Masaki Chiba

Born
Jul 18, 2008 (18 years old)
Events
1500 m

Masaki Chiba is a Japan middle-distance runner, born on July 18, 2008. She competes primarily in the 800m, 1500m and 3000m.

Her personal bests include 2:20.45 in the 800m, 4:49.44 in the 1500m and 10:07.67 in the 3000m. She ranks 2814th all-time in the 1500m for Japan. She is currently active on the international athletics circuit, representing Japan.

Personal best · 1500 m4:49.44
2025 season best2:20.45Jun 15, 2025 · New Aomori Sports Park, Aomori
Last competitionThe 40th Tohoku High School Newcomers Athletics ChampionshipsSep 26, 2025 · 10:07.67

As of Nov 14, 2026: 1500 m 4:49.44, 2025 season best 2:20.45 (Jun 15, 2025, New Aomori Sports Park, Aomori (JPN)) · Last competition: The 40th Tohoku High School Newcomers Athletics Championships, Sep 26, 2025, 10:07.67 · 18 years old

DisciplineResultAll-time
800mAomori 2025Japan 800 m all-time list2:20.45826 pts–
1500mFukushima 2024Japan 1500 m all-time list4:49.44841 pts–
3000mRifu 2025Japan 3000 m all-time list10:07.67891 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2025800m 2:20.45–Jun 15, 202580th Tohoku High School Meeting, New Aomori Sports Park, Aomori
20253000m 10:07.67–Sep 26, 2025The 40th Tohoku High School Newcomers Athletics Championships
20241500m 4:49.44–Jun 14, 202479th Tohoku High School Meeting, Azuma Stadium, Fukushima
20243000m 10:22.99–Sep 28, 202429th Tohoku High School Rookies' Championships
FAQ

Frequently asked questions

Masaki Chiba's 1500 m personal best is 4:49.44, set on Jun 14, 2024 in Azuma Stadium, Fukushima (JPN).

Masaki Chiba competes in the 1500 m.

2025 season best: 2:20.45, set on Jun 15, 2025 in New Aomori Sports Park, Aomori (JPN). Last competition: The 40th Tohoku High School Newcomers Athletics Championships on Sep 26, 2025, 10:07.67.