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| Name: | Okawara, Nariaki | 大河原斉揚 |
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| Club: | カニクリーム丼 | ||
| Residence: | Setagaya | ||
| Year of birth: | 1980 | (Cat. german: M45) | |
| Date of birth: | 30.04.1980 | (Cat. internat.: M45) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 72002 | ||
68 search results (66 Events, 7640.815 km). (More)
| 2026 | 1 Event, 167 km (More) | ||||
|---|---|---|---|---|---|
| 24.-25.04.2026 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 28:58:00 h | Okawara, Nariaki | Overall: 120 | M: 110 | Cat M45: 22 | |
| 2025 | 3 Events, 338.5 km (More) | ||||
| 12.-13.10.2025 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 12:14:31 h | Okawara, Nariaki | カにクリーム丼 | Overall: 119 | M: 111 | Cat M45: 22 |
| 15.06.2025 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 8:32:43 h | Okawara, Nariaki | Overall: 3 | M: 3 | Cat M45: 1 | |
| 25.-26.04.2025 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 31:02:22 h | Okawara, Nariaki | カにクリーム丼 | Overall: 185 | M: 174 | Cat M40: 48 |
| 2024 | 2 Events, 267 km (More) | ||||
| 16.06.2024 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 8:18:10 h | Okawara, Nariaki | Overall: 2 | M: 2 | Cat M40: 1 | |
| 26.-27.04.2024 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 32:32:35 h | Okawara, Nariaki | カにクリーム丼 | Overall: 184 | M: 170 | Cat M40: 57 |
| 2023 | 3 Events, 338.5 km (More) | ||||
| 08.-09.10.2023 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:16:49 h | Okawara, Nariaki | カにクリーム丼 | Overall: 82 | M: 80 | Cat M40: 13 |
| 18.06.2023 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 8:40:01 h | Okawara, Nariaki | Overall: 4 | M: 3 | Cat M40: 1 | |
| 21.-23.04.2023 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 29:08:25 h | Okawara, Nariaki | カにクリーム丼 | Overall: 142 | M: 134 | Cat M40: 41 |
| 2022 | 3 Events, 338.5 km (More) | ||||
| 09.-10.10.2022 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:13:07 h | Okawara, Nariaki | カにクリーム丼 | Overall: 66 | M: 62 | Cat M40: 17 |
| 19.06.2022 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 9:19:47 h | Okawara, Nariaki | Overall: 10 | M: 9 | Cat M40: 2 | |
| 22.-24.04.2022 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 25:17:53 h | Okawara, Nariaki | カにクリーム丼 | Overall: 79 | M: 75 | Cat M40: 29 |
| 2019 | 2 Events, 267 km (More) | ||||
| 16.06.2019 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 7:39:52 h | Okawara, Nariaki | Overall: 1 | M: 1 | Cat M35: 1 | |
| 26.-28.04.2019 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 27:47:02 h | Okawara, Nariaki | カニクリーム丼 | Overall: 60 | M: 55 | Cat M35: 17 |
| 2018 | 5 Events, 656.396 km (More) | ||||
| 10.-11.11.2018 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 214.896 km | Okawara, Nariaki | Overall: 19 | M: 16 | Cat M35: 6 | |
| 07.-08.10.2018 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 11:08:49 h | Okawara, Nariaki | カにクリーム丼 | Overall: 67 | M: 62 | Cat M35: 20 |
| 17.06.2018 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 7:47:41 h | Okawara, Nariaki | Overall: 1 | M: 1 | Cat M35: 1 | |
| 27.-29.04.2018 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 170km | |||
| 30:36:04 h | Okawara, Nariaki | カにクリーム丼 | Overall: 98 | M: 89 | Cat M35: 29 |
