Rin Kosaka

JapanJapan
Born
Apr 11, 2008 (18 years old)
Events
100 m

Rin Kosaka is a Japan sprinter, born on April 11, 2008. She competes primarily in the 100m and LJ.

Her personal bests include 12.45 in the 100m and 5.03 in the LJ. She is currently active on the international athletics circuit, representing Japan.

Personal best · 100 m12.45
2024 season best12.79Sep 19, 2024 · Citizens Athletics Stadium, Kushiro
2024 season best
Last competition40th Hokkaido High School Rookies’ Meeting, Irie Stadium, MuroranSep 19, 2024 · 12.79
40th Hokkaido High School Rookies’ Meeting, Irie Stadium, Muroran

As of Nov 14, 2026: 100 m 12.45, 2024 season best 12.79 (Sep 19, 2024, Citizens Athletics Stadium, Kushiro (JPN)) · Last competition: 40th Hokkaido High School Rookies’ Meeting, Irie Stadium, Muroran, Sep 19, 2024, 12.79 · 18 years old

Personal bests

WA points calculator →
DisciplineResultAll-time
100mSapporo 2022Japan 100 m all-time list12.45*904 pts–
LJChitose 2022Japan Long Jump all-time list5.03*790 pts–

* Wind-assisted (> 2.0 m/s)

Progression

SeasonDisciplineResultWindDateCompetitions
2024100m 12.79+1.6Sep 19, 202440th Hokkaido High School Rookies’ Meeting, Irie Stadium, Muroran
2023100m 12.48+1.7Aug 12, 202378th National Athletic Meet Hokkaido Representative Selection Meeting, Hanasaki Athletic Field, Asahikawa
2022LJ 5.03+2.4Oct 8, 2022Aoba Park Athletic Field, Chitose (JPN)
2022100m 12.45+3.0Jul 10, 202235th Chuhei Nambu Memorial, Atsubetsu Park Stadium, Sapporo
2021100m 13.20+1.3Jun 12, 2021Aoba Park Athletic Field, Chitose (JPN)
FAQ

Frequently asked questions

Rin Kosaka's 100 m personal best is 12.45, set on Jul 10, 2022 in Atsubetsu Park Stadium, Sapporo (JPN).

Rin Kosaka competes in the 100 m.

2024 season best: 12.79, set on Sep 19, 2024 in Citizens Athletics Stadium, Kushiro (JPN). Last competition: 40th Hokkaido High School Rookies’ Meeting, Irie Stadium, Muroran on Sep 19, 2024, 12.79.