| Name: | Nishihara, Tadashi | 西原禎志 |
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| Club: | 雲南大馬拉松隊 | ||
| Residence: | Okayama Pref. | ||
| Year of birth: | 1975 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 366556 | ||
22 search results (22 Events, 1819 km). (More)
| 2025 | 2 Events, 139 km (More) | ||||
|---|---|---|---|---|---|
| 18.05.2025 | Saba Highway Ultramarathon (JPN) | 77km | |||
| 11:47:00 h | Nishihara, Tadashi | *Okayama Pref. | Overall: 439 | M: 359 | Cat M45: 44 |
| 12.04.2025 | Okuizumo Ultra Orochi 60km Tooashi (JPN) | 62km | |||
| 7:51:29 h | Nishihara, Tadashi | Overall: 77 | M: 62 | Cat M45: 5 | |
| 2024 | 2 Events, 139 km (More) | ||||
| 19.05.2024 | Saba Highway Ultramarathon (JPN) | 77km | |||
| 11:08:38 h | Nishihara, Tadashi | *Okayama Pref. | Overall: 288 | M: 242 | Cat M45: 34 |
| 21.04.2024 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 7:39:45 h | Nishihara, Tadashi | 民宿矢谷で丹後を楽しみ隊 | Overall: 291 | M: 223 | Cat M45: 22 |
| 2023 | 2 Events, 177 km (More) | ||||
| 17.09.2023 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:52:34 h | Nishihara, Tadashi | Overall: 689 | M: 616 | Cat M45: 83 | |
| 21.05.2023 | Saba Highway Ultramarathon (JPN) | 77km | |||
| 11:06:44 h | Nishihara, Tadashi | *Okayama Pref. | Overall: 203 | M: 176 | Cat M45: 28 |
| 2020 | 1 Event, 60 km (More) | ||||
| 31.10.2020 | Lake Biwa Ultra Maranic - 60 km (JPN) | 60km | |||
| 7:57:52 h | Nishihara, Tadashi | Overall: 29 | M: 15 | Cat M40: 4 | |
| 2019 | 2 Events, 202 km (More) | ||||
| 15.09.2019 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:45:02 h | Nishihara, Tadashi | 民宿矢谷で丹後を楽しみ隊 | Overall: 873 | M: 779 | Cat M40: 101 |
| 13.04.2019 | Okuizumo Ultra Orochi 100km Tooashi (JPN) | 102km | |||
| 13:22:03 h | Nishihara, Tadashi | Overall: 205 | M: 174 | Cat M40: 19 | |
| 2018 | 2 Events, 162 km (More) | ||||
| 16.09.2018 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:40:27 h | Nishihara, Tadashi | 矢谷で楽しみ隊 | Overall: 890 | M: 795 | Cat M40: 110 |
| 14.04.2018 | Okuizumo Ultra Orochi 60km Tooashi (JPN) | 62km | |||
| 8:12:57 h | Nishihara, Tadashi | Overall: 59 | M: 45 | Cat M40: 5 | |
| 2017 | 1 Event, 100 km (More) | ||||
| 28.05.2017 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 12:40:17 h | Nishihara, Tadashi | *Kurashiki, Okayama Pref. | Overall: 184 | M: 164 | Cat M40: 29 |
| 2016 | 1 Event, 100 km (More) | ||||
| 29.05.2016 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 12:18:48 h | Nishihara, Tadashi | *Kurashiki, Okayama Pref. | Overall: 210 | M: 186 | Cat M40: 29 |
| 2015 | 1 Event, 100 km (More) | ||||
| 26.04.2015 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 11:46:24 h | Nishihara, Tadashi | Overall: 93 | M: 84 | Cat M35: 8 | |
| 2014 | 1 Event, 60 km (More) | ||||
| 22.11.2014 | Kiso-Sansen 60 Km Ultra-Marathon (JPN) | 60km | |||
| 6:20:03 h | Nishihara, Tadashi | *Okayama Pref. | Overall: 342 | M: 291 | Cat M35: 28 |
| 2013 | 2 Events, 170 km (More) | ||||
| 15.09.2013 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:09:25 h | Nishihara, Tadashi | 雲南大馬拉松隊 | Overall: 810 | M: 747 | Cat M35: 98 |
| 03.05.2013 | Mukogawa Yurikamome Ultra Marathon (JPN) | 70km | |||
| 6:51:33 h | Nishihara, Tadashi | 雲南大馬拉松隊 | Overall: 189 | M: 167 | Cat M35: 30 |
| 2012 | 2 Events, 170 km (More) | ||||
| 21.09.2012 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:37:52 h | Nishihara, Tadashi | Overall: 626 | M: 557 | Cat M35: 75 | |
| 03.05.2012 | Mukogawa Yurikamome Ultra Marathon (JPN) | 70km | |||
| 7:18:14 h | Nishihara, Tadashi | Overall: 175 | M: 153 | Cat M35: 22 | |
| 2011 | 1 Event, 70 km (More) | ||||
| 22.05.2011 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 8:01:00 h | Nishihara, Tadashi | Overall: 72 | M: 58 | Cat M35: 7 | |
| 2010 | 1 Event, 100 km (More) | ||||
| 23.05.2010 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 13:27:00 h | Nishihara, Tadashi | Overall: 174 | M: 150 | Cat M23: 13 | |
| 2009 | 1 Event, 70 km (More) | ||||
| 24.05.2009 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 8:56:22 h | Nishihara, Tadashi | Overall: 49 | M: 33 | Cat M23: 6 | |
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 | 2024 | 2023 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 13:40:27 |
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13:52:34
(6654/3733) |
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13:45:02
(9034/4849) |
13:40:27
(8573/4544) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tango 100 km Ultramarathon | 5 | 13:52:34 | 13:45:02 | 13:40:27 | 13:09:25 | 13:37:52 | ||||||||||
| Saba Highway Ultramarathon | 3 | 11:47:00 | 11:08:38 | 11:06:44 | ||||||||||||
| Okuizumo Ultra Orochi 60km Tooashi | 2 | 7:51:29 | 8:12:57 | |||||||||||||
| 70 km Ultra Maranic Osaka | 2 | 8:01:00 | 8:56:22 | |||||||||||||
| 100 km Ultra Maranic Osaka | 2 | 11:46:24 | 13:27:00 | |||||||||||||
| Mukogawa Yurikamome Ultra Marathon | 2 | 6:51:33 | 7:18:14 | |||||||||||||
| Ebisu-Daikoku 100 km Marathon | 2 | 12:40:17 | 12:18:48 |