| 21.01.2018 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 8:03:01 h | Okawara, Nariaki | *Tokyo | Overall: 3 | M: 3 | Cat M35: 1 |
| 2017 | 5 Events, 559.772 km (More) | ||||
| 11.-12.11.2017 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 238.272 km | Okawara, Nariaki | Overall: 4 | M: 4 | Cat M35: 1 | |
| 08.-09.10.2017 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 9:12:29 h | Okawara, Nariaki | カにクリーム丼 | Overall: 17 | M: 17 | Cat M35: 4 |
| 10.09.2017 | OSJ Adatara Trail 50K (JPN) | 50km | |||
| 9:16:40 h | Okawara, Nariaki | *Tokyo | Overall: 8 | M: 8 | Cat M35: 3 |
| 18.06.2017 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 7:38:10 h | Okawara, Nariaki | Overall: 2 | M: 2 | Cat M35: 1 | |
| 15.01.2017 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 7:43:38 h | Okawara, Nariaki | カニクリーム丼 | Overall: 2 | M: 2 | Cat M35: 1 |
| 2016 | 6 Events, 713.426 km (More) | ||||
| 17.-18.12.2016 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 241.926 km | Okawara, Nariaki | Overall: 6 | M: 6 | Cat M35: 2 | |
| 09.-10.10.2016 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 9:53:53 h | Okawara, Nariaki | カにクリーム丼 | Overall: 42 | M: 41 | Cat M35: 14 |
| 11.09.2016 | 100 km Ultramarathon Hakusan-Shirakawago (JPN) | 100km | |||
| 8:45:41 h | Okawara, Nariaki | カニクリーム丼 | Overall: 4 | M: 4 | Cat M35: 1 |
| 31.07.2016 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 7:54:20 h | Okawara, Nariaki | カにクリーム丼 | Overall: 2 | M: 2 | Cat M35: 1 |
| 19.06.2016 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 7:41:05 h | Okawara, Nariaki | Overall: 2 | M: 2 | Cat M35: 1 | |
| 22.05.2016 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 8:29:06 h | Okawara, Nariaki | カにクリーム丼 | Overall: 3 | M: 3 | Cat M35: 1 |
| 2015 | 6 Events, 768.97 km (More) | ||||
| 19.-20.12.2015 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 227.170 km | Okawara, Nariaki | Overall: 11 | M: 11 | Cat M35: 3 | |
| 31.10.-01.11.2015 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 8:40:48 h | Okawara, Nariaki | カにクリーム丼 | Overall: 20 | M: 20 | Cat M35: 8 |
| 25.-27.09.2015 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 170.3km | |||
| 27:49:17 h | Okawara, Nariaki | Overall: 38 | M: 33 | Cat M35: 16 | |
| 26.07.2015 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 8:28:03 h | Okawara, Nariaki | カにクリーム丼 | Overall: 7 | M: 7 | Cat M35: 1 |
| 21.06.2015 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 7:34:39 h | Okawara, Nariaki | Overall: 3 | M: 3 | Cat M35: 1 | |
| 07.06.2015 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 8:24:56 h | Okawara, Nariaki | カにクリーム丼 | Overall: 9 | M: 9 | Cat M35: 4 |
| 2014 | 6 Events, 744.402 km (More) | ||||
| 08.-09.11.2014 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 211.968 km | Okawara, Nariaki | 気象庁陸上部 | Overall: 15 | M: 13 | Cat M23: 2 |
| 08.-09.11.2014 | Jingu Gaien 24 Hour Challenge - 6h Split (JPN) | 6h | |||
| 71.526 km | Okawara, Nariaki | 気象庁陸上部 | Overall: 5 | M: 5 | Cat M23: 2 |
| 08.-09.11.2014 | Jingu Gaien 24 Hour Challenge -12h Split (JPN) | 12h | |||
| 133.781 km | Okawara, Nariaki | 気象庁陸上部 | Overall: 4 | M: 4 | Cat M23: 2 |
| 12.-13.10.2014 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 8:59:34 h | Okawara, Nariaki | カにクリーム丼 | Overall: 33 | M: 33 | Cat M23: 19 |
