KY
Kengo Yamazaki
JPNMenBirth dateJul 30, 1992
Height-
Weight-
Kengo Yamazaki is a Japan sprinter, born on July 30, 1992. He competes primarily in the 400m, 4x400m and 4x400Metre.
His personal bests include 46.00 in the 400m, 3:02.43 in the 4x400m and 3:12.63 in the 4x400Metre. He is currently active on the international athletics circuit, representing Japan.
Key facts
As of Sep 12, 2026: 400 m 46.00, 2018 season best 46.35 (May 6, 2018, Osaka (JPN)) · 34 years old
PB
Personal bests
Performance Charts
Season bests
| Season | Discipline | Result | Wind | Date | Trend | Competitions |
|---|---|---|---|---|---|---|
| 2018 | 400m | 46.35 | - | May 6, 2018 | ↑ | Osaka (JPN) |
| 2017 | 400m | 47.40 | - | Sep 24, 2017 | ↑ | Osaka (JPN) |
| 2016 | 400m | 46.97 | - | May 21, 2016 | ↑ | Kumagaya (JPN) |
| 2015 | 400m | 46.72 | - | May 3, 2015 | ↑ | Fukuroi (JPN) |
| 2014 | 400m | 47.58 | - | Sep 5, 2014 | ↑ | Kumagaya (JPN) |
| 2014 | 4x400m | 3:04.93 | - | Sep 7, 2014 | ↑ | Kumagaya (JPN) |
| 2014 | 4x400Metre | 3:12.63 | - | Mar 8, 2014 | - | IAAF World Indoor Championships, Ergo Arena, Sopot (i) |
| 2013 | 400m | 46.00 | - | Jun 8, 2013 | ↑ | Tokyo (JPN) |
| 2013 | 4x400m | 3:02.43 | - | Aug 15, 2013 | ↑ | IAAF World Championships, Luzhniki Stadion, Moskva |
| 2012 | 400m | 46.90 | - | Sep 11, 2012 | ↑ | Tokyo (JPN) |
| 2011 | 400m | 48.50 | - | May 3, 2011 | ↑ | Fukuroi (JPN) |
| 2010 | 400m | 47.06 | - | Jun 5, 2010 | ↑ | Marugame (JPN) |
| 2010 | 4x400m | 3:12.14 | - | Jul 4, 2010 | ↑ | Hanoi (VIE) |
| 2009 | 400m | 46.94 | - | Oct 5, 2009 | ↑ | Niigata (JPN) |
2018
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 49.58 | - | Sep 23 | Osaka All Japan Corporate Teams Championships, Osaka |
400m | 47.23 | - | Jun 24 | Japan Championships |
400m | 47.23 | - | Jun 22 | Japan Championships |
400m | 48.49 | - | May 19 | Kumagaya East Japan Corporate Teams Championships, Kumagaya |
400m | 47.33 | - | May 19 | Kumagaya East Japan Corporate Teams Championships, Kumagaya |
400m | 46.35 | - | May 6 | Osaka Kinami Michitaka Memorial, Osaka |
400m | 46.81 | - | May 6 | Osaka Kinami Michitaka Memorial, Osaka |
2017
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 47.40 | - | Sep 24 | Osaka All Japan Corporate Ch., Osaka |
400m | 47.60 | - | Sep 24 | Osaka All Japan Corporate Ch., Osaka |
2016
10 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 48.61 | - | Sep 25 | Osaka |
400m | 47.66 | - | Sep 25 | Osaka |
400m | 47.96 | - | Jul 6 | Bangkok Thai International Open Championships, Bangkok |
400m | 47.93 | - | Jul 6 | Bangkok Thai International Open Championships, Bangkok |
400m | 48.20 | - | Jul 5 | Bangkok Thai International Open Championships, Bangkok |
400m | 47.67 | - | Jun 24 | Japanese Championships, Nagoya |
400m | 46.97 | - | May 21 | Kumagaya East Japan Corporate Team Championships, Kumagaya |
400m | 47.21 | - | May 3 | Fukuroi Shizuoka International Meeting, Fukuroi |
