| Name: | Masaki, Kouichi | 正木幸一 |
|
| Club: | 快体健保rc | ||
| Residence: | Tokyo | ||
| Year of birth: | 1955 | (Cat. german: M70) | |
| Date of birth: | 31.07.1955 | (Cat. internat.: M70) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 347715 | ||
42 search results (42 Events, 3572.77 km). (More)
| 2025 | 4 Events, 404 km (More) | ||||
|---|---|---|---|---|---|
| 17.-18.05.2025 | Kobe Akashi Ultra Marathon (JPN) | 102km | |||
| 23:59:10 h | Masaki, Kouichi | Overall: 120 | M: 90 | Cat M65: 3 | |
| 04.-05.05.2025 | Ultra Walking around Lake Biwa (JPN) | 100km | |||
| 22:53:37 h | Masaki, Kouichi | Overall: 102 | M: 75 | Cat M65: 2 | |
| 01.-02.02.2025 | Nihondaira and Suruganokuni Ultra Run (JPN) | 100km | |||
| 26:38:07 h | Masaki, Kouichi | Overall: 108 | M: 89 | Cat M65: 4 | |
| 11.-12.01.2025 | Nara Mahoroba Ultra Walking (JPN) | 102km | |||
| 26:32:09 h | Masaki, Kouichi | Overall: 196 | M: 145 | Cat M65: 6 | |
| 2024 | 6 Events, 643 km (More) | ||||
| 23.-24.11.2024 | Kyoto Ultra Walking 110km (JPN) | 103km | |||
| 26:31:37 h | Masaki, Kouichi | Overall: 209 | M: 167 | Cat M65: 6 | |
| 14.-15.09.2024 | Nishi Seto Expressway Ultra Run (JPN) | 100km | |||
| 27:34:00 h | Masaki, Kouichi | Overall: 233 | M: 181 | Cat M65: 3 | |
| 08.-09.06.2024 | Awaji Island Round Ultra (JPN) | 110km | |||
| 25:12:56 h | Masaki, Kouichi | Overall: 87 | M: 62 | Cat M65: 2 | |
| 25.-26.05.2024 | Fujisan Issyu Walking (JPN) | 125km | |||
| 29:02:12 h | Masaki, Kouichi | Overall: 182 | M: 149 | Cat M65: 3 | |
| 04.-05.05.2024 | Kobe Akashi Ultra Marathon (JPN) | 102km | |||
| 25:43:40 h | Masaki, Kouichi | Overall: 162 | M: 121 | Cat M65: 3 | |
| 06.-07.04.2024 | Ultra Walking around Lake Biwa (JPN) | 103km | |||
| 23:29:34 h | Masaki, Kouichi | Overall: 147 | M: 122 | Cat M65: 10 | |
| 2023 | 4 Events, 407 km (More) | ||||
| 25.-26.11.2023 | Kyoto Ultra Walking 110km (JPN) | 110km | |||
| 27:08:51 h | Masaki, Kouichi | Overall: 125 | M: 92 | Cat M65: 5 | |
| 28.-29.10.2023 | Shodoshima Round Ultra Run (JPN) | 104km | |||
| 24:06:50 h | Masaki, Kouichi | Overall: 113 | M: 90 | Cat M65: 4 | |
| 16.-17.09.2023 | Nishi Seto Expressway Ultra Run (JPN) | 100km | |||
| 27:18:43 h | Masaki, Kouichi | Overall: 214 | M: 165 | Cat M65: 6 | |
| 25.-26.02.2023 | Nihondaira and Suruganokuni Ultra Run (JPN) | 93km | |||
| 23:33:22 h | Masaki, Kouichi | Overall: 45 | M: 37 | Cat M65: 3 | |
| 2022 | 1 Event, 65 km (More) | ||||
| 17.07.2022 | Yamaguchi Hagi Return (JPN) | 65km | |||
| 13:47:42 h | Masaki, Kouichi | *Okayama Pref. | Overall: 275 | M: 203 | Cat M65: 14 |
| 2021 | 1 Event, 125 km (More) | ||||
| 15.-16.05.2021 | Sengoku Crossroads Ultra Run (JPN) | 125km | |||
| 24:15:55 h | Masaki, Kouichi | Overall: 41 | M: 32 | Cat M65: 2 | |
| 2020 | 2 Events, 184 km (More) | ||||
| 31.10.-01.11.2020 | Shodoshima Round Ultra Run (JPN) | 104km | |||
| 22:32:00 h | Masaki, Kouichi | Overall: 90 | M: 73 | Cat M65: 5 | |
| 20.-21.09.2020 | Nishi Seto Expressway Ultra Run (JPN) | 80km | |||
| 16:59:59 h | Masaki, Kouichi | Overall: 109 | M: 78 | Cat M65: 7 | |
| 2019 | 1 Event, 50 km (More) | ||||
| 12.05.2019 | 50 km Ultramarathon Ako Seaside Park (JPN) | 50km | |||
| 6:20:33 h | Masaki, Kouichi | *Kurashiki, Okayama Pref. | Overall: 44 | M: 37 | Cat M60: 3 |
| 2018 | 3 Events, 212 km (More) | ||||
| 30.09.2018 | Naeba-Sanroku Geopark Tsunan Ultramarathon 64K (JPN) | 64km | |||
| 9:32:18 h | Masaki, Kouichi | 快体健歩rc | Overall: 39 | M: 30 | Cat M60: 1 |
| 03.06.2018 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 11:03:10 h | Masaki, Kouichi | 快体健歩rc | Overall: 1087 | M: 871 | Cat M60: 50 |
| 14.04.2018 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:26:38 h | Masaki, Kouichi | *Tokyo | Overall: 458 | M: 385 | Cat M60: 18 |
| 2017 | 3 Events, 202.6 km (More) | ||||
