Natsumi Ishizaki

JapanJapanActive
Born
May 24, 1990 (36 years old)
Events
30 Kilometres Road

Natsumi Ishizaki is a Japan long-distance runner, born on May 24, 1990. She competes primarily in the Marathon, 5Kilometre and 30Kilometr.

Her personal bests include 2:59:26 in the Marathon, 18:05 in the 5Kilometre and 2:05:21 in the 30Kilometr. She is currently active on the international athletics circuit, representing Japan.

Personal best · 30 Kilometres Road2:05:21
2026 season best2:05:55Feb 15, 2026 · Ohme
2026 season best
Last competitionADIZERO 5K Tokyo ChallengeSep 27, 2026 · 18:05
ADIZERO 5K Tokyo Challenge

As of Nov 8, 2026: 30 Kilometres Road 2:05:21, 2026 season best 2:05:55 (Feb 15, 2026, Ohme (JPN)) · Last competition: ADIZERO 5K Tokyo Challenge, Sep 27, 2026, 18:05 · 36 years old

Personal bests

WA points calculator →
DisciplineResultAll-time2026
MarathonOsaka 2026Japan Marathon all-time list2:59:26860 pts––
5KilometreTokyo 202618:05–#882
30KilometrTokyo 20252:05:21–#9

Progression

Compare me
SeasonDisciplineResultWindDateCompetitions
20265Kilometre 18:05–Sep 27, 2026ADIZERO 5K Tokyo Challenge
202630Kilometr 2:05:55–Feb 15, 202658th The Ohme 30 & 10 km Road Race, Ohme
2026Marathon 2:59:26–Jan 25, 2026Osaka Women's Marathon
202530Kilometr 2:05:21–Feb 16, 202557th The Ohme 30 & 10 km Road Race
Compare me with Natsumi Ishizaki
FAQ

Frequently asked questions

Natsumi Ishizaki's 30 Kilometres Road personal best is 2:05:21, set on Feb 16, 2025 in Tokyo (JPN).

Natsumi Ishizaki competes in the 30 Kilometres Road.

2026 season best: 2:05:55, set on Feb 15, 2026 in Ohme (JPN). Last competition: ADIZERO 5K Tokyo Challenge on Sep 27, 2026, 18:05.