Machiko Iwasaki

Born
Nov 10, 2004 (22 years old)
Events
5000 m

Machiko Iwasaki is a Japan middle-distance runner, born on November 10, 2004. She competes primarily in the 1500m, 3000m and 5000m.

Her personal bests include 4:25.49 in the 1500m, 9:18.79 in the 3000m and 16:11.17 in the 5000m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 5000 m16:11.17
2025 season best16:11.17Jul 12, 2025 · Aoba Park Athletic Field, Chitose
Last competitionHOKUREN Distance Challenge 2025 in Chitose, Aoba Park Athletic Field, ChitoseJul 12, 2025 · 16:11.17

As of Nov 13, 2026: 5000 m 16:11.17, 2025 season best 16:11.17 (Jul 12, 2025, Aoba Park Athletic Field, Chitose (JPN)) · Last competition: HOKUREN Distance Challenge 2025 in Chitose, Aoba Park Athletic Field, Chitose, Jul 12, 2025, 16:11.17 · 22 years old

DisciplineResultAll-time
1500mSagamihara 2023Japan 1500 m all-time list4:25.491,010 pts–
3000mYokohama 2022Japan 3000 m all-time list9:18.791,044 pts–
5000mChitose 2025Japan 5000 m all-time list16:11.171,030 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
20255000m 16:11.17–Jul 12, 2025HOKUREN Distance Challenge 2025 in Chitose, Aoba Park Athletic Field, Chitose
20243000m 9:23.76–Apr 27, 2024The 8th NITTAIDAI Challenge Games, NITTAIDAI Athletic Stadium, Yokohama
20245000m 16:17.49–May 12, 2024The 103th Kanto Inter-University Track&Field Championships, National Stadium, Tokyo
20231500m 4:25.49–May 12, 2023102nd Kanto Inter-University Track & Field Championships, Gion Stadium, Sagamihara - 2nd Tier
20233000m 9:28.73–Apr 22, 20231st Nittaidai Challenge Games, NITTAIDAI Athletic Stadium, Yokohama
20235000m 16:30.70–Sep 22, 202334th Kanto University Rookies Athletics Championships, Gion Stadium, Sagamihara
20223000m 9:18.79–Dec 3, 2022NITTAIDAI Athletic Stadium, Yokohama (JPN)
20211500m 4:38.47–Jun 19, 2021Athletic Field, Kitakami (JPN)
FAQ

Frequently asked questions

Machiko Iwasaki's 5000 m personal best is 16:11.17, set on Jul 12, 2025 in Aoba Park Athletic Field, Chitose (JPN).

Machiko Iwasaki competes in the 5000 m.

2025 season best: 16:11.17, set on Jul 12, 2025 in Aoba Park Athletic Field, Chitose (JPN). Last competition: HOKUREN Distance Challenge 2025 in Chitose, Aoba Park Athletic Field, Chitose on Jul 12, 2025, 16:11.17.