Koji Suzuki

JapanJapanActive
Born
Dec 12, 2003 (22 years old)
Events
Half Marathon

Koji Suzuki is a Japan long-distance runner, born on December 12, 2003. He competes primarily in the 5000m, 10000m and Semi.

His personal bests include 13:55.95 in the 5000m, 29:26.66 in the 10000m, 1:03:28 in the Semi and 14:24 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:03:28
2026 season best13:55.95May 4, 2026 · Nishishina Athletic Stadium, Nobeoka
2026 season best
Last competitionHOKUREN Distance Challenge in KITAMIJul 11, 2026 · 14:14.54
HOKUREN Distance Challenge in KITAMI

As of Nov 13, 2026: Half Marathon 1:03:28, 2026 season best 13:55.95 (May 4, 2026, Nishishina Athletic Stadium, Nobeoka (JPN)) · Last competition: HOKUREN Distance Challenge in KITAMI, Jul 11, 2026, 14:14.54 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
5000mNobeoka 2026Japan 5000 m all-time list13:55.951,014 pts–#902
10000mAbashiri 2025Japan 10 000 m all-time list29:26.661,003 pts––
SemiTachikawa 2025Japan Half Marathon all-time list1:03:281,051 pts––
5KilometreTokyo 202514:24––

Progression

SeasonDisciplineResultWindDateCompetitions
20265000m 13:55.95–May 4, 202637th Golden Games in Nobeoka
20255Kilometre 14:24–Apr 13, 2025Adidas Tokyo City Run
202510000m 29:26.66–Jul 20, 20252025 Summer Distance Challenge, Athletic Track, Abashiri
2025Semi 1:03:28–Oct 18, 2025The 102nd Hakone Ekiden Qualifying Meet, Showa Kinen Park, Tachikawa
20245Kilometre 14:29–Feb 23, 2024ADIZERO 5K Special Race
202410000m 30:16.90–Jun 23, 2024Selection Meeting for 56th All Japan Inter-University Ekiden, Gion Stadium, Sagamihara
2024Semi 1:04:53–Mar 10, 202427th All Japan University Men's Half Marathon Championship
2023Semi 1:03:54–Oct 14, 2023The 100th Hakone Ekiden Qualifying Meet
FAQ

Frequently asked questions

Koji Suzuki's Half Marathon personal best is 1:03:28, set on Oct 18, 2025 in Showa Kinen Park, Tachikawa (JPN).

Koji Suzuki competes in the Half Marathon.

2026 season best: 13:55.95, set on May 4, 2026 in Nishishina Athletic Stadium, Nobeoka (JPN). Last competition: HOKUREN Distance Challenge in KITAMI on Jul 11, 2026, 14:14.54.