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| Name: | Arai, Masaaki | 荒井幹晶 |
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| Club: | |||
| Residence: | Hyogo Pref. | ||
| Year of birth: | 1987 | (Cat. german: M35) | |
| Date of birth: | 23.05.1987 | (Cat. internat.: M35) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 368695 | ||
28 search results (28 Events, 2225.4 km). (More)
| 2025 | 1 Event, 60 km (More) | ||||
|---|---|---|---|---|---|
| 14.09.2025 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 7:12:34 h | Arai, Masaaki | Overall: 133 | M: 104 | Cat M35: 5 | |
| 2024 | 1 Event, 60 km (More) | ||||
| 15.09.2024 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 7:07:59 h | Arai, Masaaki | Overall: 90 | M: 66 | Cat M35: 5 | |
| 2023 | 1 Event, 100 km (More) | ||||
| 15.10.2023 | River Shimanto 100km (JPN) | 100km | |||
| 10:41:15 h | Arai, Masaaki | Overall: 206 | M: 185 | Cat M35: 17 | |
| 2022 | 1 Event, 112 km (More) | ||||
| 28.-29.10.2022 | Mt. Rocco Cannonball Run - 112 km Power (JPN) | 112km | |||
| 17:27:00 h | Arai, Masaaki | Overall: 17 | M: 17 | Cat M35: 2 | |
| 2019 | 3 Events, 216 km (More) | ||||
| 20.10.2019 | River Shimanto 100km (JPN) | 100km | |||
| 13:51:42 h | Arai, Masaaki | Overall: 1182 | M: 985 | Cat M23: 50 | |
| 15.09.2019 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 9:13:16 h | Arai, Masaaki | *Hyogo Pref. | Overall: 624 | M: 460 | Cat M23: 21 |
| 23.-24.03.2019 | Mt. Rocco Cannonball Run - 56 km Night Speed (JPN) | 56km | |||
| 7:09:00 h | Arai, Masaaki | Overall: 7 | M: 6 | Cat M23: 2 | |
| 2018 | 3 Events, 216 km (More) | ||||
| 21.10.2018 | River Shimanto 100km (JPN) | 100km | |||
| 12:02:58 h | Arai, Masaaki | Overall: 530 | M: 472 | Cat M23: 34 | |
| 16.09.2018 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 5:35:52 h | Arai, Masaaki | Overall: 40 | M: 36 | Cat M23: 13 | |
| 24.-25.03.2018 | Mt. Rocco Cannonball Run - 56 km Night Speed (JPN) | 56km | |||
| 6:45:40 h | Arai, Masaaki | Overall: 7 | M: 5 | Cat M23: 2 | |
| 2017 | 1 Event, 70 km (More) | ||||
| 23.04.2017 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 5:47:17 h | Arai, Masaaki | *Hyogo Pref. | Overall: 1 | M: 1 | Cat M23: 1 |
| 2016 | 2 Events, 160 km (More) | ||||
| 16.10.2016 | River Shimanto 100km (JPN) | 100km | |||
| 11:54:37 h | Arai, Masaaki | Overall: 493 | M: 441 | Cat M23: 46 | |
| 18.09.2016 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 6:20:56 h | Arai, Masaaki | *Hyogo Pref. | Overall: 143 | M: 117 | Cat M23: 22 |
| 2015 | 4 Events, 330 km (More) | ||||
| 20.09.2015 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 5:51:03 h | Arai, Masaaki | *Hyogo Pref. | Overall: 101 | M: 85 | Cat M23: 22 |
| 07.06.2015 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 13:36:35 h | Arai, Masaaki | *Hyogo Pref. | Overall: 963 | M: 875 | Cat M23: 150 |
| 26.04.2015 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 6:26:02 h | Arai, Masaaki | Overall: 7 | M: 6 | Cat M23: 1 | |
| 19.04.2015 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:43:27 h | Arai, Masaaki | Overall: 1161 | M: 980 | Cat M23: 118 | |
| 2014 | 4 Events, 358 km (More) | ||||
| 28.09.2014 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 9:51:47 h | Arai, Masaaki | Overall: 13 | M: 10 | Cat M23: 2 | |
| 14.09.2014 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:03:20 h | Arai, Masaaki | *Hyogo Pref. | Overall: 777 | M: 699 | Cat M23: 114 |
| 08.06.2014 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 13:37:02 h | Arai, Masaaki | *Hyogo Pref. | Overall: 842 | M: 756 | Cat M23: 160 |
| 27.04.2014 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 7:01:30 h | Arai, Masaaki | Overall: 14 | M: 13 | Cat M23: 2 | |
| 2013 | 4 Events, 308 km (More) | ||||
| 20.10.2013 | River Shimanto 100km (JPN) | 100km | |||
| 12:06:26 h | Arai, Masaaki | *Hyogo Pref. | Overall: 419 | M: 370 | Cat M23: 38 |
| 29.09.2013 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 11:55:53 h | Arai, Masaaki | Overall: 62 | M: 59 | Cat M23: 11 | |
| 15.09.2013 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 6:10:44 h | Arai, Masaaki | Overall: 141 | M: 119 | Cat M23: 17 | |
| 03.08.2013 | 6-hour relay & solo marathon Kobe (JPN) | 6h | |||
| 48.000 km | Arai, Masaaki | Overall: 16 | M: 15 | Cat M23: 4 | |
| 2012 | 2 Events, 147.4 km (More) | ||||
| 30.09.2012 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 10:51:07 h | Arai, Masaaki | Overall: 24 | M: 16 | Cat M23: 3 | |
| 04.08.2012 | 6-hour relay & solo marathon Kobe (JPN) | 6h | |||
| 59.400 km | Arai, Masaaki | *Kawanishi | Overall: 10 | M: 8 | Cat M23: 1 |
| 2011 | 1 Event, 88 km (More) | ||||
| 25.09.2011 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 13:05:11 h | Arai, Masaaki | Overall: 107 | M: 84 | Cat M23: 12 | |
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 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 10:41:15 |
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10:41:15
(1929/844) |
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13:51:42
(9376/5071) |
12:02:58
(5034/2349) |
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11:54:37
(4944/2457) |
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13:03:20
(7209/3059) |
12:06:26
(5063/1805) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tango 60 km Ultramarathon | 7 | 7:12:34 | 7:07:59 | 9:13:16 | 5:35:52 | 6:20:56 | 5:51:03 | 6:10:44 | ||||||
| River Shimanto 100km | 5 | 10:41:15 | 13:51:42 | 12:02:58 | 11:54:37 | 12:06:26 | ||||||||
| 70 km Ultra Maranic Osaka | 3 | 5:47:17 | 6:26:02 | 7:01:30 | ||||||||||
| Muraoka 88 km Ultra Marathon | 3 | 9:51:47 | 10:51:07 | 13:05:11 | ||||||||||
| Mt. Rocco Cannonball Run - 56 km Night Speed | 2 | 7:09:00 | 6:45:40 | |||||||||||
| 6-hour relay & solo marathon Kobe | 2 | 48.000 | 59.400 | |||||||||||
| Hida Takayama 100 km Ultramarathon | 2 | 13:36:35 | 13:37:02 |