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| Name: | Iiyama, Koichi | 飯山耕一 |
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| Club: | |||
| Residence: | Chiba Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 709463 | ||
7 search results (7 Events, 632 km). (More)
| 2026 | 2 Events, 172 km (More) | ||||
|---|---|---|---|---|---|
| 28.06.2026 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:44:53 h | Iiyama, Koichi | Overall: 2267 | M: 1944 | Cat M50: 271 | |
| 30.05.2026 | Yokosuka Miura 72km Michikusa Ultra Marathon (JPN) | 72km | |||
| 11:35:21 h | Iiyama, Koichi | Overall: 186 | M: 150 | Cat M50: 18 | |
| 2023 | 1 Event, 100 km (More) | ||||
| 21.05.2023 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:45:20 h | Iiyama, Koichi | Overall: 596 | M: 523 | Cat M50: 71 | |
| 2022 | 1 Event, 100 km (More) | ||||
| 12.06.2022 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 13:32:16 h | Iiyama, Koichi | *Chiba Pref. | Overall: 601 | M: 537 | Cat M45: 117 |
| 2019 | 1 Event, 100 km (More) | ||||
| 19.05.2019 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:54:05 h | Iiyama, Koichi | Overall: 1319 | M: 1203 | Cat M45: 203 | |
| 2017 | 1 Event, 100 km (More) | ||||
| 04.06.2017 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:36:20 h | Iiyama, Koichi | Overall: 1161 | M: 1076 | Cat M40: 187 | |
| 2015 | 1 Event, 60 km (More) | ||||
| 06.06.2015 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 7:39:55 h | Iiyama, Koichi | Overall: 557 | M: 464 | Cat M40: 102 | |
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 | 2026 | 2023 | 2022 | 2019 | 2017 | 2015 | |
|---|---|---|---|---|---|---|---|
| 100km | 12:44:53 |
12:44:53
(4318/1929) |
13:45:20
(6380/3548) |
|
13:54:05
(9500/5158) |
13:36:20
(7970/3873) |
|
Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2023 | 2022 | 2019 | 2017 | 2015 | ||
|---|---|---|---|---|---|---|---|
| Tokyo Shibamata 100 km | 3 | 13:45:20 | 13:54:05 | 13:36:20 |