| Name: | Iwasaki, Masaaki | 岩崎正昭 |
|
| Club: | Saitama Athletic Association | ||
| Residence: | Kounosu City, Saitama Pref. | ||
| Year of birth: | 1961 | (Cat. german: M65) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M60) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 174128 | ||
29 search results (29 Events, 2700 km). (More)
| 2023 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:02:26 h | Iwasaki, Masaaki | Overall: 1046 | M: 921 | Cat M60: 59 | |
| 2022 | 1 Event, 60 km (More) | ||||
| 15.05.2022 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 6:47:25 h | Iwasaki, Masaaki | Overall: 42 | M: 35 | Cat M60: 1 | |
| 2019 | 2 Events, 160 km (More) | ||||
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:22:50 h | Iwasaki, Masaaki | Overall: 948 | M: 844 | Cat M55: 107 | |
| 12.05.2019 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 7:41:04 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 61 | M: 47 | Cat M55: 5 |
| 2018 | 1 Event, 60 km (More) | ||||
| 13.05.2018 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 6:26:15 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 15 | M: 14 | Cat M55: 2 |
| 2016 | 3 Events, 260 km (More) | ||||
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:53:51 h | Iwasaki, Masaaki | ちんすこう埼玉 | Overall: 164 | M: 152 | Cat M50: 11 |
| 15.05.2016 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 5:54:22 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 7 | M: 7 | Cat M50: 2 |
| 17.01.2016 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 10:49:19 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 58 | M: 51 | Cat M50: 10 |
| 2015 | 3 Events, 260 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:16:34 h | Iwasaki, Masaaki | ちんすこう埼玉 | Overall: 239 | M: 216 | Cat M50: 20 |
| 17.05.2015 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 7:13:54 h | Iwasaki, Masaaki | Overall: 35 | M: 28 | Cat M50: 7 | |
| 11.01.2015 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 9:33:50 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 31 | M: 28 | Cat M50: 3 |
| 2014 | 1 Event, 100 km (More) | ||||
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:30:14 h | Iwasaki, Masaaki | ちんすこう埼玉 | Overall: 340 | M: 297 | Cat M50: 31 |
| 2013 | 2 Events, 200 km (More) | ||||
| 20.10.2013 | River Shimanto 100km (JPN) | 100km | |||
| 9:03:27 h | Iwasaki, Masaaki | 埼玉陸協 | Overall: 47 | M: 45 | Cat M50: 4 |
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:47:56 h | Iwasaki, Masaaki | ちんすこう埼玉 | Overall: 91 | M: 86 | Cat M50: 7 |
| 2012 | 1 Event, 100 km (More) | ||||
| 24.06.2012 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:50:52 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 116 | M: 106 | Cat M50: 9 |
| 2011 | 2 Events, 200 km (More) | ||||
| 16.10.2011 | River Shimanto 100km (JPN) | 100km | |||
| 8:40:26 h | Iwasaki, Masaaki | Saitama Athletic Association | Overall: 25 | M: 23 | Cat M45: 3 |
| 26.06.2011 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:49:48 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 92 | M: 79 | Cat M45: 11 |
| 2010 | 1 Event, 100 km (More) | ||||
| 27.06.2010 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:11:19 h | Iwasaki, Masaaki | Saitama Athletic Association | Overall: 272 | M: 248 | Cat M45: 38 |
