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| Name: | Iwatate, Koichi | 岩立幸一 |
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| Club: | チーム凰 | ||
| Residence: | Yoshikawa | ||
| Year of birth: | 1971 | (Cat. german: M55) | |
| Date of birth: | 16.09.1971 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 463860 | ||
74 search results (69 Events, 13114.859 km). (More)
| 2025 | 5 Events, 956.103 km (More) | ||||
|---|---|---|---|---|---|
| 12.-13.10.2025 | Aizu Yanaizu Akabeko Marathon - 24h (JPN) | 24h | |||
| 147.000 km | Iwatate, Koichi | Overall: 12 | M: 12 | Cat M50: 3 | |
| 13.-14.09.2025 | Shonan Int. Relay Marathon 24 Hour Run (JPN) | 24h | |||
| 105.127 km | Iwatate, Koichi | Overall: 22 | M: 20 | Cat M50: 7 | |
| 21.-22.06.2025 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 123.500 km | Iwatate, Koichi | Overall: 38 | M: 34 | Cat M50: 13 | |
| 23.-25.05.2025 | Hirosaki 48h Ultra Run (JPN) | 48h | |||
| 261.965 km | Iwatate, Koichi | チーム凰 | Overall: 10 | M: 8 | Cat M50: 2 |
| 21.-23.02.2025 | Taipei 48hr Ultra Marathon - 100mi Split (TPE) | 100mi | |||
| 18:19:31 h | Iwatate, Koichi | Overall: 7 | M: 5 | Cat M50: 1 | |
| 21.-23.02.2025 | Taipei 48hr Ultra Marathon (TPE) | 48h | |||
| 318.511 km | Iwatate, Koichi | Overall: 15 | M: 10 | Cat M50: 2 | |
| 21.-22.02.2025 | Taipei 48hr Ultra Marathon - 24h Split (TPE) | 24h | |||
| 195.334 km | Iwatate, Koichi | Overall: 9 | M: 7 | Cat M50: 2 | |
| 21.-22.02.2025 | Taipei 48hr Ultra Marathon - 12h Split (TPE) | 12h | |||
| 112.284 km | Iwatate, Koichi | Overall: 8 | M: 6 | Cat M50: 1 | |
| 2024 | 7 Events, 1673.803 km (More) | ||||
| 01.-03.11.2024 | Last Samurai Standing Backyard Ultra - Fukushima (JPN) | 52h | |||
| 234.710 km | Iwatate, Koichi | Overall: 8 | M: 7 | Cat M50: 3 | |
| 14.-16.09.2024 | Utsukushima Fukushima Journey Run 250K (JPN) | 250km | |||
| 40:23:44 h | Iwatate, Koichi | チーム凰 | Overall: 10 | M: 8 | Cat M50: 6 |
| 13.-15.07.2024 | Michinoku Tsugaru Journey Run 266K (JPN) | 266km | |||
| 43:26:02 h | Iwatate, Koichi | チーム凰 | Overall: 8 | M: 7 | Cat M50: 5 |
| 20.-22.05.2024 | Hirosaki 48h Ultra Run (JPN) | 48h | |||
| 362.093 km | Iwatate, Koichi | チーム凰 | Overall: 1 | M: 1 | Cat M50: 1 |
| 03.-05.05.2024 | River Road Foot Race 251 Km (JPN) | 251km | |||
| 35:55:19 h | Iwatate, Koichi | チーム凰 | Overall: 7 | M: 6 | Cat M50: 4 |
| 20.04.2024 | Sakura Michi Kokusai Nature Run (Half) (JPN) | 110km | |||
| 12:39:00 h | Iwatate, Koichi | Overall: 34 | M: 28 | Cat M50: 9 | |
| 07.-08.01.2024 | Japan Trophy 200 (JPN) | 200km | |||
| 28:16:01 h | Iwatate, Koichi | Overall: 20 | M: 18 | Cat M50: 5 | |
| 2023 | 6 Events, 1693.922 km (More) | ||||
| 23.-25.11.2023 | Last Samurai Standing Backyard Ultra - Fukushima (JPN) | 52h | |||
| 254.828 km | Iwatate, Koichi | Overall: 4 | M: 4 | Cat M50: 3 | |
| 15.-17.07.2023 | Michinoku Tsugaru Journey Run 263K (JPN) | 266km | |||
| 42:04:52 h | Iwatate, Koichi | チーム凰 | Overall: 3 | M: 3 | Cat M50: 1 |
| 26.-28.05.2023 | Hirosaki 48h Ultra Run (JPN) | 48h | |||
| 225.000 km | Iwatate, Koichi | チーム凰 | Overall: 22 | M: 20 | Cat M50: 8 |
| 30.04.-05.05.2023 | River Road Foot Race 513 Km (JPN) | 513km | |||
