Natsumi Tokunaga

Natsumi Tokunaga

JapanJapanActive
Born
Aug 24, 1997 (29 years old)
Events
Half Marathon · 3000 m steeplechase

Natsumi Tokunaga is a Japan long-distance runner, born on August 24, 1997. She competes primarily in the 10000m, Semi and 3000mSt.

Her personal bests include 38:36.42 in the 10000m, 1:23:17 in the Semi and 11:55.39 in the 3000mSt. She is currently active on the international athletics circuit, representing Japan.

Personal best · Half Marathon1:23:17
2026 season best1:23:17Feb 1, 2026 · Marugame
2026 season best
Personal best · 3000 m steeplechase11:55.39
Last competition78th Kagawa Marugame International Half MarathonFeb 1, 2026 · 1:23:17
78th Kagawa Marugame International Half Marathon

As of Nov 15, 2026: Half Marathon 1:23:17, 3000 m steeplechase 11:55.39, 2026 season best 1:23:17 (Feb 1, 2026, Marugame (JPN)) · Last competition: 78th Kagawa Marugame International Half Marathon, Feb 1, 2026, 1:23:17 · 29 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
10000mKawasaki 2018Japan 10 000 m all-time list38:36.42816 pts–
SemiMarugame 2026Japan Half Marathon all-time list1:23:17873 pts–
3000mStKawasaki 2018Japan 3000 m steeplechase all-time list11:55.39835 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Semi 1:23:17–Feb 1, 202678th Kagawa Marugame International Half Marathon
2025Semi 1:25:05–Oct 19, 2025Tokyo Legacy Half Marathon
20183000mSt 11:55.39–Sep 8, 2018Kawasaki (JPN)
201810000m 38:36.42–Sep 6, 2018Kawasaki (JPN)
FAQ

Frequently asked questions

Natsumi Tokunaga's Half Marathon personal best is 1:23:17, set on Feb 1, 2026 in Marugame (JPN).

Natsumi Tokunaga competes in the Half Marathon and 3000 m steeplechase.

2026 season best: 1:23:17, set on Feb 1, 2026 in Marugame (JPN). Last competition: 78th Kagawa Marugame International Half Marathon on Feb 1, 2026, 1:23:17.