Ryoji Sononaka
Biographical details
| Code | SWI-M-003911 |
|---|---|
| Gender | Male |
| Used name | Ryoji•Sononaka |
| Born | 30 December 1985 |
Results
| Sport | Competition | Host City | Country | Event | Placement | Country | |
|---|---|---|---|---|---|---|---|
| Swimming | 2009 World Aquatics Championships | Roma |  ITA |
800 m Freestyle, Men | 21 |  JPN |
|
| Swimming | 2009 World Aquatics Championships | Roma | ITA |
1,500 m Freestyle, Men | 18 | JPN |