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| Name: | Kobayashi, Masaki | 小林理樹 |
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| Club: | へろへろm89 | ||
| Residence: | Kanagawa Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 214528 | ||
37 search results (37 Events, 3092 km). (More)
| 2025 | 3 Events, 235 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:44:10 h | Kobayashi, Masaki | Overall: 1539 | M: 1341 | Cat M50: 198 | |
| 10.05.2025 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 7:44:15 h | Kobayashi, Masaki | Overall: 269 | M: 218 | Cat M50: 19 | |
| 20.04.2025 | Fuji 4 Lakes 80 km Challenge (JPN) | 80km | |||
| 12:13:32 h | Kobayashi, Masaki | Overall: 338 | M: 237 | Cat M50: 19 | |
| 2024 | 4 Events, 267 km (More) | ||||
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:52:40 h | Kobayashi, Masaki | Overall: 1678 | M: 1430 | Cat M50: 245 | |
| 11.05.2024 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 7:33:16 h | Kobayashi, Masaki | Overall: 164 | M: 136 | Cat M50: 15 | |
| 21.04.2024 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 8:49:27 h | Kobayashi, Masaki | へろへろymo | Overall: 635 | M: 453 | Cat M50: 30 |
| 04.02.2024 | Amami yori yori Run (JPN) | 50km | |||
| 8:14:56 h | Kobayashi, Masaki | Overall: 57 | M: 30 | Cat M50: 2 | |
| 2023 | 2 Events, 117 km (More) | ||||
| 13.05.2023 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 8:25:57 h | Kobayashi, Masaki | Overall: 165 | M: 137 | Cat M50: 13 | |
| 16.04.2023 | Fuji 3 Lakes 62 km Challenge (JPN) | 62km | |||
| 9:33:41 h | Kobayashi, Masaki | へろへろymo | Overall: 641 | M: 454 | Cat M50: 36 |
| 2022 | 1 Event, 62 km (More) | ||||
| 17.04.2022 | Fuji 5 Lakes 62 km Challenge (JPN) | 62km | |||
| 9:27:37 h | Kobayashi, Masaki | Overall: 709 | M: 500 | Cat M45: 55 | |
| 2019 | 2 Events, 171 km (More) | ||||
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:53:11 h | Kobayashi, Masaki | Overall: 2204 | M: 1881 | Cat M45: 388 | |
| 21.04.2019 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 10:04:05 h | Kobayashi, Masaki | Overall: 582 | M: 399 | Cat M45: 46 | |
| 2018 | 1 Event, 100 km (More) | ||||
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:40:05 h | Kobayashi, Masaki | Overall: 1957 | M: 1665 | Cat M45: 373 | |
| 2017 | 2 Events, 158 km (More) | ||||
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:35:21 h | Kobayashi, Masaki | へろへろm89 | Overall: 1692 | M: 1471 | Cat M40: 274 |
| 26.03.2017 | Izu Oshima Ultra 58 Km (JPN) | 58km | |||
| 7:20:30 h | Kobayashi, Masaki | Overall: 51 | M: 39 | Cat M40: 7 | |
| 2016 | 3 Events, 218 km (More) | ||||
| 09.10.2016 | Echigo Kubikino 60km Ultramarathon (JPN) | 60km | |||
| 7:45:55 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 248 | M: 172 | Cat M40: 11 |
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:27:21 h | Kobayashi, Masaki | へろへろm89 | Overall: 1928 | M: 1676 | Cat M40: 317 |
| 27.03.2016 | Izu Oshima Ultra 58 Km (JPN) | 58km | |||
| 7:11:09 h | Kobayashi, Masaki | Overall: 100 | M: 71 | Cat M40: 9 | |
| 2015 | 2 Events, 158 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:20:25 h | Kobayashi, Masaki | へろへろm89 | Overall: 1809 | M: 1581 | Cat M40: 302 |
| 28.03.2015 | Izu Oshima Ultra 58 Km (JPN) | 58km | |||
| 7:12:34 h | Kobayashi, Masaki | Overall: 94 | M: 74 | Cat M40: 6 | |
| 2014 | 2 Events, 158 km (More) | ||||
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:32:43 h | Kobayashi, Masaki | へろへろMrC | Overall: 643 | M: 561 | Cat M40: 111 |
| 29.03.2014 | Izu Oshima Ultra 58 Km (JPN) | 58km | |||
| 7:13:07 h | Kobayashi, Masaki | Overall: 71 | M: 43 | Cat M40: 7 | |
| 2013 | 1 Event, 100 km (More) | ||||
