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| Name: | Kasai, Ayumu | 笠井歩 |
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| Club: | WHITANS | ||
| Residence: | Tokyo | ||
| Year of birth: | 1975 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 373687 | ||
9 search results (9 Events, 631 km). (More)
| 2025 | 1 Event, 50 km (More) | ||||
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| 21.12.2025 | Okinawa 50km Ultramarathon (JPN) | 50km | |||
| 4:40:12 h | Kasai, Ayumu | *Tokyo | Overall: 14 | M: 11 | Cat M45: 2 |
| 2019 | 1 Event, 50 km (More) | ||||
| 15.12.2019 | Okinawa 50km Ultramarathon (JPN) | 50km | |||
| 4:06:36 h | Kasai, Ayumu | *Tokyo Pref. | Overall: 4 | M: 4 | Cat M40: 1 |
| 2015 | 1 Event, 100 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:39:48 h | Kasai, Ayumu | Tbrc | Overall: 357 | M: 321 | Cat M35: 54 |
| 2011 | 1 Event, 71.5 km (More) | ||||
| 09.-10.10.2011 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 11:27:59 h | Kasai, Ayumu | Overall: 160 | M: 153 | Cat M35: 35 | |
| 2010 | 2 Events, 116.5 km (More) | ||||
| 31.10.2010 | Shinshu-Togakushi Trail Run Race (JPN) | 45km | |||
| 5:12:14 h | Kasai, Ayumu | WHITANS | Overall: 39 | M: 38 | Cat M23: 21 |
| 10.-11.10.2010 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 11:30:05 h | Kasai, Ayumu | Overall: 134 | M: 128 | Cat M23: 58 | |
| 2009 | 1 Event, 100 km (More) | ||||
| 21.-22.09.2009 | Shinetsu Five Mountains Trail 100km (JPN) | 100km | |||
| 15:51:17 h | Kasai, Ayumu | Overall: 104 | M: 97 | Cat M23: 35 | |
| 2008 | 1 Event, 71.5 km (More) | ||||
| 12.-13.10.2008 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 12:19:29 h | Kasai, Ayumu | Whitans | Overall: 263 | M: 251 | Cat M23: 99 |
| 2007 | 1 Event, 71.5 km (More) | ||||
| 14.-15.10.2007 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 15:52:05 h | Kasai, Ayumu | Overall: 630 | M: 585 | Cat M23: 193 | |
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 | 2019 | 2015 | 2011 | 2010 | 2009 | 2008 | 2007 | |
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| 50km | 4:40:12 |
4:40:12
(4240/33) |
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| 100km | 9:39:48 |
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9:39:48
(1439/554) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2019 | 2015 | 2011 | 2010 | 2009 | 2008 | 2007 | ||
|---|---|---|---|---|---|---|---|---|---|
| Hasetsune Cup - Japan Mountain Endurance Race | 4 | 11:27:59 | 11:30:05 | 12:19:29 | 15:52:05 | ||||
| Okinawa 50km Ultramarathon | 2 | 4:40:12 | 4:06:36 |