Tomoko Nagasaka

JapanJapanActive
Born
Feb 12, 1978 (48 years old)
Events
Marathon

Tomoko Nagasaka is a Japan long-distance runner, born on February 12, 1978. She competes primarily in the Marathon.

Her personal bests include 2:56:41 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:56:41
2026 season best2:56:41Mar 15, 2026 · Itabashi
2026 season best
Last competitionItabashi City MarathonMar 15, 2026 · 2:56:41
Itabashi City Marathon

As of Nov 14, 2026: Marathon 2:56:41, 2026 season best 2:56:41 (Mar 15, 2026, Itabashi (JPN)) · Last competition: Itabashi City Marathon, Mar 15, 2026, 2:56:41 · 48 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
MarathonItabashi 2026Japan Marathon all-time list2:56:41883 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Marathon 2:56:41–Mar 15, 2026Itabashi City Marathon
2025Marathon 3:02:27–Mar 2, 2025Tokyo Marathon
2024Marathon 2:59:22–Jan 28, 2024Osaka Women's Marathon
2022Marathon 2:58:52–Jan 30, 2022Osaka Women's Marathon
2021Marathon 3:03:44–Mar 14, 2021Nagoya Women's Marathon
2016Marathon 3:08:07–Jan 31, 2016Osaka (JPN)
2014Marathon 3:08:38–Feb 2, 2014Oita (JPN)
FAQ

Frequently asked questions

Tomoko Nagasaka's Marathon personal best is 2:56:41, set on Mar 15, 2026 in Itabashi (JPN).

Tomoko Nagasaka competes in the Marathon.

2026 season best: 2:56:41, set on Mar 15, 2026 in Itabashi (JPN). Last competition: Itabashi City Marathon on Mar 15, 2026, 2:56:41.