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:53:38 h | Kobayashi, Masaki | へろへろMRC | Overall: 1070 | M: 940 | Cat M40: 174 |
| 2012 | 2 Events, 177 km (More) | ||||
| 05.08.2012 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:44:23 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 765 | M: 614 | Cat M35: 78 |
| 24.06.2012 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:59:23 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 1315 | M: 1149 | Cat M35: 179 |
| 2011 | 3 Events, 300 km (More) | ||||
| 21.08.2011 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 13:43:11 h | Kobayashi, Masaki | へろへろ’11 | Overall: 241 | M: 215 | Cat M35: 32 |
| 26.06.2011 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:48:05 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 1892 | M: 1630 | Cat M35: 240 |
| 30.04.2011 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:35:35 h | Kobayashi, Masaki | Overall: 676 | M: 586 | Cat M35: 69 | |
| 2010 | 3 Events, 300 km (More) | ||||
| 09.10.2010 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 13:25:41 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 918 | M: 782 | Cat M35: 65 |
| 27.06.2010 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:30:23 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 1193 | M: 1030 | Cat M35: 153 |
| 25.04.2010 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:07:20 h | Kobayashi, Masaki | Overall: 496 | M: 425 | Cat M35: 52 | |
| 2009 | 2 Events, 200 km (More) | ||||
| 28.06.2009 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:54:14 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 1272 | M: 1124 | Cat M35: 159 |
| 26.04.2009 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:26:01 h | Kobayashi, Masaki | へろへろ• 9 | Overall: 410 | M: 354 | Cat M35: 41 |
| 2008 | 1 Event, 100 km (More) | ||||
| 11.10.2008 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 12:36:40 h | Kobayashi, Masaki | *Kanagawa Pref. | Overall: 443 | M: 389 | Cat M35: 36 |
| 2007 | 1 Event, 100 km (More) | ||||
| 14.10.2007 | River Shimanto 100km (JPN) | 100km | |||
| 12:47:40 h | Kobayashi, Masaki | へろへろ’07 | Overall: 660 | M: 578 | Cat M23: 60 |
| 2006 | 2 Events, 171 km (More) | ||||
| 09.10.2006 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 13:26:03 h | Kobayashi, Masaki | Overall: 693 | M: 596 | Cat M23: 44 | |
| 21.05.2006 | Yatsugatake Nobeyama 71 km (JPN) | 71km | |||
| 9:32:25 h | Kobayashi, Masaki | へろへろ’06 | Overall: 111 | M: 90 | Cat M23: 11 |
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 | 2010 | 2009 | 2008 | 2007 | 2006 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 11:32:43 |
12:44:10
(5415/2378) |
12:52:40
(5811/2458) |
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12:53:11
(7258/3730) |
12:40:05
(6413/3196) |
12:35:21
(6021/2754) |
12:27:21
(6094/3170) |
12:20:25
(6271/3031) |
11:32:43
(3835/1213) |
11:53:38
(4709/1638) |
11:59:23
(4608/1454) |
12:48:05
(5936/2093) |
12:30:23
(4737/1460) |
11:54:14
(4415/1475) |
|
12:47:40
(3867/604) |
|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 13 | 12:44:10 | 12:52:40 | 12:53:11 | 12:40:05 | 12:35:21 | 12:27:21 | 12:20:25 | 11:32:43 | 11:53:38 | 11:59:23 | 12:48:05 | 12:30:23 | 11:54:14 | |||||
| Fuji 5 Lakes 71 km Challenge | 5 | 12:13:32 | 8:49:27 | 9:33:41 | 9:27:37 | 10:04:05 | |||||||||||||
| Izu Oshima Ultra 58 Km | 4 | 7:20:30 | 7:11:09 | 7:12:34 | 7:13:07 | ||||||||||||||
| Kimitsu Ultra Marathon | 3 | 7:44:15 | 7:33:16 | 8:25:57 | |||||||||||||||
| Echigo Kubikino 100km Ultramarathon | 3 | 13:25:41 | 12:36:40 | 13:26:03 | |||||||||||||||
| Fuji 5 Lakes 100 km Challenge | 3 | 13:35:35 | 13:07:20 | 13:26:01 |