| 3d 17:44:41 h | Iwatate, Koichi | Overall: 5 | M: 4 | Cat M50: 4 | |
| 21.-24.04.2023 | Sakura Michi Kokusai Nature Run (JPN) | 250km | |||
| 27:36:00 h | Iwatate, Koichi | Overall: 5 | M: 5 | Cat M50: 2 | |
| 11.-12.03.2023 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 185.094 km | Iwatate, Koichi | Overall: 38 | M: 31 | Cat M50: 7 | |
| 11.-12.03.2023 | Jingu Gaien 24 Hour Challenge -12h Split (JPN) | 12h | |||
| 101.948 km | Iwatate, Koichi | Overall: 50 | M: 40 | Cat M50: 6 | |
| 11.03.2023 | Jingu Gaien 24 Hour Challenge - 6h Split (JPN) | 6h | |||
| 55.608 km | Iwatate, Koichi | Overall: 55 | M: 46 | Cat M50: 6 | |
| 2022 | 4 Events, 1092.683 km (More) | ||||
| 19.-21.11.2022 | Last Samurai Standing Backyard Ultra - Fukushima (JPN) | 37h | |||
| 160.944 km | Iwatate, Koichi | Overall: 12 | M: 11 | Cat M50: 3 | |
| 16.-17.07.2022 | Fuji Hokuroku Park 24h (JPN) | 24h | |||
| 159.600 km | Iwatate, Koichi | Overall: 6 | M: 6 | Cat M50: 1 | |
| 21.-23.05.2022 | Hirosaki 48h Ultra Run (JPN) | 48h | |||
| 259.139 km | Iwatate, Koichi | チーム凰 | Overall: 9 | M: 7 | Cat M50: 2 |
| 30.04.-05.05.2022 | River Road Foot Race 513 Km (JPN) | 513km | |||
| 3d 16:10:12 h | Iwatate, Koichi | チーム凰 | Overall: 6 | M: 6 | Cat M50: 3 |
| 2021 | 4 Events, 942.8 km (More) | ||||
| 30.-31.10.2021 | Autumn leaves in Okumusashi / Chichibu Journey run (JPN) | 146km | |||
| 19:54:10 h | Iwatate, Koichi | Overall: 52 | M: 46 | Cat M50: 13 | |
| 04.07.2021 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 58.800 km | Iwatate, Koichi | チーム凰 | Overall: 262 | M: 166 | Cat M45: 33 |
| 30.04.-05.05.2021 | River Road Foot Race 503 Km (JPN) | 503km | |||
| 4d 02:37:02 h | Iwatate, Koichi | Overall: 11 | M: 10 | Cat M45: 4 | |
| 27.-28.02.2021 | Little Edo Oedo 235k (JPN) | 235km | |||
| 27:44:44 h | Iwatate, Koichi | チーム凰 | Overall: 3 | M: 3 | Cat M45: 1 |
| 2020 | 3 Events, 1829.5 km (More) | ||||
| 19.09.-06.10.2020 | Across Honshu Lengthwise Foot Race (JPN) | 1521km | |||
| 14d 11:35:00 h | Iwatate, Koichi | Overall: 1 | M: 1 | Cat M45: 1 | |
| 05.07.2020 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 73.500 km | Iwatate, Koichi | チーム凰 | Overall: 45 | M: 38 | Cat M45: 6 |
| 22.-23.02.2020 | Little Edo Oedo 235k (JPN) | 235km | |||
| 27:18:12 h | Iwatate, Koichi | チーム凰 | Overall: 3 | M: 3 | Cat M45: 1 |
| 2019 | 6 Events, 1192.934 km (More) | ||||
| 14.-15.09.2019 | Shonan Int. Relay Marathon 24 Hour Run (JPN) | 24h | |||
| 240.500 km | Iwatate, Koichi | Overall: 1 | M: 1 | Cat M45: 1 | |
| 13.-14.07.2019 | OSJ Ontake 100 Mile Ultra Trail (JPN) | 100mi | |||
| 19:52:19 h | Iwatate, Koichi | Overall: 10 | M: 10 | Cat M45: 1 | |
| 01.-02.06.2019 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 208.500 km | Iwatate, Koichi | Overall: 3 | M: 2 | Cat M45: 2 | |
| 20.-22.04.2019 | Sakura Michi Kokusai Nature Run (JPN) | 250km | |||
| 25:27:00 h | Iwatate, Koichi | Overall: 2 | M: 2 | Cat M45: 1 | |
| 24.03.2019 | Ibaraki 100k Ultra Marathon (JPN) | 100km | |||
| 8:45:36 h | Iwatate, Koichi | チーム凰 | Overall: 22 | M: 21 | Cat M45: 3 |
| 23.-24.02.2019 | Little Edo Oedo 230k (JPN) | 233km | |||
