| Name: | Niikawa, Kazuo | 新川和男 |
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| Club: | アミノ和歌山 | ||
| Residence: | Wakayama Pref. | ||
| Year of birth: | 1962 | (Cat. german: M60) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M60) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 817127 | ||
17 search results (17 Events, 1356 km). (More)
| 2025 | 1 Event, 64 km (More) | ||||
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| 28.09.2025 | Muraoka 64 km Ultra Marathon (JPN) | 64km | |||
| 8:10:14 h | Niikawa, Kazuo | アミノ和歌山 | Overall: 350 | M: 254 | Cat M60: 40 |
| 2024 | 2 Events, 188 km (More) | ||||
| 29.09.2024 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 13:55:04 h | Niikawa, Kazuo | アミノ和歌山 | Overall: 156 | M: 106 | Cat M60: 15 |
| 21.04.2024 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 14:33:15 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 224 | M: 174 | Cat M60: 18 |
| 2023 | 3 Events, 244 km (More) | ||||
| 21.-22.10.2023 | Mt. Rocco Cannonball Run - 56 km Night Speed (JPN) | 56km | |||
| 9:58:00 h | Niikawa, Kazuo | Overall: 49 | M: 44 | Cat M60: 2 | |
| 24.09.2023 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 13:19:01 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 129 | M: 81 | Cat M60: 11 |
| 23.04.2023 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 14:05:00 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 230 | M: 180 | Cat M60: 23 |
| 2022 | 2 Events, 145 km (More) | ||||
| 29.09.2022 | Muraoka 45 km Ultra Marathon (JPN) | 45km | |||
| 6:08:34 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 616 | M: 482 | Cat M55: 70 |
| 17.04.2022 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:21:33 h | Niikawa, Kazuo | Overall: 870 | M: 741 | Cat M55: 70 | |
| 2020 | 1 Event, 56 km (More) | ||||
| 18.10.2020 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 8:56:29 h | Niikawa, Kazuo | Overall: 186 | M: 167 | Cat M55: 7 | |
| 2019 | 3 Events, 244 km (More) | ||||
| 20.10.2019 | Mt. Rocco Cannonball Run - 56 Km Speed (JPN) | 56km | |||
| 18:56:00 h | Niikawa, Kazuo | Overall: 268 | M: 233 | Cat M55: 9 | |
| 29.09.2019 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 13:43:08 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 204 | M: 112 | Cat M55: 13 |
| 28.04.2019 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 13:39:37 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 294 | M: 243 | Cat M55: 30 |
| 2018 | 2 Events, 200 km (More) | ||||
| 21.10.2018 | River Shimanto 100km (JPN) | 100km | |||
| 12:33:23 h | Niikawa, Kazuo | Overall: 676 | M: 598 | Cat M55: 44 | |
| 22.04.2018 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 14:24:36 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 347 | M: 277 | Cat M55: 43 |
| 2017 | 1 Event, 100 km (More) | ||||
| 23.04.2017 | Okukumano 100 Km Ultramarathon (JPN) | 100km | |||
| 13:21:01 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 220 | M: 178 | Cat M50: 24 |
| 2016 | 2 Events, 115 km (More) | ||||
| 11.09.2016 | Koyasan and Ryujin-Onsen 50 Km Ultra Marathon (JPN) | 50km | |||
| 6:13:04 h | Niikawa, Kazuo | Overall: 238 | M: 193 | Cat M50: 20 | |
| 24.04.2016 | Okukumano 65 Km Ultramarathon (JPN) | 65km | |||
| 7:06:15 h | Niikawa, Kazuo | *Wakayama Pref. | Overall: 20 | M: 13 | Cat M50: 4 |
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 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 50km | 6:13:04 |
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6:13:04
(13284/365) |
| 100km | 12:33:23 |
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12:33:23
(6121/3013) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2020 | 2019 | 2018 | 2017 | 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Okukumano 100 Km Ultramarathon | 5 | 14:33:15 | 14:05:00 | 13:39:37 | 14:24:36 | 13:21:01 | ||||
| Mt. Rocco Cannonball Run - 56 Km Speed | 3 | 9:58:00 | 8:56:29 | 18:56:00 | ||||||
| Muraoka 88 km Ultra Marathon | 3 | 13:55:04 | 13:19:01 | 13:43:08 |





