Kotarou Kodama

JapanJapanActive
Born
Mar 21, 2005 (21 years old)
Events
Half Marathon · 10 000 m

Kotarou Kodama is a Japan long-distance runner, born on March 21, 2005. He competes primarily in the 3000m, 5000m and 10000m.

His personal bests include 8:55.54 in the 3000m, 14:41.49 in the 5000m, 29:05.91 in the 10000m, 1:02:27 in the Semi and 14:43 in the 5Kilometre. He is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:02:27
2025 season best1:02:27Nov 16, 2025 · Ageo
2025 season best
Personal best · 10 000 m29:05.91
Last competitionAgeo City Half MarathonNov 16, 2025 · 1:02:27
Ageo City Half Marathon

As of Nov 13, 2026: Half Marathon 1:02:27, 10 000 m 29:05.91, 2025 season best 1:02:27 (Nov 16, 2025, Ageo (JPN)) · Last competition: Ageo City Half Marathon, Nov 16, 2025, 1:02:27 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
3000mSuita 2021Japan 3000 m all-time list8:55.54755 pts–
5000mOsaka 2022Japan 5000 m all-time list14:41.49867 pts–
10000mTokyo 2025Japan 10 000 m all-time list29:05.911,033 pts–
SemiAgeo 2025Japan Half Marathon all-time list1:02:271,090 pts–
5KilometreTokyo 202314:43–

Progression

SeasonDisciplineResultWindDateCompetitions
202510000m 29:05.91–Oct 4, 20251st Setagaya Track and Field Meet in 2025, Athletics Stadium, Setagaya, Tokyo
2025Semi 1:02:27–Nov 16, 2025Ageo City Half Marathon
202410000m 29:43.50–Nov 16, 20242024 Autumn Distance Challenge, Gion Stadium, Sagamihara
20235Kilometre 14:43–Mar 26, 2023Adidas Tokyo City Race
20225000m 14:41.49–Apr 3, 2022Nagai Stadium No. 2, Osaka (JPN)
20213000m 8:55.54–Mar 21, 2021Expo '70 Stadium, Suita (JPN)
FAQ

Frequently asked questions

Kotarou Kodama's Half Marathon personal best is 1:02:27, set on Nov 16, 2025 in Ageo (JPN).

Kotarou Kodama competes in the Half Marathon and 10 000 m.

2025 season best: 1:02:27, set on Nov 16, 2025 in Ageo (JPN). Last competition: Ageo City Half Marathon on Nov 16, 2025, 1:02:27.