400m | 47.22 | - | Mar 18 | Redlands Invitational, Redlands, CA |
400m | 47.04 | - | Mar 11 | Eagle Rock Oxy Distance Carnival Spring Break Classic, Los Angeles, CA |
2015
3 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 48.27 | - | Sep 27 | Gifu |
400m | 47.27 | - | Jun 26 | Niigata Japanese Championships, Nagoya |
400m | 46.72 | - | May 3 | Fukuroi Shizuoka International Meeting, Fukuroi |
2014
4 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 47.89 | - | Oct 20 | Nagasaki |
4x400m | 3:04.93 | - | Sep 7 | Kumagaya |
400m | 47.58 | - | Sep 5 | Kumagaya |
4x400Metre | 3:12.63 | - | Mar 8 | IAAF World Indoor Championships, Ergo Arena, Sopot (i) |
2013
13 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
4x400m | 3:07.32 | - | Oct 9 | Tianjin East Asian Games, Tianjin |
400m | 50.81 | - | Oct 8 | Tianjin East Asian Games, Tianjin |
400m | 47.40 | - | Oct 8 | Tianjin East Asian Games, Tianjin |
400m | 46.65 | - | Sep 6 | Tokyo Japanese Inter-Collegiate Championships, Tokyo |
4x400m | 3:02.43 | - | Aug 15 | IAAF World Championships, Luzhniki Stadion, Moskva |
4x400m | 3:06.58 | - | Jul 12 | Universiade, Central Stadium, Kazan |
4x400m | 3:10.39 | - | Jul 11 | Universiade, Central Stadium, Kazan |
400m | 46.90 | - | Jul 8 | Universiade, Central Stadium, Kazan |
400m | 47.32 | - | Jul 7 | Universiade, Central Stadium, Kazan |
400m | 46.00 | - | Jun 8 | Japanese Championships, Tokyo |
400m | 46.98 | - | Jun 7 | Japanese Championships, Tokyo |
400m | 46.17 | - | May 3 | Fukuroi Shizuoka International Track and Field Championships, Fukuroi |
400m | 46.90 | - | Mar 23 | Houston Victor Lopez Classic, Houston, TX |
2012
2 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 47.34 | - | Oct 14 | Odawara College Team vs Corporate Team, Odawara |
400m | 46.90 | - | Sep 11 | Tokyo Japanese University Championships, Tokyo |
2011
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 48.50 | - | May 3 | Fukuroi Shizuoka Prefecture, Fukuroi |
2010
7 performances| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 47.49 | - | Oct 4 | Chiba - U19 Events |
400m | 47.98 | - | Oct 3 | Chiba - U19 Events |
4x400m | 3:12.14 | - | Jul 4 | Hanoi Asian Junior Championships, Hanoi |
400m | 48.55 | - | Jul 2 | Hanoi Asian Junior Championships, Hanoi |
400m | 48.11 | - | Jul 1 | Hanoi Asian Junior Championships, Hanoi |
400m | 47.06 | - | Jun 5 | Japanese Championships, Marugame |
400m | 47.56 | - | May 3 | Shizuoka International Meeting, Shizuoka |
2009
1 performance| Discipline | Result | Wind | Date | Competitions |
|---|---|---|---|---|
400m | 46.98 | - | Oct 16 | Kofu |
Showing 1 - 50 of 53
Honours
No medals
FAQ
Frequently asked questions
What is Kengo Yamazaki's 400 m personal best?
Kengo Yamazaki's 400 m personal best is 46.00, set on Jun 8, 2013 in Tokyo (JPN).
Which events does Kengo Yamazaki compete in?
Kengo Yamazaki competes in the 400 m.
How did Kengo Yamazaki perform in 2018?
2018 season best: 46.35, set on May 6, 2018 in Osaka (JPN).