Japanese Championships
Yanmar Stadium Nagai, Osaka (JPN)
01–04 JUN 2023
B
Women's 400 Metres
Final
| Place | Name | Birth Date | Mark | |
|---|---|---|---|---|
| 1. | Haruna KUBOYAMA | 05 APR 1996 | JPN | 53.19 |
| 2. | Yuzuki KOJIMA | 25 SEP 2004 | JPN | 53.99 |
| 3. | Marin ADACHI | 23 JAN 2003 | JPN | 54.05 |
| 4. | Nanako MATSUMOTO | 03 SEP 1996 | JPN | 54.43 |
| 5. | Yuna IWATA | 17 OCT 1997 | JPN | 54.48 |
| 6. | Airi OSHIMA | 01 JUN 2000 | JPN | 55.14 |
| 7. | Shizuho MORIYAMA | 25 OCT 2001 | JPN | 55.55 |
| 8. | Harumi KUMAGAE | 16 NOV 2001 | JPN | 56.29 |
Round 1 - Heat 1
| Place | Name | Birth Date | Mark | |
|---|---|---|---|---|
| 1. | Harumi KUMAGAE | 16 NOV 2001 | JPN | 55.29 |
| 2. | Shizuho MORIYAMA | 25 OCT 2001 | JPN | 55.43 |
| 3. | Riho HIRANO | 04 NOV 2005 | JPN | 55.81 |
| 4. | Mayu INAOKA | 16 MAR 1996 | JPN | 56.27 |
| 5. | Saki TAKASHIMA | 18 FEB 2002 | JPN | 56.59 |
| 6. | Momoka ANDO | 29 JUN 2000 | JPN | 56.95 |
| 7. | Kina MATSUO | 25 OCT 2000 | JPN | 56.99 |
| 8. | Mayu KOBAYASHI | 10 NOV 1996 | JPN | 58.91 |
Round 1 - Heat 2
| Place | Name | Birth Date | Mark | |
|---|---|---|---|---|
| 1. | Nanako MATSUMOTO | 03 SEP 1996 | JPN | 54.35 |
| 2. | Yuna IWATA | 17 OCT 1997 | JPN | 54.41 |
| 3. | Yuzuki KOJIMA | 25 SEP 2004 | JPN | 54.42 |
| 4. | Airi OSHIMA | 01 JUN 2000 | JPN | 54.62 |
| 5. | Haruna SETA | 04 JAN 2006 | JPN | 54.82 |
| 6. | Abigeirufuka IDO | 15 JUN 2001 | JPN | 55.97 |
| 7. | Ayaka KAWATA | 22 AUG 1999 | JPN | 56.00 |
Round 1 - Heat 3
| Place | Name | Birth Date | Mark | |
|---|---|---|---|---|
| 1. | Haruna KUBOYAMA | 05 APR 1996 | JPN | 53.76 |
| 2. | Marin ADACHI | 23 JAN 2003 | JPN | 54.29 |
| 3. | Mio SUDO | 06 MAR 2002 | JPN | 55.23 |
| 4. | Mei KUDO | 18 NOV 2002 | JPN | 55.27 |
| 5. | Nanae MORIYAMA | 09 APR 2001 | JPN | 55.39 |
| 6. | Riko YAMAKOSHI | 13 MAR 2004 | JPN | 55.77 |
| 7. | Hitomi KANEKO | 06 MAR 2002 | JPN | 56.05 |
| 8. | Aori KAWANAKA | 19 APR 2001 | JPN | 56.45 |