| 2009 | 2 Events, 200 km (More) | ||||
| 18.10.2009 | River Shimanto 100km (JPN) | 100km | |||
| 10:20:32 h | Iwasaki, Masaaki | 石垣牛牧走会 | Overall: 157 | M: 141 | Cat M45: 28 |
| 28.06.2009 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:34:48 h | Iwasaki, Masaaki | Saitama Athletic Association | Overall: 245 | M: 223 | Cat M45: 39 |
| 2008 | 1 Event, 100 km (More) | ||||
| 19.10.2008 | River Shimanto 100km (JPN) | 100km | |||
| 10:27:50 h | Iwasaki, Masaaki | 石垣牛牧走会 | Overall: 144 | M: 126 | Cat M45: 23 |
| 2007 | 1 Event, 100 km (More) | ||||
| 14.10.2007 | River Shimanto 100km (JPN) | 100km | |||
| 10:25:26 h | Iwasaki, Masaaki | ダンデライオン | Overall: 162 | M: 145 | Cat M45: 23 |
| 2006 | 1 Event, 100 km (More) | ||||
| 15.10.2006 | River Shimanto 100km (JPN) | 100km | |||
| 10:32:30 h | Iwasaki, Masaaki | ダンデライオン | Overall: 168 | M: 148 | Cat M40: 40 |
| 2005 | 1 Event, 100 km (More) | ||||
| 16.10.2005 | River Shimanto 100km (JPN) | 100km | |||
| 11:31:26 h | Iwasaki, Masaaki | ダンディライオン | Overall: 343 | M: 314 | Cat M40: 58 |
| 2004 | 1 Event, 100 km (More) | ||||
| 17.10.2004 | River Shimanto 100km (JPN) | 100km | |||
| 11:54:35 h | Iwasaki, Masaaki | ダンディライオン | Overall: 456 | M: 410 | Cat M40: 72 |
| 2003 | 1 Event, 100 km (More) | ||||
| 19.10.2003 | River Shimanto 100km (JPN) | 100km | |||
| 11:45:03 h | Iwasaki, Masaaki | Overall: 446 | M: 404 | Cat M40: 69 | |
| 2002 | 1 Event, 100 km (More) | ||||
| 26.05.2002 | Ebisu-Daikoku 100 km Marathon (JPN) | 100km | |||
| 11:24:48 h | Iwasaki, Masaaki | *Kounosu City, Saitama Pref. | Overall: 37 | M: 35 | Cat M40: 4 |
| 2001 | 1 Event, 100 km (More) | ||||
| 21.10.2001 | River Shimanto 100km (JPN) | 100km | |||
| 11:07:30 h | Iwasaki, Masaaki | みつい走かい? | Overall: 209 | M: 190 | Cat M35: 32 |
| 2000 | 1 Event, 100 km (More) | ||||
| 15.10.2000 | River Shimanto 100km (JPN) | 100km | |||
| 11:17:11 h | Iwasaki, Masaaki | *Saitama Pref. | Overall: 221 | M: 206 | Cat M35: 37 |
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 | 2023 | 2022 | 2019 | 2018 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 8:40:26 |
12:02:26
(3624/1747) |
|
11:22:50
(3722/1637) |
|
8:53:51
(607/227) |
9:16:34
(999/357) |
10:30:14
(2164/626) |
8:47:56
(520/123) |
8:50:52
(565/136) |
8:40:26
(404/84) |
10:11:19
(1617/362) |
9:34:48
(1052/285) |
10:27:50
(1682/157) |
10:25:26
(1504/171) |
10:32:30
(1740/182) |
11:31:26
(2455/354) |
11:54:35
(2992/432) |
11:45:03
(2503/415) |
|
11:07:30
(2463/206) |
11:17:11
(2422/213) |
Comparison table
Comparison of performances in races with multiple participations
| 2023 | 2022 | 2019 | 2018 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| River Shimanto 100km | 11 | 9:03:27 | 8:40:26 | 10:20:32 | 10:27:50 | 10:25:26 | 10:32:30 | 11:31:26 | 11:54:35 | 11:45:03 | 11:07:30 | 11:17:11 | ||||||||||
| Lake Saroma 100 Km Ultramarathon | 10 | 12:02:26 | 11:22:50 | 8:53:51 | 9:16:34 | 10:30:14 | 8:47:56 | 8:50:52 | 8:49:48 | 10:11:19 | 9:34:48 | |||||||||||
| Ishigaki Island Ultra Marathon | 5 | 6:47:25 | 7:41:04 | 6:26:15 | 5:54:22 | 7:13:54 | ||||||||||||||||
| Miyako 100 Km Ultramarathon | 2 | 10:49:19 | 9:33:50 |





