Rio YUMIZAKI

JapanJapanActive
Born
May 1, 2006 (20 years old)
Events
1500 m · 800 m

Rio YUMIZAKI is a Japan middle-distance runner, born on May 1, 2006. She competes primarily in the 800m, 1500m and 5000m.

Her personal bests include 2:20.53 in the 800m, 4:40.45 in the 1500m and 18:10.67 in the 5000m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 1500 m4:40.45
2026 season best4:33.73May 15, 2026 · Nagai Stadium No. 2, Osaka
2026 season best
Personal best · 800 m2:20.53
Last competition2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field ChampionshipsOct 3, 2026 · 9:57.73
2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships

As of Nov 14, 2026: 1500 m 4:40.45, 800 m 2:20.53, 2026 season best 4:33.73 (May 15, 2026, Nagai Stadium No. 2, Osaka (JPN)) · Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships, Oct 3, 2026, 9:57.73 · 20 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
800mOsaka 2024Japan 800 m all-time list2:20.53824 pts–
1500mOsaka 2026Japan 1500 m all-time list4:40.45903 pts–
5000mOsaka 2026Japan 5000 m all-time list18:10.67823 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20261500m 4:33.73–May 15, 2026The 103rd Kansai Inter University Track&Field Championships
20263000m 9:57.73–Oct 3, 20262nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships
20265000m 18:10.67–Mar 21, 2026the second ICAAK track and field game
2024800m 2:20.53–May 25, 202477th Osaka Inter High School Athletics Championship, Nagai Stadium No. 2, Osaka
FAQ

Frequently asked questions

Rio YUMIZAKI's 1500 m personal best is 4:40.45, set on Mar 20, 2026 in Nagai Stadium No. 2, Osaka (JPN).

Rio YUMIZAKI competes in the 1500 m and 800 m.

2026 season best: 4:33.73, set on May 15, 2026 in Nagai Stadium No. 2, Osaka (JPN). Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships on Oct 3, 2026, 9:57.73.