Ruka Mukai

JapanJapanActive
Born
Dec 25, 2010 (15 years old)
Events
100 m

Ruka Mukai is a Japan sprinter, born on December 25, 2010. She competes primarily in the 100m and 4x100m.

Her personal bests include 12.20 in the 100m and 45.43 in the 4x100m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m12.20
2026 season best24.92Sep 18, 2026
2026 season best
Last competitionKinki High School Rookies' MeetingSep 18, 2026 · 24.92
Kinki High School Rookies' Meeting

As of Nov 14, 2026: 100 m 12.20, 2026 season best 24.92 (Sep 18, 2026) · Last competition: Kinki High School Rookies' Meeting, Sep 18, 2026, 24.92 · 15 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mHikone 2025Japan 100 m all-time list12.20952 pts–
4x100mHikone 2025Japan 4 × 100 m all-time list45.43–

Progression

SeasonDisciplineResultWindDateCompetitions
2026200m 24.92+0.7Sep 18, 2026Kinki High School Rookies' Meeting
2025100m 12.20+0.7Oct 3, 2025Japan Games, Athletic Stadium, Hikone
20254x100m 45.43–Oct 5, 2025Japan Games, Athletic Stadium, Hikone
2023100m 12.95+0.9Jul 15, 2023Shiga Athletics Championships, Athletic Stadium, Hikone
FAQ

Frequently asked questions

Ruka Mukai's 100 m personal best is 12.20, set on Oct 3, 2025 in Athletic Stadium, Hikone (JPN).

Ruka Mukai competes in the 100 m.

2026 season best: 24.92, set on Sep 18, 2026. Last competition: Kinki High School Rookies' Meeting on Sep 18, 2026, 24.92.