| Name: | Osaka, Ryosuke | 大坂良介 |
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| Club: | チーム岩田2015 | ||
| Residence: | Matsue City, Shimane Pref. | ||
| Year of birth: | 1979 | (Cat. german: M45) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M45) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 478728 | ||
21 search results (21 Events, 1794 km). (More)
| 2025 | 1 Event, 64 km (More) | ||||
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| 28.09.2025 | Muraoka 64 km Ultra Marathon (JPN) | 64km | |||
| 7:26:39 h | Osaka, Ryosuke | ランジョグ中国 | Overall: 247 | M: 186 | Cat M45: 27 |
| 2023 | 1 Event, 66 km (More) | ||||
| 24.09.2023 | Muraoka 66 km Ultra Marathon (JPN) | 66km | |||
| 8:10:34 h | Osaka, Ryosuke | ランジョグ中国 | Overall: 38 | M: 27 | Cat M40: 7 |
| 2019 | 1 Event, 100 km (More) | ||||
| 12.05.2019 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 13:54:15 h | Osaka, Ryosuke | ランジョグ中国 | Overall: 429 | M: 382 | Cat M35: 21 |
| 2017 | 2 Events, 116 km (More) | ||||
| 24.09.2017 | Muraoka 66 km Ultra Marathon (JPN) | 66km | |||
| 9:35:55 h | Osaka, Ryosuke | *Shimane Pref. | Overall: 169 | M: 109 | Cat M35: 11 |
| 18.06.2017 | Okinoshima 50km Ultra Marathon (JPN) | 50km | |||
| 5:42:40 h | Osaka, Ryosuke | Overall: 80 | M: 66 | Cat M35: 2 | |
| 2016 | 4 Events, 368 km (More) | ||||
| 25.09.2016 | Muraoka 66 km Ultra Marathon (JPN) | 66km | |||
| 10:14:41 h | Osaka, Ryosuke | Overall: 177 | M: 92 | Cat M35: 10 | |
| 19.06.2016 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 13:20:54 h | Osaka, Ryosuke | Overall: 227 | M: 188 | Cat M35: 22 | |
| 29.05.2016 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 12:58:10 h | Osaka, Ryosuke | *Matsue City, Shimane Pref. | Overall: 279 | M: 246 | Cat M35: 21 |
| 16.04.2016 | Okuizumo Ultra Orochi 100km Tooashi (JPN) | 102km | |||
| 15:24:52 h | Osaka, Ryosuke | Overall: 224 | M: 181 | Cat M35: 15 | |
| 2015 | 4 Events, 356 km (More) | ||||
| 27.09.2015 | Muraoka 66 km Ultra Marathon (JPN) | 66km | |||
| 9:42:23 h | Osaka, Ryosuke | Overall: 167 | M: 98 | Cat M35: 9 | |
| 20.09.2015 | Akiota Yajirushi Marathon 88km (JPN) | 88km | |||
| 12:19:22 h | Osaka, Ryosuke | *Shimane Pref. | Overall: 311 | M: 280 | Cat M35: 28 |
| 31.05.2015 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 13:50:33 h | Osaka, Ryosuke | Overall: 377 | M: 332 | Cat M35: 42 | |
| 11.04.2015 | Okuizumo Ultra Orochi 100km Tooashi (JPN) | 102km | |||
| 14:58:07 h | Osaka, Ryosuke | Overall: 149 | M: 125 | Cat M35: 17 | |
| 2014 | 2 Events, 188 km (More) | ||||
| 14.09.2014 | Akiota Yajirushi Marathon 88km (JPN) | 88km | |||
| 12:09:03 h | Osaka, Ryosuke | *Shimane Pref. | Overall: 263 | M: 231 | Cat M23: 19 |
| 25.05.2014 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 13:39:33 h | Osaka, Ryosuke | チーム岩田2014 | Overall: 251 | M: 220 | Cat M23: 27 |
| 2013 | 2 Events, 188 km (More) | ||||
| 20.10.2013 | River Shimanto 100km (JPN) | 100km | |||
| 13:49:28 h | Osaka, Ryosuke | アミノRC鳥取 | Overall: 996 | M: 851 | Cat M23: 75 |
| 15.09.2013 | Akiota Yajirushi Marathon 88km (JPN) | 88km | |||
| 12:39:41 h | Osaka, Ryosuke | *Shimane Pref. | Overall: 335 | M: 306 | Cat M23: 32 |
| 2012 | 1 Event, 88 km (More) | ||||
| 16.09.2012 | Akiota Yajirushi Marathon 88km (JPN) | 88km | |||
| 12:30:41 h | Osaka, Ryosuke | *Shimane Pref. | Overall: 288 | M: 261 | Cat M23: 32 |
| 2011 | 2 Events, 160 km (More) | ||||
| 16.10.2011 | River Shimanto 60km (JPN) | 60km | |||
| 7:15:39 h | Osaka, Ryosuke | *Shimane Pref. | Overall: 119 | M: 92 | Cat M23: 4 |
| 29.05.2011 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 12:22:35 h | Osaka, Ryosuke | アミノRC鳥取 | Overall: 168 | M: 156 | Cat M23: 12 |
| 2010 | 1 Event, 100 km (More) | ||||
| 30.05.2010 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 13:17:16 h | Osaka, Ryosuke | アミノRC鳥取 | Overall: 178 | M: 156 | Cat M23: 16 |
Personal bests
Your list of personal best performances only contains performances of races which can be included into rankings.
In brackets rank in yearly international/national rankings.
| PB | 2025 | 2023 | 2019 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | |
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| 100km | 13:49:28 |
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13:49:28
(8384/3628) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2019 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ebisu-Daikoku 100 km Marathon | 6 | 13:54:15 | 12:58:10 | 13:50:33 | 13:39:33 | 12:22:35 | 13:17:16 | |||||
| Muraoka 66 km Ultra Marathon | 5 | 7:26:39 | 8:10:34 | 9:35:55 | 10:14:41 | 9:42:23 | ||||||
| Akiota Yajirushi Marathon 88km | 4 | 12:19:22 | 12:09:03 | 12:39:41 | 12:30:41 | |||||||
| Okuizumo Ultra Orochi 100km Tooashi | 2 | 15:24:52 | 14:58:07 |





