| Name: | Masuko, Youzou | 益子洋三 |
|
| Club: | クローバークラブ | ||
| Residence: | Tokyo | ||
| Year of birth: | 1960 | (Cat. german: M65) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M65) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 709447 | ||
11 search results (11 Events, 837 km). (More)
| 2025 | 1 Event, 62 km (More) | ||||
|---|---|---|---|---|---|
| 20.04.2025 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 8:32:27 h | Masuko, Youzou | Overall: 339 | M: 242 | Cat M60: 14 | |
| 2024 | 1 Event, 71 km (More) | ||||
| 09.06.2024 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 10:50:35 h | Masuko, Youzou | クローバークラブ | Overall: 817 | M: 564 | Cat M60: 32 |
| 2023 | 2 Events, 122 km (More) | ||||
| 21.05.2023 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 7:57:23 h | Masuko, Youzou | Overall: 206 | M: 177 | Cat M60: 11 | |
| 16.04.2023 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 9:08:13 h | Masuko, Youzou | クローバークラブ | Overall: 549 | M: 395 | Cat M60: 24 |
| 2022 | 1 Event, 62 km (More) | ||||
| 17.04.2022 | Fuji 5 Lakes 62 km Challenge (JPN) | 62km | |||
| 8:37:32 h | Masuko, Youzou | Overall: 484 | M: 353 | Cat M60: 17 | |
| 2018 | 2 Events, 200 km (More) | ||||
| 21.10.2018 | River Shimanto 100km (JPN) | 100km | |||
| 12:50:12 h | Masuko, Youzou | Overall: 776 | M: 680 | Cat M55: 53 | |
| 17.06.2018 | Nikko 100km Ultramarathon (JPN) | 100km | |||
| 13:55:54 h | Masuko, Youzou | クローバークラブ | Overall: 808 | M: 718 | Cat M55: 72 |
| 2017 | 3 Events, 260 km (More) | ||||
| 15.10.2017 | River Shimanto 100km (JPN) | 100km | |||
| 13:24:25 h | Masuko, Youzou | Overall: 978 | M: 840 | Cat M55: 71 | |
| 04.06.2017 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 8:29:02 h | Masuko, Youzou | Overall: 679 | M: 557 | Cat M55: 36 | |
| 23.04.2017 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:49:22 h | Masuko, Youzou | クローバークラブ | Overall: 1212 | M: 1038 | Cat M55: 72 |
| 2015 | 1 Event, 60 km (More) | ||||
| 06.06.2015 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 7:32:49 h | Masuko, Youzou | Overall: 516 | M: 432 | Cat M50: 79 | |
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 | 2018 | 2017 | 2015 | |
|---|---|---|---|---|---|---|---|---|
| 100km | 12:50:12 |
|
|
|
|
12:50:12
(6856/3484) |
13:24:25
(7696/3719) |
|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2018 | 2017 | 2015 | ||
|---|---|---|---|---|---|---|---|---|
| Tokyo Shibamata 60 km | 3 | 7:57:23 | 8:29:02 | 7:32:49 | ||||
| Fuji 5 Lakes 62 km Challenge | 3 | 8:32:27 | 9:08:13 | 8:37:32 | ||||
| River Shimanto 100km | 2 | 12:50:12 | 13:24:25 |





