Natsuki Tomii

JapanJapanActive
Born
Jun 18, 1996 (30 years old)
Events
Marathon · Half Marathon

Natsuki Tomii is a Japan long-distance runner, born on June 18, 1996. She competes primarily in the Semi and Marathon.

Her personal bests include 1:19:56 in the Semi and 2:44:54 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:44:54
2026 season best1:22:15Jan 11, 2026
2026 season best
Personal best · Half Marathon1:19:56
Last competitionTokyo New Year Half MarathonJan 11, 2026 · 1:22:15
Tokyo New Year Half Marathon

As of Nov 14, 2026: Marathon 2:44:54, Half Marathon 1:19:56, 2026 season best 1:22:15 (Jan 11, 2026) · Last competition: Tokyo New Year Half Marathon, Jan 11, 2026, 1:22:15 · 30 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
SemiTokyo 2024Japan Half Marathon all-time list1:19:56935 pts–
MarathonTokyo 2024Japan Marathon all-time list2:44:54983 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Semi 1:22:15–Jan 11, 2026Tokyo New Year Half Marathon
2025Marathon 2:46:40–Mar 2, 2025Tokyo Marathon
2024Semi 1:19:56–Oct 20, 2024Tokyo Legacy Half Marathon
2024Marathon 2:44:54–Mar 3, 2024Tokyo Marathon
2023Marathon 2:47:01–Jan 29, 2023Osaka Women's Marathon, Osaka
2022Marathon 2:51:33–Jan 30, 2022Osaka Women's Marathon
2021Marathon 3:01:46–Mar 14, 2021Nagoya Women's Marathon
FAQ

Frequently asked questions

Natsuki Tomii's Marathon personal best is 2:44:54, set on Mar 3, 2024 in Tokyo (JPN).

Natsuki Tomii competes in the Marathon and Half Marathon.

2026 season best: 1:22:15, set on Jan 11, 2026. Last competition: Tokyo New Year Half Marathon on Jan 11, 2026, 1:22:15.