HK

Hiroki Koyama

JPNJPNMen
Birth dateSep 25, 2003
Height-
Weight-

Hiroki Koyama is a Japan long-distance runner, born on September 25, 2003. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 14:08.40 in the 5000m, 29:41.98 in the 10000m, 1:01:03 in the Semi and 1:33:17 in the 30Kilometr. He is currently active on the international athletics circuit, representing Japan.

Key facts
Half Marathon
1:01:03
#928 all-time
30 Kilometres Road
1:33:17
2026 season best
14:52.59
Jul 8, 2026
2026 season best
Last competition
HOKUREN Distance Challenge in ABASHIRI
Jul 8, 2026 · 14:52.59
HOKUREN Distance Challenge in ABASHIRI
Age
22 years old

As of Sep 23, 2026: Half Marathon 1:01:03 (#928 all-time), 30 Kilometres Road 1:33:17, 2026 season best 14:52.59 (Jul 8, 2026) · Last competition: HOKUREN Distance Challenge in ABASHIRI, Jul 8, 2026, 14:52.59 · 22 years old

Performance Charts

Season bests

SeasonDisciplineResultWindDateTrendCompetitions
2026
5000m
14:52.59-Jul 8, 2026
↑
HOKUREN Distance Challenge in ABASHIRI
2026
CrossCount
32:18-Feb 21, 2026-18th Asian Cross Country Championships, Uminonakamichi Seaside Park Cross Country Course, Fukuoka - XC 10.0km
2025
5000m
14:08.40-Jul 16, 2025
↑
HOKUREN Distance Challenge 2025 in KITAMI, Municipal Stadium, Kitami
2025
Semi
1:01:03-Feb 2, 2025
↑
77th Kagawa Marugame International Half Marathon, Marugame
2025
30Kilometr
1:33:17-Feb 16, 2025-Kanakuri Memorial 67th kumanichi 30km Road Race
2024
Semi
1:04:27-Oct 19, 2024
↑
The 101st Hakone Ekiden Qualifying Meet, Showa Kinen Park, Tachikawa
2023
10000m
29:41.98-May 11, 2023
↑
102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier
2023
Semi
1:04:09-Oct 14, 2023
↑
The 100th Hakone Ekiden Qualifying Meet
2022
5000m
15:04.14-Apr 24, 2022
↑
NITTAIDAI Athletic Stadium, Yokohama (JPN)
2022
10000m
31:22.38-Sep 17, 2022
↑
NITTAIDAI Athletic Stadium, Yokohama (JPN)

2024

2 performances
DisciplineResultWindDateCompetitions
Semi
1:04:27-Oct 19The 101st Hakone Ekiden Qualifying Meet, Showa Kinen Park, Tachikawa
Semi
1:04:49-Jan 28Osaka Half Marathon, Osaka

2022

2 performances
DisciplineResultWindDateCompetitions
10000m
31:22.38-Sep 17298th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama
5000m
15:04.14-Apr 24294th Nippon Sport Science University Long Distance Competition, NITTAIDAI Athletic Stadium, Yokohama

Honours

No medals

FAQ

Frequently asked questions

What is Hiroki Koyama's Half Marathon personal best?

Hiroki Koyama's Half Marathon personal best is 1:01:03, set on Feb 2, 2025 in Marugame (JPN), #928 on the all-time list.

Which events does Hiroki Koyama compete in?

Hiroki Koyama competes in the Half Marathon and 30 Kilometres Road.

How did Hiroki Koyama perform in 2026?

2026 season best: 14:52.59, set on Jul 8, 2026. Last competition: HOKUREN Distance Challenge in ABASHIRI on Jul 8, 2026, 14:52.59.