| Name: | Iwai, Yumiko | 岩井由美子 |
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| Club: | FOROURS | ||
| Residence: | Gifu Pref. | ||
| Year of birth: | 1967 | (Cat. german: W55) | |
| Date of birth: | 17.10.1967 | (Cat. internat.: W55) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 545803 | ||
10 search results (10 Events, 750 km). (More)
| 2025 | 1 Event, 71 km (More) | ||||
|---|---|---|---|---|---|
| 08.06.2025 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 9:21:52 h | Iwai, Yumiko | Overall: 355 | F: 95 | Cat W55: 6 | |
| 2024 | 1 Event, 71 km (More) | ||||
| 09.06.2024 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 8:54:27 h | Iwai, Yumiko | Forours | Overall: 257 | F: 63 | Cat W55: 4 |
| 2023 | 1 Event, 71 km (More) | ||||
| 11.06.2023 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 9:36:48 h | Iwai, Yumiko | Overall: 309 | F: 76 | Cat W55: 8 | |
| 2018 | 1 Event, 71 km (More) | ||||
| 10.06.2018 | Hida Takayama 71 km Ultramarathon (JPN) | 71km | |||
| 8:52:35 h | Iwai, Yumiko | Forours | Overall: 220 | F: 39 | Cat W50: 7 |
| 2017 | 1 Event, 100 km (More) | ||||
| 11.06.2017 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 12:13:47 h | Iwai, Yumiko | forOURS | Overall: 611 | F: 49 | Cat W45: 12 |
| 2016 | 1 Event, 72 km (More) | ||||
| 12.06.2016 | Hida Takayama 72 km Ultramarathon (JPN) | 72km | |||
| 10:54:24 h | Iwai, Yumiko | Overall: 646 | F: 188 | Cat W45: 27 | |
| 2015 | 2 Events, 122 km (More) | ||||
| 13.09.2015 | 50 km Ultramarathon Hakusan-Shirakawago (JPN) | 50km | |||
| 7:22:51 h | Iwai, Yumiko | Overall: 501 | F: 115 | Cat W45: 15 | |
| 07.06.2015 | Hida Takayama 72 km Ultramarathon (JPN) | 72km | |||
| 10:56:37 h | Iwai, Yumiko | Forours | Overall: 692 | F: 174 | Cat W45: 37 |
| 2014 | 2 Events, 172 km (More) | ||||
| 19.10.2014 | River Shimanto 100km (JPN) | 100km | |||
| 12:48:42 h | Iwai, Yumiko | forOURS | Overall: 686 | F: 94 | Cat W45: 16 |
| 08.06.2014 | Hida Takayama 72 km Ultramarathon (JPN) | 72km | |||
| 9:45:17 h | Iwai, Yumiko | FOROURS | Overall: 306 | F: 51 | Cat W45: 10 |
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 | 2018 | 2017 | 2016 | 2015 | 2014 | |
|---|---|---|---|---|---|---|---|---|---|
| 100km | 12:48:42 |
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12:48:42
(962/373) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2018 | 2017 | 2016 | 2015 | 2014 | ||
|---|---|---|---|---|---|---|---|---|---|
| Hida Takayama 72 km Ultramarathon | 7 | 9:21:52 | 8:54:27 | 9:36:48 | 8:52:35 | 10:54:24 | 10:56:37 | 9:45:17 |





