| Name: | Iwaki, Yuji | 岩城裕治 |
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| Club: | (株)達川組 | ||
| Residence: | Fukuchiyama | ||
| Year of birth: | 1968 | (Cat. german: M55) | |
| Date of birth: | 30.06.1968 | (Cat. internat.: M55) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 455735 | ||
26 search results (26 Events, 2455.934 km). (More)
| 2025 | 2 Events, 170 km (More) | ||||
|---|---|---|---|---|---|
| 02.-03.11.2025 | OSJ Kami 100 (JPN) | 100km | |||
| 23:49:19 h | Iwaki, Yuji | 走る栄養研究所rn | Overall: 129 | M: 116 | Cat M55: 8 |
| 11.-12.01.2025 | Super Ashida Castle Endurance Race 70km (JPN) | 70km | |||
| 21:07:00 h | Iwaki, Yuji | Overall: 5 | M: 4 | Cat M55: 1 | |
| 2024 | 2 Events, 216.934 km (More) | ||||
| 20.-21.10.2024 | Mt. Rocco Cannonball Run - 56 km Speed (JPN) | 56km | |||
| 7:24:52 h | Iwaki, Yuji | Overall: 14 | M: 13 | Cat M55: 1 | |
| 03.-04.05.2024 | Yarikan 100 (JPN) | 100mi | |||
| 35:31:00 h | Iwaki, Yuji | Overall: 52 | M: 46 | Cat M55: 3 | |
| 2023 | 3 Events, 273 km (More) | ||||
| 04.-05.11.2023 | OSJ Kami 100 (JPN) | 112km | |||
| 23:06:53 h | Iwaki, Yuji | *Kyoto | Overall: 112 | M: 98 | Cat M55: 7 |
| 02.-04.06.2023 | Tamba 100 Adventure Trail - 100km (JPN) | 103km | |||
| 42:55:39 h | Iwaki, Yuji | Overall: 62 | M: 57 | Cat M50: 10 | |
| 18.-19.03.2023 | Hikami Aogaki Great Trail (HAGT) (JPN) | 58km | |||
| 17:32:30 h | Iwaki, Yuji | 走る栄養研究所rn | Overall: 24 | M: 22 | Cat M50: 6 |
| 2022 | 2 Events, 268 km (More) | ||||
| 05.-06.11.2022 | OSJ Kami 100 (JPN) | 100km | |||
| 24:06:09 h | Iwaki, Yuji | 創生建設株式会社 | Overall: 125 | M: 114 | Cat M50: 16 |
| 19.-20.03.2022 | Mt. Rocco Cannonball Run - 168 km Rainbow (JPN) | 168km | |||
| 30:47:07 h | Iwaki, Yuji | Overall: 17 | M: 17 | Cat M50: 4 | |
| 2021 | 2 Events, 224 km (More) | ||||
| 16.-17.10.2021 | Mt. Rocco Cannonball Run - 168 km Rainbow (JPN) | 168km | |||
| 28:44:24 h | Iwaki, Yuji | Overall: 11 | M: 9 | Cat M50: 2 | |
| 21.03.2021 | Mt. Rocco Cannonball Run - 56 km Speed (JPN) | 56km | |||
| 9:36:44 h | Iwaki, Yuji | ヤルヤル父娘speed Buddy | Overall: 231 | M: 194 | Cat M50: 21 |
| 2020 | 1 Event, 112 km (More) | ||||
| 21.-22.03.2020 | Mt. Rocco Cannonball Run - 112 Km Power (JPN) | 112km | |||
| 18:58:54 h | Iwaki, Yuji | Overall: 40 | M: 38 | Cat M50: 7 | |
| 2019 | 1 Event, 73 km (More) | ||||
| 27.10.2019 | OSJ Hyonosen Mountains Trail Race (JPN) | 73km | |||
| 13:04:07 h | Iwaki, Yuji | Overall: 106 | M: 100 | Cat M50: 6 | |
| 2018 | 4 Events, 254 km (More) | ||||
| 20.10.2018 | OSJ Hyonosen Mountains Trail Race (JPN) | 73km | |||
| 13:44:42 h | Iwaki, Yuji | Overall: 181 | M: 169 | Cat M50: 19 | |
| 23.09.2018 | Forestrail Shinjo-Hiruzen (JPN) | 75km | |||
| 13:55:25 h | Iwaki, Yuji | Overall: 130 | M: 119 | Cat M50: 12 | |
| 12.05.2018 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 9:50:26 h | Iwaki, Yuji | *Kyoto Pref. | Overall: 331 | M: 301 | Cat M45: 57 |
| 25.03.2018 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 6:57:43 h | Iwaki, Yuji | Overall: 34 | M: 30 | Cat M45: 4 | |
| 2017 | 1 Event, 112 km (More) | ||||
| 21.-22.10.2017 | Mt. Rocco Cannonball Run - 112 Km Power (JPN) | 112km | |||
| 15:28:00 h | Iwaki, Yuji | チョコバッツ | Overall: 14 | M: 13 | Cat M45: 1 |
| 2016 | 3 Events, 324 km (More) | ||||
| 22.-23.10.2016 | Mt. Rocco Cannonball Run - 112 Km Power (JPN) | 112km | |||
| 18:04:21 h | Iwaki, Yuji | Overall: 25 | M: 23 | Cat M45: 2 | |
| 25.09.2016 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 11:24:29 h | Iwaki, Yuji | Overall: 82 | M: 73 | Cat M45: 15 | |
| 26.-27.03.2016 | Mt. Rocco Cannonball Run - 112 Km Power (JPN) | 112km | |||
| 18:24:00 h | Iwaki, Yuji | Overall: 71 | M: 67 | Cat M45: 12 | |
| 2015 | 2 Events, 156 km (More) | ||||
| 18.10.2015 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 7:33:36 h | Iwaki, Yuji | 裸足frc | Overall: 60 | M: 57 | Cat M45: 3 |
| 20.09.2015 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 10:17:03 h | Iwaki, Yuji | 福知山jc | Overall: 147 | M: 140 | Cat M45: 26 |
| 2014 | 2 Events, 173 km (More) | ||||
| 19.10.2014 | OSJ Hyonosen Mountains Trail Race (JPN) | 73km | |||
| 13:14:18 h | Iwaki, Yuji | 裸足rc | Overall: 239 | M: 232 | Cat M45: 34 |
| 14.09.2014 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 11:26:33 h | Iwaki, Yuji | 福知山JC | Overall: 325 | M: 303 | Cat M45: 62 |
| 2013 | 1 Event, 100 km (More) | ||||
| 15.09.2013 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:56:37 h | Iwaki, Yuji | (株)達川組 | Overall: 1325 | M: 1207 | Cat M45: 206 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 10:17:03 |
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10:17:03
(2266/944) |
11:26:33
(3632/1140) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Rocco Cannonball Run - 56 Km Speed | 4 | 7:24:52 | 9:36:44 | 6:57:43 | 7:33:36 | |||||||||
| OSJ Kami 100 | 3 | 23:49:19 | 23:06:53 | 24:06:09 | ||||||||||
| Mt. Rocco Cannonball Run - 112 Km Power | 3 | 18:58:54 | 15:28:00 | 18:24:00 | ||||||||||
| OSJ Hyonosen Mountains Trail Race | 3 | 13:04:07 | 13:44:42 | 13:14:18 | ||||||||||
| Tango 100 km Ultramarathon | 3 | 10:17:03 | 11:26:33 | 13:56:37 | ||||||||||
| Mt. Rocco Cannonball Run - 168 km Rainbow | 2 | 30:47:07 | 28:44:24 |





