| Name: | Yamaguchi, Koji | 山口浩司 |
|
| Club: | 月形町役場 | ||
| Residence: | Hokkaido Pref. | ||
| Year of birth: | 1977 | (Cat. german: M45) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M45) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 566158 | ||
15 search results (15 Events, 1500 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:43:16 h | Yamaguchi, Koji | Overall: 247 | M: 224 | Cat M45: 28 | |
| 2024 | 2 Events, 200 km (More) | ||||
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:22:06 h | Yamaguchi, Koji | Overall: 148 | M: 132 | Cat M45: 20 | |
| 19.05.2024 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 11:26:24 h | Yamaguchi, Koji | Overall: 177 | M: 168 | Cat M45: 32 | |
| 2023 | 3 Events, 300 km (More) | ||||
| 07.-08.10.2023 | Yukihashi to Beppu 100 km (JPN) | 100km | |||
| 21:54:44 h | Yamaguchi, Koji | *Kagoshima Pref. | Overall: 1143 | M: 986 | Cat M45: 160 |
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:29:34 h | Yamaguchi, Koji | Overall: 50 | M: 44 | Cat M45: 2 | |
| 21.05.2023 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:17:44 h | Yamaguchi, Koji | Overall: 427 | M: 387 | Cat M45: 50 | |
| 2022 | 1 Event, 100 km (More) | ||||
| 22.05.2022 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:24:43 h | Yamaguchi, Koji | Overall: 620 | M: 554 | Cat M40: 79 | |
| 2019 | 2 Events, 200 km (More) | ||||
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:00:26 h | Yamaguchi, Koji | Overall: 135 | M: 122 | Cat M40: 30 | |
| 19.05.2019 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 12:42:58 h | Yamaguchi, Koji | Overall: 668 | M: 593 | Cat M40: 81 | |
| 2018 | 2 Events, 200 km (More) | ||||
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:18:22 h | Yamaguchi, Koji | Overall: 219 | M: 197 | Cat M40: 42 | |
| 20.05.2018 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:46:25 h | Yamaguchi, Koji | *Kanagawa Pref. | Overall: 1326 | M: 1185 | Cat M40: 176 |
| 2017 | 1 Event, 100 km (More) | ||||
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:13:28 h | Yamaguchi, Koji | 月形町役場 | Overall: 168 | M: 154 | Cat M35: 27 |
| 2016 | 1 Event, 100 km (More) | ||||
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:34:07 h | Yamaguchi, Koji | 月形町役場 | Overall: 298 | M: 267 | Cat M35: 48 |
| 2015 | 1 Event, 100 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:59:05 h | Yamaguchi, Koji | 月形町役場 | Overall: 888 | M: 800 | Cat M35: 121 |
| 2014 | 1 Event, 100 km (More) | ||||
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:37:07 h | Yamaguchi, Koji | 月形商工会青年 | Overall: 663 | M: 579 | Cat M35: 82 |
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 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 8:29:34 |
9:43:16
(1110/380) |
9:22:06
(881/239) |
8:29:34
(353/89) |
|
9:00:26
(638/206) |
9:18:22
(913/309) |
9:13:28
(782/274) |
9:34:07
(1120/450) |
10:59:05
(3455/1489) |
11:37:07
(3970/1268) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 9 | 9:43:16 | 9:22:06 | 8:29:34 | 9:00:26 | 9:18:22 | 9:13:28 | 9:34:07 | 10:59:05 | 11:37:07 | |
| Yatsugatake Nobeyama 100 km | 5 | 11:26:24 | 13:17:44 | 13:24:43 | 12:42:58 | 13:46:25 |





