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| Name: | Nakai, Koji | 中井孝治 |
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| Club: | 横浜市陸協 | ||
| Residence: | Kanagawa Pref. | ||
| Year of birth: | 1964 | (Cat. german: M60) | |
| Date of birth: | 15.12.1964 | (Cat. internat.: M60) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 252899 | ||
52 search results (52 Events, 4828.536 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:33:19 h | Nakai, Koji | Overall: 800 | M: 707 | Cat M60: 39 | |
| 2024 | 4 Events, 408.5 km (More) | ||||
| 22.12.2024 | Coast to Coast Boso hanto (JPN) | 70km | |||
| 11:16:10 h | Nakai, Koji | Overall: 238 | M: 214 | Cat M60: 6 | |
| 13.-14.10.2024 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 13:20:26 h | Nakai, Koji | Overall: 314 | M: 294 | Cat M55: 15 | |
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:35:25 h | Nakai, Koji | Overall: 413 | M: 367 | Cat M55: 39 | |
| 26.-27.04.2024 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 36:05:04 h | Nakai, Koji | Overall: 388 | M: 356 | Cat M55: 20 | |
| 2023 | 2 Events, 175 km (More) | ||||
| 27.08.2023 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 75km | |||
| 11:24:10 h | Nakai, Koji | *Kanagawa Pref. | Overall: 46 | M: 45 | Cat M55: 4 |
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:32:48 h | Nakai, Koji | Overall: 435 | M: 393 | Cat M55: 45 | |
| 2022 | 4 Events, 298.5 km (More) | ||||
| 06.11.2022 | Koshu Alps Haute Route Challenge (JPN) | 68km | |||
| 14:56:41 h | Nakai, Koji | Overall: 140 | M: 118 | Cat M55: 9 | |
| 09.-10.10.2022 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 16:38:44 h | Nakai, Koji | Overall: 538 | M: 485 | Cat M55: 32 | |
| 12.06.2022 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 11:52:38 h | Nakai, Koji | *Kanagawa Pref. | Overall: 293 | M: 267 | Cat M55: 30 |
| 28.05.2022 | OSJ Okukuji Trail 60k (JPN) | 59km | |||
| 13:21:08 h | Nakai, Koji | Overall: 224 | M: 206 | Cat M55: 10 | |
| 2021 | 3 Events, 225 km (More) | ||||
| 20.-21.11.2021 | FunTrails100K Round (JPN) | 106km | |||
| 23:41:33 h | Nakai, Koji | *Kanagawa Pref. | Overall: 195 | M: 173 | Cat M55: 13 |
| 25.09.2021 | Shigakogen Extreme Trail (JPN) | 54km | |||
| 10:54:32 h | Nakai, Koji | Overall: 160 | M: 147 | Cat M55: 11 | |
| 23.-24.07.2021 | Nozawa Onsen 4100D Mountain Trail (JPN) | 65km | |||
| 11:39:38 h | Nakai, Koji | *Kanagawa Pref. | Overall: 234 | M: 204 | Cat M55: 7 |
| 2019 | 4 Events, 414.7 km (More) | ||||
| 08.12.2019 | Izu Trail Journey (JPN) | 71.7km | |||
| 10:00:57 h | Nakai, Koji | Overall: 421 | M: 393 | Cat M50: 37 | |
| 21.-22.09.2019 | SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup (JPN) | 143km | |||
| 32:48:35 h | Nakai, Koji | Overall: 277 | M: 250 | Cat M50: 26 | |
| 13.07.2019 | OSJ Ontake 100km Ultra Trail (JPN) | 100km | |||
| 15:04:07 h | Nakai, Koji | Overall: 316 | M: 291 | Cat M50: 24 | |
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:51:12 h | Nakai, Koji | Overall: 714 | M: 633 | Cat M50: 137 | |
| 2018 | 4 Events, 470.7 km (More) | ||||
| 09.12.2018 | Izu Trail Journey (JPN) | 71.7km | |||
| 11:27:33 h | Nakai, Koji | Overall: 469 | M: 431 | Cat M50: 43 | |
