Mio Koyanagi

JapanJapanActive
Born
Nov 11, 1986 (40 years old)
Events
Marathon · Half Marathon

Mio Koyanagi is a Japan long-distance runner, born on November 11, 1986. She competes primarily in the Semi and Marathon.

Her personal bests include 1:21:00 in the Semi and 2:45:10 in the Marathon. She is currently active on the international athletics circuit, representing Japan.

Personal best · Marathon2:45:10
2026 season best2:45:10Jan 25, 2026 · Osaka
2026 season best
Personal best · Half Marathon1:21:00
Last competitionOsaka Women's MarathonJan 25, 2026 · 2:45:10
Osaka Women's Marathon

As of Nov 15, 2026: Marathon 2:45:10, Half Marathon 1:21:00, 2026 season best 2:45:10 (Jan 25, 2026, Osaka (JPN)) · Last competition: Osaka Women's Marathon, Jan 25, 2026, 2:45:10 · 40 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
SemiOkayama 2023Japan Half Marathon all-time list1:21:00915 pts–
MarathonOsaka 2026Japan Marathon all-time list2:45:10981 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026Marathon 2:45:10–Jan 25, 2026Osaka Women's Marathon
2025Marathon 2:49:44–Mar 2, 2025Tokyo Marathon
2024Marathon 2:51:23–Mar 10, 2024Nagoya Women's Marathon
2023Semi 1:21:00–Dec 17, 2023The 42nd SANYO Ladies Road Race
2023Marathon 2:52:11–Jan 29, 2023Osaka Women's Marathon, Osaka
FAQ

Frequently asked questions

Mio Koyanagi's Marathon personal best is 2:45:10, set on Jan 25, 2026 in Osaka (JPN).

Mio Koyanagi competes in the Marathon and Half Marathon.

2026 season best: 2:45:10, set on Jan 25, 2026 in Osaka (JPN). Last competition: Osaka Women's Marathon on Jan 25, 2026, 2:45:10.