Miho Arimoto

JapanJapanActive
Born
Dec 4, 1983 (42 years old)
Events
Marathon

Miho Arimoto is a Japan long-distance runner, born on December 4, 1983. She competes primarily in the Marathon.

Her personal bests include 2:57:30 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:57:30
2026 season best2:59:07Mar 1, 2026 · Tokyo
2026 season best
Last competitionTokyo MarathonMar 1, 2026 · 2:59:07
Tokyo Marathon

As of Nov 15, 2026: Marathon 2:57:30, 2026 season best 2:59:07 (Mar 1, 2026, Tokyo (JPN)) · Last competition: Tokyo Marathon, Mar 1, 2026, 2:59:07 · 42 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
MarathonKasumigaura 2022Japan Marathon all-time list2:57:30876 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Marathon 2:59:07–Mar 1, 2026Tokyo Marathon
2025Marathon 2:57:58–Jan 26, 2025Osaka Women's Marathon
2022Marathon 2:57:30–Apr 17, 2022Kasumigaura (JPN)
FAQ

Frequently asked questions

Miho Arimoto's Marathon personal best is 2:57:30, set on Apr 17, 2022 in Kasumigaura (JPN).

Miho Arimoto competes in the Marathon.

2026 season best: 2:59:07, set on Mar 1, 2026 in Tokyo (JPN). Last competition: Tokyo Marathon on Mar 1, 2026, 2:59:07.