| 27:12:19 h | Iwatate, Koichi | チーム凰 | Overall: 3 | M: 3 | Cat M45: 1 |
| 2018 | 6 Events, 897.651 km (More) | ||||
| 10.-11.11.2018 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 156.251 km | Iwatate, Koichi | Overall: 87 | M: 66 | Cat M45: 12 | |
| 20.10.2018 | Tokyo Katsushika Ultra Marathon - 100km (JPN) | 100km | |||
| 9:25:12 h | Iwatate, Koichi | Overall: 4 | M: 4 | Cat M45: 3 | |
| 07.-08.10.2018 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 16:49:30 h | Iwatate, Koichi | チーム凰 | Overall: 558 | M: 496 | Cat M45: 118 |
| 29.-30.09.2018 | Coedo Kawagoe Running Fest 24-hours run (JPN) | 24h | |||
| 202.400 km | Iwatate, Koichi | Overall: 1 | M: 1 | Cat M45: 1 | |
| 02.-03.06.2018 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 117.500 km | Iwatate, Koichi | Overall: 50 | M: 40 | Cat M45: 8 | |
| 21.-23.04.2018 | Sakura Michi Kokusai Nature Run (JPN) | 250km | |||
| 35:26:00 h | Iwatate, Koichi | Overall: 68 | M: 56 | Cat M45: 16 | |
| 2017 | 8 Events, 1146.556 km (More) | ||||
| 11.-12.11.2017 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 214.716 km | Iwatate, Koichi | Overall: 18 | M: 16 | Cat M45: 5 | |
| 08.-09.10.2017 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:58:28 h | Iwatate, Koichi | チーム凰 | Overall: 90 | M: 84 | Cat M45: 12 |
| 30.09.-01.10.2017 | Coedo Kawagoe Running Fest 24-hours run (JPN) | 24h | |||
| 221.340 km | Iwatate, Koichi | Overall: 1 | M: 1 | Cat M45: 1 | |
| 15.07.2017 | OSJ Ontake 100km Ultra Trail (JPN) | 100km | |||
| 13:41:07 h | Iwatate, Koichi | *Saitama Pref. | Overall: 196 | M: 176 | Cat M45: 38 |
| 04.06.2017 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 11:31:48 h | Iwatate, Koichi | Overall: 501 | M: 478 | Cat M45: 111 | |
| 20.-21.05.2017 | Trainic World 100 Km in Sai-No-Kuni (JPN) | 106km | |||
| 27:46:59 h | Iwatate, Koichi | 小鳥キッス | Overall: 122 | M: 106 | Cat M45: 20 |
| 23.04.2017 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 9:42:52 h | Iwatate, Koichi | 小鳥キッス | Overall: 106 | M: 102 | Cat M45: 20 |
| 04.-05.03.2017 | Little Edo Oedo 230k (JPN) | 233km | |||
| 26:57:19 h | Iwatate, Koichi | Overall: 1 | M: 1 | Cat M45: 1 | |
| 2016 | 7 Events, 601.1 km (More) | ||||
| 13.11.2016 | Kanna Mountain Run (JPN) | 50km | |||
| 6:43:54 h | Iwatate, Koichi | *Saitama Pref. | Overall: 11 | M: 11 | Cat M45: 1 |
| 09.-10.10.2016 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 16:40:44 h | Iwatate, Koichi | Overall: 914 | M: 838 | Cat M45: 188 | |
| 28.08.2016 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 70km | |||
| 8:04:30 h | Iwatate, Koichi | 草加走ろう会 | Overall: 24 | M: 24 | Cat M40: 3 |
| 10.07.2016 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 49.6km | |||
| 8:13:13 h | Iwatate, Koichi | Overall: 51 | M: 48 | Cat M40: 10 | |
| 05.06.2016 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 6:55:32 h | Iwatate, Koichi | 草加走ろう会 | Overall: 69 | M: 68 | Cat M40: 14 |
| 29.04.2016 | Ishioka Trail Run (JPN) | 49km | |||
| 5:23:21 h | Iwatate, Koichi | 草加走ろう会 | Overall: 26 | M: 26 | Cat M40: 5 |
| 05.-06.03.2016 | Little Edo Oedo 230k (JPN) | 233km | |||
