| Name: | Kobayashi, Hiromasa | 小林大允 |
|
| Club: | ランオアダイ | ||
| Residence: | Tokyo | ||
| Year of birth: | 1981 | (Cat. german: M45) | |
| Date of birth: | 15.02.1981 | (Cat. internat.: M40) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 366059 | ||
24 search results (24 Events, 2388.136 km). (More)
| 2025 | 2 Events, 168 km (More) | ||||
|---|---|---|---|---|---|
| 06.12.2025 | Chiangmai Thailand by UTMB - HMONG 50-DAY (THA) | 48km | |||
| 12:05:35 h | Kobayashi, Hiromasa | Answer4 | Overall: 1489 | M: 1050 | Cat M40: 197 |
| 14.-16.11.2025 | TransLantau 120 by UTMB (HKG) | 120km | |||
| 32:01:58 h | Kobayashi, Hiromasa | ANSWER4 | Overall: 162 | M: 145 | Cat M40: 38 |
| 2024 | 3 Events, 263 km (More) | ||||
| 07.12.2024 | Chiangmai Thailand by UTMB - HMONG 50 (THA) | 53km | |||
| 8:21:00 h | Kobayashi, Hiromasa | Answer4 | Overall: 455 | M: 358 | Cat M40: 61 |
| 12.-13.10.2024 | TransJeju by UTMB 100 (KOR) | 100km | |||
| 19:43:42 h | Kobayashi, Hiromasa | Overall: 245 | M: 219 | Cat M40: 42 | |
| 15.-16.09.2024 | Shinetsu Five Mountains Trail 110km (JPN) | 110km | |||
| 17:44:23 h | Kobayashi, Hiromasa | *Tokyo | Overall: 309 | M: 255 | Cat M40: 62 |
| 2023 | 3 Events, 360.434 km (More) | ||||
| 09.-10.12.2023 | Doi Inthanon Thailand by UTMB - ELEPHANT 100 (THA) | 96.5km | |||
| 21:22:03 h | Kobayashi, Hiromasa | Overall: 245 | M: 197 | Cat M40: 45 | |
| 11.-12.11.2023 | TransLantau 100 by UTMB (HKG) | 103km | |||
| 23:01:20 h | Kobayashi, Hiromasa | Answer4 | Overall: 185 | M: 148 | Cat M40: 40 |
| 20.-21.05.2023 | Trainic World 100 Mile in Sai-No-Kuni (JPN) | 100mi | |||
| 33:43:35 h | Kobayashi, Hiromasa | *Tokyo | Overall: 75 | M: 69 | Cat M40: 26 |
| 2022 | 2 Events, 321.868 km (More) | ||||
| 05.-06.11.2022 | Rio Del Lago 100 Mile Endurance Run (USA) | 100mi | |||
| 28:10:32 h | Kobayashi, Hiromasa | *Hachioji-Shi | Overall: 130 | M: 91 | Cat M40: 24 |
| 25.-26.06.2022 | Kyoto 100 (JPN) | 100mi | |||
| 38:52:30 h | Kobayashi, Hiromasa | Overall: 4 | M: 1 | Cat M40: 1 | |
| 2021 | 1 Event, 75 km (More) | ||||
| 28.08.2021 | Okushinano 100 - 75 km (JPN) | 75km | |||
| 12:27:35 h | Kobayashi, Hiromasa | Answer4 | Overall: 211 | M: 175 | Cat M40: 41 |
| 2018 | 1 Event, 65 km (More) | ||||
| 01.12.2018 | Formosa Trail 65Km (TPE) | 65km | |||
| 14:35:59 h | Kobayashi, Hiromasa | Overall: 57 | M: 50 | Cat M35: 9 | |
| 2017 | 1 Event, 108.7 km (More) | ||||
| 13.-14.05.2017 | Aso Round Trail (JPN) | 108.7km | |||
| 26:25:56 h | Kobayashi, Hiromasa | Answer4 | Overall: 133 | M: 115 | Cat M35: 29 |
| 2016 | 3 Events, 242.2 km (More) | ||||
| 18.-19.09.2016 | Shinetsu Five Mountains Trail 110km (JPN) | 110km | |||
| 18:21:34 h | Kobayashi, Hiromasa | Overall: 264 | M: 245 | Cat M35: 49 | |
| 26.06.2016 | Spatrail - Shima to Kusatsu (JPN) | 72.7km | |||
| 12:04:46 h | Kobayashi, Hiromasa | Overall: 423 | M: 375 | Cat M35: 90 | |
| 24.04.2016 | Korea 50K (KOR) | 59.5km | |||
| 9:32:06 h | Kobayashi, Hiromasa | Overall: 23 | M: 20 | Cat M35: 5 | |
| 2015 | 2 Events, 233.934 km (More) | ||||
| 19.-20.06.2015 | Bighorn Mountain Wild & Scenic 100 Mile Trail Run (USA) | 100mi | |||
| 27:35:52 h | Kobayashi, Hiromasa | *Tokyo-To | Overall: 59 | M: 53 | Cat M23: 23 |
| 17.05.2015 | Gasando Trail running race (JPN) | 73km | |||
| 9:04:25 h | Kobayashi, Hiromasa | Answer4 AM | Overall: 53 | M: 47 | Cat M23: 19 |
| 2014 | 1 Event, 168 km (More) | ||||
| 29.-31.08.2014 | Ultra Trail Tour du Mont Blanc (UTMB) (FRA) | 168km | |||
| 38:47:56 h | Kobayashi, Hiromasa | Runordie | Overall: 538 | M: 508 | Cat M23: 124 |
| 2013 | 2 Events, 172 km (More) | ||||
| 13.07.2013 | OSJ Ontake 100km Ultra Trail (JPN) | 100km | |||
| 14:06:26 h | Kobayashi, Hiromasa | ランオアダイ | Overall: 187 | M: 178 | Cat M23: 58 |
| 10.03.2013 | Izu Trail Journey (JPN) | 72km | |||
| 9:28:47 h | Kobayashi, Hiromasa | *Tokyo | Overall: 135 | M: 130 | Cat M23: 44 |
| 2012 | 3 Events, 210 km (More) | ||||
| 11.11.2012 | Kanna Mountain Run II (JPN) | 50km | |||
| 7:32:35 h | Kobayashi, Hiromasa | *Tokyo | Overall: 15 | M: 12 | Cat M23: 5 |
| 07.10.2012 | Madarao Forest Trails 50km (JPN) | 50km | |||
| 8:33:49 h | Kobayashi, Hiromasa | トレホリ | Overall: 332 | M: 246 | Cat M23: 51 |
| 16.-17.09.2012 | Shinetsu Five Mountains Trail 110km (JPN) | 110km | |||
| 16:12:08 h | Kobayashi, Hiromasa | Overall: 64 | M: 64 | Cat M23: 24 | |
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 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shinetsu Five Mountains Trail 110km | 3 | 17:44:23 | 18:21:34 | 16:12:08 | |||||||||
| Chiangmai Thailand by UTMB - HMONG 50 | 2 | 12:05:35 | 8:21:00 |





