Riki Koike
JapanActive- Born
- Nov 26, 2004 (21 years old)
- Events
- Half Marathon · 10 000 m
Riki Koike is a Japan long-distance runner, born on November 26, 2004. He competes primarily in the 3000m, 5000m and 10000m.
His personal bests include 7:59.79 in the 3000m, 13:28.80 in the 5000m, 27:52.43 in the 10000m, 1:02:21 in the Semi and 49:30 in the 10MilesRoa. He is currently active on the international athletics circuit, representing Japan.
Personal best · Half Marathon1:02:21
2026 season best13:26Sep 27, 2026
Personal best · 10 000 m27:52.43
Last competitionADIZERO 5K Tokyo ChallengeSep 27, 2026 · 13:26
As of Oct 28, 2026: Half Marathon 1:02:21, 10 000 m 27:52.43, 2026 season best 13:26 (Sep 27, 2026) · Last competition: ADIZERO 5K Tokyo Challenge, Sep 27, 2026, 13:26 · 21 years old
Personal bests
WA points calculator →Progression
| Season | Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|---|
| 2026 | 5Kilometre | 13:26 | – | Sep 27, 2026 | ADIZERO 5K Tokyo Challenge |
| 2026 | 5000m | 13:28.80 | – | Jun 12, 2026 | Japanese Championships |
| 2026 | 10000m | 27:52.43 | – | May 21, 2026 | The 105th Kanto Inter-University Track＆Field Championships |
| 2025 | 3000m | 7:59.79 | – | Mar 22, 2025 | Track Games in Tokorozawa |
| 2025 | 5000m | 13:39.14 | – | Apr 12, 2025 | 33rd Kanakuri Memorial Middle and Long Distance Invitational Meet, Egao Kenko Stadium, Kumamoto |
| 2025 | 10000m | 28:35.98 | – | May 8, 2025 | The 104th Kanto Inter-University Track＆Field Championships, Gion Stadium, Sagamihara |
| 2025 | Semi | 1:02:21 | – | Feb 2, 2025 | 77th Kagawa Marugame International Half Marathon, Marugame |
| 2024 | 3000m | 8:01.42 | – | Mar 30, 2024 | TOKOROZAWA Games |