Rena Sakai

JapanJapanActive
Born
Oct 19, 2008 (18 years old)
Events
100 m · 300 Metres

Rena Sakai is a Japan sprinter, born on October 19, 2008. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 12.39 in the 100m, 25.63 in the 200m, 60.45 in the 400m, 3:42.85 in the 4x400m and 40.79 in the 300m. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m12.39
2026 season best12.51Apr 4, 2026 · Chukyo University Athletics Field, Toyota
2026 season best
Personal best · 300 Metres40.79
Last competitionThe 38th Umemura School Athletics CompetitionApr 4, 2026 · 60.45
The 38th Umemura School Athletics Competition

As of Nov 14, 2026: 100 m 12.39, 300 Metres 40.79, 2026 season best 12.51 (Apr 4, 2026, Chukyo University Athletics Field, Toyota (JPN)) · Last competition: The 38th Umemura School Athletics Competition, Apr 4, 2026, 60.45 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mGifu 2025Japan 100 m all-time list12.39916 pts–
200mShizuoka 2025Japan 200 m all-time list25.63885 pts–
400mToyota 2026Japan 400 m all-time list60.45822 pts–
4x400mGifu 2025Japan 4 × 400 m all-time list3:42.85–
300mIse 202540.79918 pts–

Progression

SeasonDisciplineResultWindDateCompetitions
2026100m 12.51+2.8Apr 4, 2026The 38th Umemura School Athletics Competition
2026400m 60.45–Apr 4, 2026The 38th Umemura School Athletics Competition
2025100m 12.39-0.7Jun 29, 202590th Gifu Athletics Championships
2025200m 25.63+1.3Oct 26, 2025Tokai High School Newcomers Track and Field Championships
2025300m 40.79–Oct 19, 202519th JAAF U18 Athletics Competition, Prefectural Stadium, Ise
20254x400m 3:42.85–Jul 13, 2025Japanese Relays Championships, Nagaragawa Stadium, Gifu
2024100m 12.59+0.1Oct 26, 2024Tokai High School Newcomer Championship
2024200m 25.97+1.0Jul 6, 202489th Gifu Athletics Championships Day2-Day3
FAQ

Frequently asked questions

Rena Sakai's 100 m personal best is 12.39, set on Jun 29, 2025 in Nagaragawa Stadium, Gifu (JPN).

Rena Sakai competes in the 100 m and 300 Metres.

2026 season best: 12.51, set on Apr 4, 2026 in Chukyo University Athletics Field, Toyota (JPN). Last competition: The 38th Umemura School Athletics Competition on Apr 4, 2026, 60.45.