| Name: | Masukawa, Osamu | 増川修 |
|
| Club: | 増川工務店 | ||
| Residence: | Kyoto Pref. | ||
| Year of birth: | 1976 | (Cat. german: M50) | |
| Date of birth: | 02.02.1976 | (Cat. internat.: M45) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 726517 | ||
11 search results (11 Events, 957 km). (More)
| 2025 | 2 Events, 160 km (More) | ||||
|---|---|---|---|---|---|
| 14.09.2025 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 7:45:29 h | Masukawa, Osamu | Overall: 205 | M: 160 | Cat M45: 9 | |
| 20.04.2025 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 13:32:44 h | Masukawa, Osamu | *Kyoto | Overall: 191 | M: 140 | Cat M45: 14 |
| 2023 | 1 Event, 100 km (More) | ||||
| 23.04.2023 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 12:48:50 h | Masukawa, Osamu | *Kyoto | Overall: 133 | M: 111 | Cat M45: 12 |
| 2022 | 1 Event, 60 km (More) | ||||
| 18.09.2022 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 8:51:06 h | Masukawa, Osamu | Overall: 211 | M: 157 | Cat M45: 15 | |
| 2018 | 2 Events, 200 km (More) | ||||
| 16.09.2018 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:56:41 h | Masukawa, Osamu | 増川工務店 | Overall: 1113 | M: 985 | Cat M40: 138 |
| 22.04.2018 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 12:56:59 h | Masukawa, Osamu | *Kyoto Pref. | Overall: 189 | M: 163 | Cat M40: 25 |
| 2017 | 1 Event, 100 km (More) | ||||
| 23.04.2017 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 11:53:47 h | Masukawa, Osamu | *Kyoto Pref. | Overall: 122 | M: 100 | Cat M40: 14 |
| 2016 | 3 Events, 277 km (More) | ||||
| 16.10.2016 | River Shimanto 100km (JPN) | 100km | |||
| 12:25:26 h | Masukawa, Osamu | 増川工務店 | Overall: 584 | M: 523 | Cat M40: 109 |
| 18.09.2016 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:47:34 h | Masukawa, Osamu | 増川工務店 | Overall: 1132 | M: 1002 | Cat M40: 184 |
| 22.05.2016 | Saba Highway Ultramarathon (JPN) | 77km | |||
| 9:48:42 h | Masukawa, Osamu | Overall: 131 | M: 118 | Cat M40: 22 | |
| 2015 | 1 Event, 60 km (More) | ||||
| 20.09.2015 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 7:11:01 h | Masukawa, Osamu | Overall: 285 | M: 222 | Cat M35: 30 | |
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 | 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|
| 100km | 12:25:26 |
|
|
|
13:56:41
(9349/5075) |
|
12:25:26
(6005/3108) |
|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | ||
|---|---|---|---|---|---|---|---|---|
| Okukumano 100 Km Ultramarathon | 4 | 13:32:44 | 12:48:50 | 12:56:59 | 11:53:47 | |||
| Tango 60 km Ultramarathon | 3 | 7:45:29 | 8:51:06 | 7:11:01 | ||||
| Tango 100 km Ultramarathon | 2 | 13:56:41 | 13:47:34 |





