Nayu HAYASHI

JapanJapanActive
Born
Dec 27, 2004 (21 years old)
Events
Half Marathon · 3000 m

Nayu HAYASHI is a Japan middle-distance runner, born on December 27, 2004. She competes primarily in the 1500m, 3000m and Semi.

Her personal bests include 4:31.14 in the 1500m, 9:41.55 in the 3000m and 1:17:10 in the Semi. She is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:17:10
2026 season best1:17:10Jan 25, 2026 · Osaka Half Marathon Course, Osaka
2026 season best
Personal best · 3000 m9:41.55
Last competition2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field ChampionshipsOct 3, 2026 · 18:45.45
2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships

As of Nov 14, 2026: Half Marathon 1:17:10, 3000 m 9:41.55, 2026 season best 1:17:10 (Jan 25, 2026, Osaka Half Marathon Course, Osaka (JPN)) · Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships, Oct 3, 2026, 18:45.45 · 21 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
1500mNagoya 2020Japan 1500 m all-time list4:31.14969 pts–
3000mYokohama 2022Japan 3000 m all-time list9:41.55971 pts–
SemiOsaka 2026Japan Half Marathon all-time list1:17:10987 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20265000m 18:45.45–Oct 3, 20262nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships
2026Semi 1:17:10–Jan 25, 2026Osaka Half Marathon
20231500m 4:40.88–May 24, 2023100th Kansai Inter-University Championships
20221500m 4:36.97–Jun 4, 2022NITTAIDAI Athletic Stadium, Yokohama (JPN)
20223000m 9:41.55–Oct 1, 2022NITTAIDAI Athletic Stadium, Yokohama (JPN)
20211500m 4:34.49–Jun 5, 2021NITTAIDAI Athletic Stadium, Yokohama (JPN)
20213000m 9:55.57–Jun 20, 2021Prefectural Stadium, Ise (JPN)
20201500m 4:31.14–Jul 19, 2020Municipal Mizuho Stadium, Nagoya (JPN)
FAQ

Frequently asked questions

Nayu HAYASHI's Half Marathon personal best is 1:17:10, set on Jan 25, 2026 in Osaka Half Marathon Course, Osaka (JPN).

Nayu HAYASHI competes in the Half Marathon and 3000 m.

2026 season best: 1:17:10, set on Jan 25, 2026 in Osaka Half Marathon Course, Osaka (JPN). Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships on Oct 3, 2026, 18:45.45.