| 32:19:35 h | Iwatate, Koichi | *Yoshikawa, Saitama City, | Overall: 11 | M: 11 | Cat M40: 4 |
| 2015 | 5 Events, 499.395 km (More) | ||||
| 30.08.2015 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 70km | |||
| 9:37:45 h | Iwatate, Koichi | 草加走ろう会 | Overall: 94 | M: 87 | Cat M40: 24 |
| 12.07.2015 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 49.395 km | Iwatate, Koichi | *Saitama Ken | Overall: 85 | M: 65 | Cat M40: 12 |
| 22.06.2015 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 8:29:36 h | Iwatate, Koichi | 草加走ろう会 | Overall: 364 | M: 323 | Cat M40: 66 |
| 28.-29.05.2015 | Tokorozawa Road to Morning - 100km (JPN) | 100km | |||
| 11:23:34 h | Iwatate, Koichi | Overall: 8 | M: 8 | Cat M40: 2 | |
| 28.02.-01.03.2015 | Little Edo Oedo 200k (JPN) | 203km | |||
| 31:45:45 h | Iwatate, Koichi | *Saitama Pref. | Overall: 86 | M: 80 | Cat M40: 12 |
| 2014 | 4 Events, 318.412 km (More) | ||||
| 31.08.2014 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 70km | |||
| 10:32:11 h | Iwatate, Koichi | 新三郷楽走会 | Overall: 61 | M: 57 | Cat M40: 15 |
| 27.07.2014 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:40:50 h | Iwatate, Koichi | 新三郷楽走会 | Overall: 387 | M: 327 | Cat M40: 55 |
| 06.07.2014 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 71.412 km | Iwatate, Koichi | *Saitama Ken | Overall: 22 | M: 18 | Cat M40: 2 |
| 06.04.2014 | Tsurunuma 100 km (JPN) | 100km | |||
| 9:25:39 h | Iwatate, Koichi | 新三郷楽走会 | Overall: 8 | M: 8 | Cat M40: 2 |
| 2013 | 4 Events, 270 km (More) | ||||
| 10.11.2013 | Kanna Mountain Run (JPN) | 50km | |||
| 8:12:07 h | Iwatate, Koichi | 新三郷楽走会 | Overall: 42 | M: 38 | Cat M40: 8 |
| 08.09.2013 | Tsurunuma 52 km (JPN) | 52km | |||
| 4:45:53 h | Iwatate, Koichi | 新三郷走友会 | Overall: 24 | M: 22 | Cat M40: 5 |
| 28.07.2013 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 8:33:59 h | Iwatate, Koichi | 新三郷楽走会 | Overall: 320 | M: 272 | Cat M40: 54 |
| 02.03.2013 | Little Edo 91km (JPN) | 91km | |||
| 11:30:48 h | Iwatate, Koichi | 新三郷楽走会 | Overall: 14 | M: 12 | Cat M40: 5 |
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 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | |
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| 100km | 11:31:48 |
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11:31:48
(3888/1654) |
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| 100mi | 18:19:31 |
18:19:31
(237/8) |
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| 6h | 55.608 |
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55.608
(1715/49) |
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| 12h | 112.284 |
112.284
(459/37) |
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101.948
(821/51) |
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| 24h | 214.716 |
195.334
(424/37) |
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185.094
(526/31) |
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156.251
(1201/77) |
214.716
(181/20) |
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| 48h | 362.093 |
318.511
(50/6) |
362.093
(4/2) |
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Comparison table
Comparison of performances in races with multiple participations