Tomoko Horioka

Tomoko Horioka

JapanJapan
Born
Mar 27, 1984 (42 years old)
Events
10 000 m · 5000 m

Tomoko Horioka is a Japan middle-distance runner, born on March 27, 1984. She competes primarily in the 1500m, 3000m and 5000m.

Her personal bests include 4:33.98 in the 1500m, 9:10.47 in the 3000m, 15:35.31 in the 5000m, 32:22.08 in the 10000m and 2:41:00 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · 10 000 m32:22.08
2025 season best2:43:31Jan 26, 2025 · Osaka
2025 season best
Personal best · 5000 m15:35.31
Last competitionOsaka Women's MarathonJan 26, 2025 · 2:43:31
Osaka Women's Marathon

As of Nov 14, 2026: 10 000 m 32:22.08, 5000 m 15:35.31, 2025 season best 2:43:31 (Jan 26, 2025, Osaka (JPN)) · Last competition: Osaka Women's Marathon, Jan 26, 2025, 2:43:31 · 42 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
1500mBrisbane 2004Japan 1500 m all-time list4:33.98948 pts–
3000mKushiro 2004Japan 3000 m all-time list9:10.471,071 pts–
5000mKumagaya 2004Japan 5000 m all-time list15:35.311,096 pts–
10000mOsaka 2004Japan 10 000 m all-time list32:22.081,120 pts–
MarathonOsaka 2021Japan Marathon all-time list2:41:001,017 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025Marathon 2:43:31–Jan 26, 2025Osaka Women's Marathon
2024Marathon 2:48:13–Feb 25, 2024Osaka Marathon
2023Marathon 2:44:58–Feb 26, 2023Osaka Marathon
2022Marathon 2:41:32–Jan 30, 2022Osaka Women's Marathon
2021Marathon 2:41:00–Jan 31, 2021Osaka Women's Marathon
2020Marathon 2:45:25–Jan 26, 2020Osaka Women's Marathon
2019Marathon 2:53:58–Oct 13, 2019Bank of America Chicago Marathon, Chicago, IL
2016Marathon 2:49:06–Oct 30, 2016Osaka (JPN)
FAQ

Frequently asked questions

Tomoko Horioka's 10 000 m personal best is 32:22.08, set on May 21, 2004 in Osaka (JPN).

Tomoko Horioka competes in the 10 000 m and 5000 m.

2025 season best: 2:43:31, set on Jan 26, 2025 in Osaka (JPN). Last competition: Osaka Women's Marathon on Jan 26, 2025, 2:43:31.