Distance Meeting, Municipal Stadium, Miyoshi
5000m
14:26.17-Sep 192nd Long Distance Meeting, Municipal Stadium, Miyoshi
10000m
29:46.68-May 2264th Kyushu Business Group Championships, Municipal Sayagatani Stadium, Kitakyushu
5000m
14:34.02-Apr 24Spring Nobeoka Record Meeting, Nishishina Athletic Stadium, Nobeoka
5000m
14:32.30-Apr 10Western Japan Meeting, Hakatanomori Athletic Stadium, Fukuoka
Marathon
2:08:53-Feb 28The 76th Lake Biwa Mainichi Marathon

2020

2 performances
DisciplineResultWindDateCompetitions
10000m
29:30.95-Nov 21Long Distance Meeting, Kamiyugi Park Athletic Stadium, Hachioji
10000m
31:15.74-Oct 114th Night Game Meeting, Prefectural Stadium, Isahaya

2019

2 performances
DisciplineResultWindDateCompetitions
10MilesRoa
50:37-Dec 1Kosa 10 Mile
5000m
14:31.23-Jun 140th Kitakyushu City Championships, Kitakyushu

2017

5 performances
DisciplineResultWindDateCompetitions
20Kilometr
1:00:21-Oct 14Tachikawa 20 km, Tachikawa
10000m
29:23.86-Sep 23Yokohama Nittai University Distance Meet, Yokohama
10000m
29:20.90-Apr 22Yokohama Nittai University Time Trials, Yokohama
Semi
1:03:48-Mar 5Tachikawa Japanese Univ. Half Marathon Ch., Tachikawa
Semi
1:03:48-Feb 5Kanagawa Half Marathon, Kanagawa

Honours

No medals

FAQ

Frequently asked questions

What is Kazuma Kubo's Marathon personal best?

Kazuma Kubo's Marathon personal best is 2:08:48, set on Mar 6, 2022 in Tokyo (JPN).

Which events does Kazuma Kubo compete in?

Kazuma Kubo competes in the Marathon and Half Marathon.

How did Kazuma Kubo perform in 2026?

2026 season best: 14:12.92, set on May 4, 2026 in Nishishina Athletic Stadium, Nobeoka (JPN). Last competition: 37th Golden Games in Nobeoka on May 4, 2026, 14:12.92.