| 22.-23.09.2018 | SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup (JPN) | 129km | |||
| 27:17:33 h | Nakai, Koji | *Kanagawa Pref. | Overall: 121 | M: 109 | Cat M50: 9 |
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:43:38 h | Nakai, Koji | Overall: 351 | M: 314 | Cat M50: 64 | |
| 27.-29.04.2018 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 170km | |||
| 40:37:52 h | Nakai, Koji | Overall: 426 | M: 371 | Cat M50: 31 | |
| 2017 | 3 Events, 249.5 km (More) | ||||
| 08.-09.10.2017 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 14:19:26 h | Nakai, Koji | Overall: 468 | M: 416 | Cat M50: 35 | |
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:49:41 h | Nakai, Koji | 横浜市陸協 | Overall: 335 | M: 308 | Cat M50: 52 |
| 04.06.2017 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 8:27:21 h | Nakai, Koji | *Kanagawa Pref. | Overall: 305 | M: 264 | Cat M50: 56 |
| 2016 | 2 Events, 234 km (More) | ||||
| 19.-20.11.2016 | FunTrails100K Round (JPN) | 105km | |||
| 25:10:12 h | Nakai, Koji | *Kanagawa Pref. | Overall: 156 | M: 146 | Cat M50: 11 |
| 11.-12.09.2016 | SkyView Ultra-Trail 120 - Yamada Noboru Memorial Cup (JPN) | 129km | |||
| 30:19:15 h | Nakai, Koji | *Kanagawa Pref. | Overall: 197 | M: 193 | Cat M50: 21 |
| 2015 | 6 Events, 555.41 km (More) | ||||
| 31.10.-01.11.2015 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 15:55:58 h | Nakai, Koji | Overall: 1104 | M: 1031 | Cat M50: 95 | |
| 19.-20.09.2015 | Hiratsuka 24 hour race (JPN) | 24h | |||
| 115.910 km | Nakai, Koji | Overall: 34 | M: 30 | Cat M50: 6 | |
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:22:00 h | Nakai, Koji | 横浜市陸上競技協会 | Overall: 258 | M: 234 | Cat M50: 22 |
| 30.05.2015 | OSJ Okukuji Trail 50k (JPN) | 50km | |||
| 10:52:35 h | Nakai, Koji | Overall: 63 | M: 61 | Cat M50: 3 | |
| 17.05.2015 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 10:44:54 h | Nakai, Koji | *Kanagawa Pref. | Overall: 164 | M: 154 | Cat M50: 13 |
| 19.04.2015 | Fuji 5 Lakes 118 km Challenge (JPN) | 118km | |||
| 13:33:59 h | Nakai, Koji | Overall: 195 | M: 177 | Cat M50: 22 | |
| 2014 | 7 Events, 622.4 km (More) | ||||
| 20.-21.09.2014 | SkyView Ultra-Trail - Yamada Noboru Memorial Cup (JPN) | 120km | |||
| 25:16:57 h | Nakai, Koji | Overall: 130 | M: 123 | Cat M45: 13 | |
| 30.08.2014 | Shigakogen Extreme Trail (JPN) | 63km | |||
| 15:59:47 h | Nakai, Koji | *Kanagawa Pref. | Overall: 140 | M: 134 | Cat M45: 20 |
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:25:36 h | Nakai, Koji | 横浜市陸上競技協会 | Overall: 135 | M: 122 | Cat M45: 26 |
| 15.06.2014 | Spatrail - Shima to Kusatsu (JPN) | 81.4km | |||
| 12:38:51 h | Nakai, Koji | Overall: 214 | M: 193 | Cat M45: 35 | |
| 31.05.2014 | OSJ Okukuji Trail 50k (JPN) | 50km | |||
| 11:24:02 h | Nakai, Koji | *Kanagawa Pref. | Overall: 72 | M: 69 | Cat M45: 5 |
| 18.05.2014 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 11:20:55 h | Nakai, Koji | 走れメガロス | Overall: 197 | M: 186 | Cat M45: 44 |
| 20.04.2014 | Fuji 5 Lakes 108 km Challenge (JPN) | 108km | |||
| 12:15:04 h | Nakai, Koji | 走れメガロス | Overall: 178 | M: 168 | Cat M45: 36 |
| 2013 | 5 Events, 482.434 km (More) | ||||
| 13.-14.10.2013 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 13:33:57 h | Nakai, Koji | Overall: 477 | M: 435 | Cat M45: 56 | |
