Hiroshi Koyama
Japan (JPN)
Male
Personal Records
| 500m | 46,06 | 30 December 2009 | Ena (JPN) |
| 1000m | 1.32,70 | 30 December 2009 | Ena (JPN) |
| 1500m | 2.28,32 | 30 December 2009 | Ena (JPN) |
Season Bests
Results
| 59th High School Championship | Kushiro (JPN) | 21 - 24 January 2010 | ||||||||||||||||||||||||
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| 32nd West Japanese Distance Competition | Ena (JPN) | 30 December 2009 | ||||||||||||||||||||||||
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| 31st West Japanese Junior Competition | Ena (JPN) | 30 December 2008 | ||||||||||||||||||||||||
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Native Language Names