| Name: | Iwasaki, Kazuo | 岩嵜和男 |
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| Club: | be Quest | ||
| Residence: | Shiga Pref. | ||
| Year of birth: | 1960 | (Cat. german: M65) | |
| Date of birth: | 28.08.1960 | (Cat. internat.: M65) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 221824 | ||
26 search results (26 Events, 2319 km). (More)
| 2025 | 1 Event, 60 km (More) | ||||
|---|---|---|---|---|---|
| 14.09.2025 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 9:20:09 h | Iwasaki, Kazuo | Overall: 570 | M: 436 | Cat M65: 9 | |
| 2024 | 1 Event, 60 km (More) | ||||
| 15.09.2024 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 9:19:18 h | Iwasaki, Kazuo | Overall: 448 | M: 347 | Cat M60: 17 | |
| 2019 | 1 Event, 71 km (More) | ||||
| 21.04.2019 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 9:22:27 h | Iwasaki, Kazuo | Overall: 374 | M: 277 | Cat M55: 20 | |
| 2018 | 2 Events, 171 km (More) | ||||
| 16.09.2018 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:42:09 h | Iwasaki, Kazuo | ビクエスト | Overall: 881 | M: 788 | Cat M55: 59 |
| 22.04.2018 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 8:39:12 h | Iwasaki, Kazuo | 佐々木家一門 | Overall: 193 | M: 155 | Cat M55: 7 |
| 2017 | 1 Event, 71 km (More) | ||||
| 23.04.2017 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 8:20:29 h | Iwasaki, Kazuo | 佐々木家一門 | Overall: 228 | M: 181 | Cat M55: 9 |
| 2016 | 2 Events, 171 km (More) | ||||
| 18.09.2016 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 12:55:46 h | Iwasaki, Kazuo | BE Quest | Overall: 670 | M: 602 | Cat M55: 41 |
| 24.04.2016 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 8:07:58 h | Iwasaki, Kazuo | 佐々木家一門 | Overall: 158 | M: 126 | Cat M55: 11 |
| 2015 | 2 Events, 171 km (More) | ||||
| 20.09.2015 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:03:41 h | Iwasaki, Kazuo | BE Quest | Overall: 922 | M: 830 | Cat M55: 68 |
| 19.04.2015 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 7:35:25 h | Iwasaki, Kazuo | be Quest | Overall: 69 | M: 58 | Cat M50: 11 |
| 2014 | 2 Events, 172 km (More) | ||||
| 14.09.2014 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 12:29:17 h | Iwasaki, Kazuo | be Quest | Overall: 570 | M: 511 | Cat M50: 73 |
| 20.04.2014 | Fuji 5 Lakes 72 km Challenge (JPN) | 72km | |||
| 8:04:43 h | Iwasaki, Kazuo | 佐々木家一門 | Overall: 85 | M: 62 | Cat M50: 8 |
| 2013 | 3 Events, 272 km (More) | ||||
| 15.09.2013 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 11:58:08 h | Iwasaki, Kazuo | be Quest | Overall: 414 | M: 377 | Cat M50: 46 |
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:46:02 h | Iwasaki, Kazuo | be Quest | Overall: 992 | M: 873 | Cat M50: 124 |
| 21.04.2013 | Fuji 5 Lakes 72 km Challenge (JPN) | 72km | |||
| 8:07:36 h | Iwasaki, Kazuo | 佐々木家一門 | Overall: 94 | M: 75 | Cat M50: 9 |
| 2012 | 2 Events, 200 km (More) | ||||
| 21.09.2012 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:30:00 h | Iwasaki, Kazuo | Overall: 561 | M: 496 | Cat M50: 49 | |
| 22.04.2012 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:32:04 h | Iwasaki, Kazuo | Overall: 842 | M: 708 | Cat M50: 86 | |
| 2011 | 2 Events, 200 km (More) | ||||
| 18.09.2011 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:57:34 h | Iwasaki, Kazuo | チームわっぱれ | Overall: 713 | M: 627 | Cat M50: 69 |
| 30.04.2011 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:55:50 h | Iwasaki, Kazuo | Overall: 848 | M: 728 | Cat M50: 76 | |
| 2010 | 1 Event, 100 km (More) | ||||
| 19.09.2010 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 11:32:02 h | Iwasaki, Kazuo | チームわっぱれ | Overall: 177 | M: 155 | Cat M50: 15 |
| 2009 | 1 Event, 100 km (More) | ||||
| 26.04.2009 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 11:49:08 h | Iwasaki, Kazuo | チームわっぱれ | Overall: 187 | M: 169 | Cat M45: 25 |
| 2008 | 1 Event, 100 km (More) | ||||
| 14.09.2008 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:09:19 h | Iwasaki, Kazuo | チームわっぱれ | Overall: 331 | M: 295 | Cat M45: 46 |
| 2007 | 1 Event, 100 km (More) | ||||
| 16.09.2007 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:31:45 h | Iwasaki, Kazuo | チームわっぱれ | Overall: 328 | M: 289 | Cat M45: 42 |
| 2006 | 1 Event, 100 km (More) | ||||
| 17.09.2006 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 11:29:37 h | Iwasaki, Kazuo | チームイワサキ | Overall: 127 | M: 124 | Cat M45: 18 |
| 2005 | 1 Event, 100 km (More) | ||||
| 18.09.2005 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 11:30:25 h | Iwasaki, Kazuo | チーム イワサキ | Overall: 69 | M: 60 | Cat M45: 8 |
| 2004 | 1 Event, 100 km (More) | ||||
| 19.09.2004 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:35:38 h | Iwasaki, Kazuo | チーム イワサキ | Overall: 310 | M: 280 | Cat M40: 32 |
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 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 11:46:02 |
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13:42:09
(8645/4594) |
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12:55:46
(7492/4191) |
13:03:41
(8328/4415) |
12:29:17
(5704/2111) |
11:46:02
(4419/1510) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tango 100 km Ultramarathon | 13 | 13:42:09 | 12:55:46 | 13:03:41 | 12:29:17 | 11:58:08 | 13:30:00 | 13:57:34 | 11:32:02 | 13:09:19 | 13:31:45 | 11:29:37 | 11:30:25 | 13:35:38 | |||||
| Fuji 5 Lakes 72 km Challenge | 7 | 9:22:27 | 8:39:12 | 8:20:29 | 8:07:58 | 7:35:25 | 8:04:43 | 8:07:36 | |||||||||||
| Fuji 5 Lakes 100 km Challenge | 3 | 13:32:04 | 13:55:50 | 11:49:08 | |||||||||||||||
| Tango 60 km Ultramarathon | 2 | 9:20:09 | 9:19:18 |





