Miyu Niiyama

JapanJapanActive
Born
Oct 12, 2004 (22 years old)
Events
Half Marathon

Miyu Niiyama is a Japan middle-distance runner, born on October 12, 2004. She competes primarily in the 1500m, 3000m and 5000m.

Her personal bests include 4:46.87 in the 1500m, 10:02.31 in the 3000m, 17:49.44 in the 5000m, 36:13.26 in the 10000m and 1:13:25 in the Semi. She is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:13:25
2026 season best1:13:25Jan 25, 2026 · Osaka Half Marathon Course, Osaka
2026 season best
Last competition2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field ChampionshipsOct 3, 2026 · 17:13.17
2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships

As of Nov 14, 2026: Half Marathon 1:13:25, 2026 season best 1:13:25 (Jan 25, 2026, Osaka Half Marathon Course, Osaka (JPN)) · Last competition: 2nd Kansai Distance Challenge Kansai Inter-Corporate Track & Field Championships, Oct 3, 2026, 17:13.17 · 22 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
1500mKobe 2022Japan 1500 m all-time list4:46.87859 pts––
3000mKyoto 2021Japan 3000 m all-time list10:02.31907 pts––
5000mUji 2025Japan 5000 m all-time list17:49.44858 pts––
10000mOsaka 2025Japan 10 000 m all-time list36:13.26927 pts–#641
SemiOsaka 2026Japan Half Marathon all-time list1:13:251,061 pts–#582

Progression

SeasonDisciplineResultWindDateCompetitions
20265000m 17:04.26–May 16, 2026The 103rd Kansai Inter University Track&Field Championships
202610000m 35:02.95–Mar 20, 2026the second ICAAK track and field game
2026Semi 1:13:25–Jan 25, 2026Osaka Half Marathon
20255000m 17:49.44–Apr 6, 202589th Kyoto Inter University Track&Field Championships, Yamashiro Park Stadium, Uji
202510000m 36:13.26–May 4, 2025The 102nd Kansai Inter University Track&Field Championships
2025Semi 1:19:03–Jan 26, 2025Osaka Half Marathon
20221500m 4:46.87–Oct 15, 2022Universiade Commemorative Stadium, Kobe (JPN)
20223000m 10:03.14–Apr 29, 2022Mikio Oda Memorial Athletics Meet, Municipal Stadium, Hiroshima
FAQ

Frequently asked questions

Miyu Niiyama's Half Marathon personal best is 1:13:25, set on Jan 25, 2026 in Osaka Half Marathon Course, Osaka (JPN).

Miyu Niiyama competes in the Half Marathon.

2026 season best: 1:13:25, 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, 17:13.17.