| 23.-24.09.2017 | SkyView Ultra-Trail 60 - Yamada Noboru Memorial Cup (JPN) | 75km | |||
| 23:34:33 h | Masaki, Kouichi | *Tokyo | Overall: 240 | M: 202 | Cat M60: 7 |
| 03.09.2017 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 49.6km | |||
| 10:11:55 h | Masaki, Kouichi | 小川健人会 | Overall: 280 | M: 257 | Cat M60: 6 |
| 04.06.2017 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:27:22 h | Masaki, Kouichi | 快体健保rc | Overall: 1013 | M: 823 | Cat M60: 42 |
| 2016 | 4 Events, 296.4 km (More) | ||||
| 11.12.2016 | Izu Trail Journey (JPN) | 71.7km | |||
| 14:06:09 h | Masaki, Kouichi | *Tokyo | Overall: 1294 | M: 1117 | Cat M60: 21 |
| 19.11.2016 | FunTrails50K Two Lakes&Green line (JPN) | 52km | |||
| 10:43:16 h | Masaki, Kouichi | 快体健歩 | Overall: 333 | M: 284 | Cat M60: 7 |
| 26.06.2016 | Spatrail - Shima to Kusatsu (JPN) | 72.7km | |||
| 13:00:05 h | Masaki, Kouichi | Overall: 710 | M: 608 | Cat M60: 13 | |
| 24.04.2016 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:21:26 h | Masaki, Kouichi | Overall: 920 | M: 806 | Cat M60: 25 | |
| 2015 | 5 Events, 341.6 km (More) | ||||
| 27.10.2015 | Shinshu-Togakushi Trail Run Race (JPN) | 45km | |||
| 9:17:22 h | Masaki, Kouichi | Overall: 268 | M: 240 | Cat M60: 7 | |
| 17.10.2015 | Inagawa 100km Ultra-Marathon (JPN) | 100km | |||
| 14:51:48 h | Masaki, Kouichi | Overall: 154 | M: 123 | Cat M60: 11 | |
| 06.09.2015 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 49.6km | |||
| 9:42:06 h | Masaki, Kouichi | *Tokyo | Overall: 269 | M: 243 | Cat M60: 6 |
| 22.06.2015 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:37:54 h | Masaki, Kouichi | 快体健保rc | Overall: 1082 | M: 901 | Cat M55: 84 |
| 11.04.2015 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:56:49 h | Masaki, Kouichi | 快体健歩 | Overall: 442 | M: 361 | Cat M55: 29 |
| 2014 | 4 Events, 260 km (More) | ||||
| 31.08.2014 | Tsukuba Renjyo 48 Km Road & Trail Run (JPN) | 48km | |||
| 7:16:18 h | Masaki, Kouichi | *Tokyo | Overall: 99 | M: 92 | Cat M55: 7 |
| 27.07.2014 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 11:46:26 h | Masaki, Kouichi | 快体健歩rc | Overall: 986 | M: 772 | Cat M55: 85 |
| 20.-21.07.2014 | Nozawa Onsen 4100D Mountain Trail (JPN) | 65km | |||
| 14:47:44 h | Masaki, Kouichi | Overall: 376 | M: 333 | Cat M55: 13 | |
| 12.04.2014 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:37:24 h | Masaki, Kouichi | 快体健歩 | Overall: 360 | M: 308 | Cat M55: 28 |
| 2013 | 3 Events, 297.4 km (More) | ||||
| 15.-16.09.2013 | Karisakatoge beyond Chichibu Run (JPN) | 142km | |||
| 24:45:06 h | Masaki, Kouichi | 快体健歩rc | Overall: 150 | M: 136 | Cat M55: 12 |
| 28.07.2013 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:51:55 h | Masaki, Kouichi | 快体健歩rc | Overall: 1036 | M: 813 | Cat M55: 88 |
| 15.-16.06.2013 | Tokyo Challenge 12 hours (JPN) | 12h | |||
| 78.400 km | Masaki, Kouichi | Overall: 25 | M: 17 | Cat M55: 1 | |
| 2012 | 1 Event, 84.77 km (More) | ||||
| 01.-02.09.2012 | Hiratsuka 12 hour race (JPN) | 12h | |||
| 84.770 km | Masaki, Kouichi | Overall: 19 | M: 13 | Cat M55: 1 | |
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 | 2012 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultramarathon Okumusashi | 5 | 11:03:10 | 10:27:22 | 10:37:54 | 11:46:26 | 10:51:55 | |||||||||
| Toda Saiko 70 km | 3 | 8:26:38 | 8:56:49 | 8:37:24 | |||||||||||
| Nishi Seto Expressway Ultra Run | 2 | 27:34:00 | 27:18:43 | ||||||||||||
| Kyoto Ultra Walking 110km | 2 | 26:31:37 | 27:08:51 | ||||||||||||
| Shodoshima Round Ultra Run | 2 | 24:06:50 | 22:32:00 | ||||||||||||
| Ultra Walking around Lake Biwa | 2 | 22:53:37 | 23:29:34 | ||||||||||||
| Nihondaira and Suruganokuni Ultra Run | 2 | 26:38:07 | 23:33:22 | ||||||||||||
| Kobe Akashi Ultra Marathon | 2 | 23:59:10 | 25:43:40 | ||||||||||||
| Trainic world Ogose-Tokigawa Trail Run 50km | 2 | 10:11:55 | 9:42:06 |