| 28.09.2014 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 7:50:17 h | Okawara, Nariaki | *Tokyo | Overall: 8 | M: 8 | Cat M23: 3 |
| 27.07.2014 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 8:18:22 h | Okawara, Nariaki | カにクリーム丼 | Overall: 6 | M: 6 | Cat M23: 1 |
| 15.06.2014 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 7:50:22 h | Okawara, Nariaki | カにクリーム丼 | Overall: 2 | M: 2 | Cat M23: 1 |
| 25.-27.04.2014 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 100mi | |||
| 29:18:28 h | Okawara, Nariaki | *Tokyo | Overall: 75 | M: 70 | Cat M23: 22 |
| 2013 | 7 Events, 850.363 km (More) | ||||
| 09.-10.11.2013 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 245.929 km | Okawara, Nariaki | Overall: 6 | M: 6 | Cat M23: 3 | |
| 13.-14.10.2013 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 8:44:17 h | Okawara, Nariaki | Overall: 30 | M: 30 | Cat M23: 14 | |
| 29.09.2013 | 100 km Ultramarathon Hakusan-Shirakawago (JPN) | 100km | |||
| 8:21:19 h | Okawara, Nariaki | カニクリーム丼 | Overall: 4 | M: 4 | Cat M23: 3 |
| 11.08.2013 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 7:36:52 h | Okawara, Nariaki | カニクリーム丼 | Overall: 1 | M: 1 | Cat M23: 1 |
| 09.06.2013 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 8:59:06 h | Okawara, Nariaki | カニクリーム丼 | Overall: 14 | M: 14 | Cat M23: 6 |
| 26.-28.04.2013 | Ultra-Trail Mount Fuji (UTMF) (JPN) | 100mi | |||
| 28:36:09 h | Okawara, Nariaki | *Tokyo | Overall: 70 | M: 64 | Cat M23: 21 |
| 10.03.2013 | Izu Trail Journey (JPN) | 72km | |||
| 7:57:24 h | Okawara, Nariaki | *Tokyo | Overall: 24 | M: 24 | Cat M23: 11 |
| 2012 | 4 Events, 427.5 km (More) | ||||
| 07.-08.10.2012 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 9:13:07 h | Okawara, Nariaki | Overall: 40 | M: 40 | Cat M23: 21 | |
| 24.06.2012 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 7:39:17 h | Okawara, Nariaki | *Tokyo | Overall: 14 | M: 13 | Cat M23: 6 |
| 10.06.2012 | Hida Takayama 100 km Ultramarathon (JPN) | 100km | |||
| 8:30:45 h | Okawara, Nariaki | カニクリーム丼 | Overall: 4 | M: 4 | Cat M23: 1 |
| 18.-20.05.2012 | Ultra-Trail Mount Fuji (UTMF) (JPN) | 156km | |||
| 26:35:35 h | Okawara, Nariaki | *Tokyo | Overall: 29 | M: 28 | Cat M23: 13 |
| 2011 | 5 Events, 595.986 km (More) | ||||
| 17.-18.12.2011 | Japan 24 Hours Indoor Ultra Marathon (JPN) | 24h | |||
| 224.486 km | Okawara, Nariaki | *Tokyo | Overall: 3 | M: 3 | Cat M23: 1 |
| 09.-10.10.2011 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 8:55:30 h | Okawara, Nariaki | カニクリーム丼 | Overall: 18 | M: 18 | Cat M23: 9 |
| 21.08.2011 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 7:41:28 h | Okawara, Nariaki | カニクリーム丼 | Overall: 2 | M: 2 | Cat M23: 1 |
| 19.06.2011 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 8:08:51 h | Okawara, Nariaki | *Tokyo | Overall: 2 | M: 2 | Cat M23: 1 |
| 12.06.2011 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 8:43:39 h | Okawara, Nariaki | *Tokyo | Overall: 23 | M: 23 | Cat M23: 4 |
| 2010 | 2 Events, 171.5 km (More) | ||||
| 10.-11.10.2010 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 9:33:56 h | Okawara, Nariaki | Overall: 35 | M: 35 | Cat M23: 20 | |
