| Name: Ryuu | Surname: KOSAKA | Country: JPN  | SEASON: 2008/2009 » |
| 500 m | |||||||||
| - | 40,14 | Ryuu | KOSAKA | 93-06-24 | JPN | 30 | Chino | 09-01-10 | |
| 1000 m | |||||||||
| - | 1.21,56 | Ryuu | KOSAKA | 93-06-24 | JPN | 2 | Akan | 09-02-15 | |
| 1500 m | |||||||||
| 3793 | 2.01,97 | Ryuu | KOSAKA | 93-06-24 | JPN | 24 | Chino | 09-01-11 | |
| 3000 m | |||||||||
| 1509 | 4.10,46 | Ryuu | KOSAKA | 93-06-24 | JPN | 7 | Nagano | 09-02-07 | |
| 5000 m | |||||||||
| 1279 | 1432 | 7.08,48 | Ryuu | KOSAKA | 93-06-24 | JPN | 4 | Nagano | 09-02-06 |
| Mini | |||||||||||||
| 3177 | 163,319 | Ryuu | KOSAKA | 93-06-24 | JPN | 40,14 | 1.21,56 | 2.01,97 | 4.10,46 | -- | -- | 09 | |
| Small | |||||||||||||
| 2005 | 165,387 | Ryuu | KOSAKA | 93-06-24 | JPN | 40,14 | -- | 2.01,97 | 4.10,46 | 7.08,48 | -- | 09 | |
