Riko YAMAZAWA
JapanActive- Born
- Apr 4, 2009 (17 years old)
Riko YAMAZAWA is a Japan relay runner, born on April 4, 2009. He competes primarily in the 4x400Metre.
His personal bests include 3:39.75 in the 4x400Metre. He is currently active on the international athletics circuit, representing Japan.
2026 season best3:39.75Nov 3, 2026 · Prefectural Shizuoka Stadium, Fukuroi
Last competitionEcopa Track GamesNov 3, 2026 · 3:39.75
As of Nov 13, 2026: 2026 season best 3:39.75 (Nov 3, 2026, Prefectural Shizuoka Stadium, Fukuroi (JPN)) · Last competition: Ecopa Track Games, Nov 3, 2026, 3:39.75 · 17 years old
Personal bests
DisciplineResultAll-time
4x400MetreFukuroi 20263:39.75–
Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 4x400Metre | 3:39.75 | – | Nov 3, 2026 | Ecopa Track Games |