Masahiro Koseki
- Japan
- Born: 1993
Starts
7
Latest Athlete Results
| 25 |
2016 Murakami NTT ASTC Triathlon Asian Cup25 Sep, 2016 - Elite Men - 01:54:54 |
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| 13 |
2015 JPN Duathlon National Championships08 Nov, 2015 - Elite Men - 02:06:41 |
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| 29 |
2015 Murakami ASTC Triathlon Asian Cup20 Sep, 2015 - Elite Men - 01:55:01 |
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| 38 |
2014 Murakami ASTC Triathlon Asian Cup28 Sep, 2014 - Elite Men - 01:55:53 |
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| 22 |
2014 Amakusa ASTC Triathlon Premium Asian Cup27 Jul, 2014 - Elite Men - 02:04:01 |
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Athlete Fact Sheet
| Given Name | Masahiro |
| Family Name | Koseki |
| Representing | JPN |
| Year of Birth | 1993 |
| World Triathlon Athlete ID | 78663 |