| 29.09.2013 | SkyView Ultra-Trail (JPN) | 50km | |||
| 8:00:22 h | Nakai, Koji | *Kanagawa Pref. | Overall: 82 | M: 75 | Cat M45: 7 |
| 07.-08.09.2013 | OSJ Yatsugatake Super Trail 100 miles race (JPN) | 100mi | |||
| 31:50:35 h | Nakai, Koji | *Kanagawa Pref. | Overall: 113 | M: 108 | Cat M45: 22 |
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:52:18 h | Nakai, Koji | 走れメガロス | Overall: 309 | M: 289 | Cat M45: 54 |
| 19.05.2013 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 12:33:59 h | Nakai, Koji | *Kanagawa Pref. | Overall: 430 | M: 397 | Cat M45: 88 |
| 2012 | 5 Events, 437 km (More) | ||||
| 30.09.2012 | SkyView Ultra-Trail (JPN) | 50km | |||
| 8:36:14 h | Nakai, Koji | *Kanagawa Pref. | Overall: 92 | M: 86 | Cat M45: 13 |
| 16.-17.09.2012 | Karisakatoge beyond Chichibu Run (JPN) | 143km | |||
| 21:23:51 h | Nakai, Koji | 走れメガロス | Overall: 48 | M: 45 | Cat M45: 14 |
| 03.06.2012 | OSJ Okukuji Trail 50k (JPN) | 50km | |||
| 10:33:17 h | Nakai, Koji | *Kanagawa Pref. | Overall: 102 | M: 94 | Cat M45: 18 |
| 19.-20.05.2012 | Shizuoka to Yamanashi (STY) (JPN) | 82km | |||
| 15:54:07 h | Nakai, Koji | *Kanagawa Pref. | Overall: 147 | M: 132 | Cat M45: 17 |
| 22.04.2012 | Fuji 5 Lakes 112 km Challenge (JPN) | 112km | |||
| 12:35:57 h | Nakai, Koji | Overall: 155 | M: 146 | Cat M45: 23 | |
| 2011 | 2 Events, 155.392 km (More) | ||||
| 17.-18.12.2011 | Japan 12 Hours Indoor Ultra Marathon - 2. Start (JPN) | 12h | |||
| 105.392 km | Nakai, Koji | Overall: 2 | M: 2 | Cat M45: 2 | |
| 02.10.2011 | SkyView Ultra-Trail (JPN) | 50km | |||
| 8:16:40 h | Nakai, Koji | *Kanagawa Pref. | Overall: 99 | M: 86 | Cat M45: 14 |
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 | 2021 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 9:22:00 |
11:33:19
(3237/1257) |
10:35:25
(2105/694) |
10:32:48
(1776/769) |
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10:51:12
(2855/1223) |
9:43:38
(1355/516) |
9:49:41
(1423/584) |
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9:22:00
(1099/397) |
9:25:36
(929/256) |
9:52:18
(1510/461) |
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| 12h | 105.392 |
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105.392
(455/20) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 9 | 11:33:19 | 10:35:25 | 10:32:48 | 10:51:12 | 9:43:38 | 9:49:41 | 9:22:00 | 9:25:36 | 9:52:18 | |||||
| Hasetsune Cup - Japan Mountain Endurance Race | 5 | 13:20:26 | 16:38:44 | 14:19:26 | 15:55:58 | 13:33:57 | |||||||||
| SkyView Ultra-Trail - Yamada Noboru Memorial Cup | 4 | 32:48:35 | 27:17:33 | 30:19:15 | 25:16:57 | ||||||||||
| OSJ Okukuji Trail 50k | 4 | 13:21:08 | 10:52:35 | 11:24:02 | 10:33:17 | ||||||||||
| SkyView Ultra-Trail | 3 | 8:00:22 | 8:36:14 | 8:16:40 | |||||||||||
| Yatsugatake Nobeyama 100 km | 3 | 10:44:54 | 11:20:55 | 12:33:59 | |||||||||||
| Fuji 5 Lakes 112 km Challenge | 3 | 13:33:59 | 12:15:04 | 12:35:57 | |||||||||||
| Shigakogen Extreme Trail | 2 | 10:54:32 | 15:59:47 | ||||||||||||
| FunTrails100K Round | 2 | 23:41:33 | 25:10:12 | ||||||||||||
| Izu Trail Journey | 2 | 10:00:57 | 11:27:33 | ||||||||||||
| Ultra-Trail Mt. Fuji (UTMF) | 2 | 36:05:04 | 40:37:52 |