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Ryoji SononakaAtleet (JPN)Aangesloten: - Japan | |||||
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Besttijden
| 25m | ||||||
| 50m | ||||||
| 100m | VS | 57.45 | 544 | 6.6428 | 28/07/2009 |  Fina World Championships Roma |
| 200m | VS | 1:57.39 | 656 | 12.0062 | 28/07/2009 | Fina World Championships Roma |
| 400m | VS | 3:58.50 | 785 | 15.0294 | 28/07/2009 | Fina World Championships Roma |
| 800m | VS | 8:05.12 | 809 | 16.5605 | 28/07/2009 | Fina World Championships Roma |
| 1500m | VS | 15:24.13 | 847 | 16.8518 | 01/08/2009 | Fina World Championships Roma |