| Name: | Yako, Keiichi | 八子圭一 |
|
| Club: | ARC | ||
| Residence: | Saitama Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 975279 | ||
8 search results (8 Events, 771 km). (More)
| 2025 | 2 Events, 200 km (More) | ||||
|---|---|---|---|---|---|
| 19.10.2025 | River Shimanto 100km (JPN) | 100km | |||
| 13:24:11 h | Yako, Keiichi | Overall: 718 | M: 593 | Cat M50: 78 | |
| 18.05.2025 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:38:49 h | Yako, Keiichi | Overall: 864 | M: 756 | Cat M50: 129 | |
| 2024 | 2 Events, 200 km (More) | ||||
| 13.10.2024 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 13:10:32 h | Yako, Keiichi | *Gunma Pref. | Overall: 537 | M: 437 | Cat M50: 78 |
| 09.06.2024 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 12:31:39 h | Yako, Keiichi | *Ibaraki Pref. | Overall: 383 | M: 320 | Cat M50: 64 |
| 2022 | 1 Event, 100 km (More) | ||||
| 09.10.2022 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 11:47:54 h | Yako, Keiichi | *Niigata Pref. | Overall: 297 | M: 257 | Cat M45: 58 |
| 2021 | 1 Event, 100 km (More) | ||||
| 03.10.2021 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 12:46:48 h | Yako, Keiichi | *Niigata Pref. | Overall: 54 | M: 44 | Cat M45: 13 |
| 2019 | 1 Event, 100 km (More) | ||||
| 09.06.2019 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 12:19:24 h | Yako, Keiichi | Yako_Man | Overall: 813 | M: 725 | Cat M45: 120 |
| 2017 | 1 Event, 71 km (More) | ||||
| 11.06.2017 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 9:40:04 h | Yako, Keiichi | ARC | Overall: 408 | M: 309 | Cat M40: 37 |
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 | 2022 | 2021 | 2019 | 2017 | |
|---|---|---|---|---|---|---|---|
| 100km | 13:24:11 |
13:24:11
(6649/3054) |
|
|
|
|
|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2022 | 2021 | 2019 | 2017 | ||
|---|---|---|---|---|---|---|---|
| Echigo Kubikino 100km Ultramarathon | 2 | 13:10:32 | 11:47:54 |