| 13.06.2010 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 8:28:45 h | Okawara, Nariaki | *Tokyo | Overall: 14 | M: 14 | Cat M23: 3 |
| 2009 | 2 Events, 171.5 km (More) | ||||
| 11.-12.10.2009 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 9:34:15 h | Okawara, Nariaki | カニクリーム丼 | Overall: 45 | M: 45 | Cat M23: 26 |
| 28.06.2009 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:04:25 h | Okawara, Nariaki | *Tokyo | Overall: 27 | M: 27 | Cat M23: 12 |
| 2008 | 1 Event, 71.5 km (More) | ||||
| 12.-13.10.2008 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 8:56:27 h | Okawara, Nariaki | 気象庁 | Overall: 26 | M: 25 | Cat M23: 19 |
| 2007 | 2 Events, 121.5 km (More) | ||||
| 14.-15.10.2007 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:36:34 h | Okawara, Nariaki | Overall: 68 | M: 66 | Cat M23: 39 | |
| 27.05.2007 | OSJ Hakone 50K (JPN) | 50km | |||
| 8:18:16 h | Okawara, Nariaki | *Tokyo | Overall: 37 | M: 35 | Cat M23: 19 |
| 2006 | 1 Event, 71.5 km (More) | ||||
| 08.-09.10.2006 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 11:48:05 h | Okawara, Nariaki | 気象庁 | Overall: 98 | M: 91 | Cat M23: 31 |
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 | 2026 | 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 7:39:17 |
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7:39:17
(110/22) |
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8:04:25
(194/41) |
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| 6h | 71.526 |
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71.526
(190/7) |
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| 12h | 133.781 |
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133.781
(33/6) |
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| 24h | 245.929 |
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214.896
(155/18) |
238.272
(60/7) |
241.926
(31/6) |
227.170
(98/13) |
211.968
(136/16) |
245.929
(27/10) |
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224.486
(59/10) |
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Comparison table
Comparison of performances in races with multiple participations
| 2026 | 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hasetsune Cup - Japan Mountain Endurance Race | 16 | 12:14:31 | 10:16:49 | 10:13:07 | 11:08:49 | 9:12:29 | 9:53:53 | 8:40:48 | 8:59:34 | 8:44:17 | 9:13:07 | 8:55:30 | 9:33:56 | 9:34:15 | 8:56:27 | 10:36:34 | 11:48:05 | |||
| Ultra-Trail Mount Fuji (UTMF) | 11 | 28:58:00 | 31:02:22 | 32:32:35 | 29:08:25 | 25:17:53 | 27:47:02 | 30:36:04 | 27:49:17 | 29:18:28 | 28:36:09 | 26:35:35 | ||||||||
| Okinoshima 100km Ultra Marathon | 11 | 8:32:43 | 8:18:10 | 8:40:01 | 9:19:47 | 7:39:52 | 7:47:41 | 7:38:10 | 7:41:05 | 7:34:39 | 7:50:22 | 8:08:51 | ||||||||
| Jingu Gaien 24 Hour Challenge | 6 | 214.896 | 238.272 | 241.926 | 227.170 | 211.968 | 245.929 | |||||||||||||
| North Okhotsk 100 Km Marathon | 5 | 7:54:20 | 8:28:03 | 8:18:22 | 7:36:52 | 7:41:28 | ||||||||||||||
| Hida Takayama 100 km Ultramarathon | 3 | 8:24:56 | 8:59:06 | 8:30:45 | ||||||||||||||||
| 100 km Ultramarathon Hakusan-Shirakawago | 2 | 8:45:41 | 8:21:19 | |||||||||||||||||
| Iwate Ginga 100km Marathon Challenge | 2 | 8:43:39 | 8:28:45 | |||||||||||||||||
| Miyako 100 Km Ultramarathon | 2 | 8:03:01 | 7:43:38 | |||||||||||||||||
| Lake Saroma 100 Km Ultramarathon | 2 | 7:39:17 | 8:04:25 |