| Name: | Iwanami, Junji | 岩波潤史 |
|
| Club: | 聖護院八ツ橋 | ||
| Residence: | Shiga Pref. | ||
| Year of birth: | 1972 | (Cat. german: M50) | |
| Date of birth: | 11.10.1972 | (Cat. internat.: M50) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 660816 | ||
33 search results (33 Events, 3166.434 km). (More)
| 2025 | 4 Events, 541 km (More) | ||||
|---|---|---|---|---|---|
| 10.-12.10.2025 | Lake Biwa 100 (JPN) | 169km | |||
| 32:59:39 h | Iwanami, Junji | Overall: 24 | M: 23 | Cat M50: 2 | |
| 21.-22.06.2025 | Kaga Spa by UTMB - Kaga Spa Trail Endurance100 (JPN) | 105km | |||
| 18:33:33 h | Iwanami, Junji | Overall: 50 | M: 41 | Cat M50: 5 | |
| 18.05.2025 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 9:52:20 h | Iwanami, Junji | Overall: 44 | M: 42 | Cat M50: 4 | |
| 25.-26.04.2025 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 25:48:19 h | Iwanami, Junji | 京都100マイラークラブ | Overall: 43 | M: 40 | Cat M50: 2 |
| 2024 | 4 Events, 418.5 km (More) | ||||
| 13.-14.10.2024 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 10:17:13 h | Iwanami, Junji | Overall: 68 | M: 64 | Cat M50: 9 | |
| 15.09.2024 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 8:46:11 h | Iwanami, Junji | Overall: 14 | M: 13 | Cat M50: 1 | |
| 18.-19.05.2024 | Amagase Trail 80 km (JPN) | 80km | |||
| 9:48:30 h | Iwanami, Junji | Overall: 1 | M: 1 | Cat M50: 1 | |
| 26.-27.04.2024 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 25:51:29 h | Iwanami, Junji | 京都100マイラークラブ | Overall: 30 | M: 28 | Cat M50: 2 |
| 2023 | 4 Events, 417 km (More) | ||||
| 07.-08.10.2023 | TransJeju by UTMB 100 (KOR) | 100km | |||
| 13:46:59 h | Iwanami, Junji | Overall: 41 | M: 35 | Cat M50: 4 | |
| 21.05.2023 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 9:37:15 h | Iwanami, Junji | Overall: 14 | M: 13 | Cat M50: 4 | |
| 21.-23.04.2023 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 23:49:43 h | Iwanami, Junji | 京都100マイラークラブ | Overall: 20 | M: 20 | Cat M50: 2 |
| 09.04.2023 | AYABE Trailrun (JPN) | 50km | |||
| 5:01:49 h | Iwanami, Junji | *Shiga Pref. | Overall: 2 | M: 2 | Cat M50: 1 |
| 2022 | 4 Events, 478 km (More) | ||||
| 18.-19.09.2022 | Shinetsu Five Mountains Trail 110km (JPN) | 110km | |||
| 15:27:07 h | Iwanami, Junji | 京都100マイルクラブ | Overall: 16 | M: 15 | Cat M45: 5 |
| 22.05.2022 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 10:08:30 h | Iwanami, Junji | Overall: 59 | M: 59 | Cat M45: 13 | |
| 22.-24.04.2022 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 26:20:44 h | Iwanami, Junji | 京都100マイルクラブ | Overall: 118 | M: 112 | Cat M45: 16 |
| 05.-06.03.2022 | Kumagawa Revival Trail (JPN) | 101km | |||
| 14:54:42 h | Iwanami, Junji | Overall: 5 | M: 5 | Cat M45: 1 | |
| 2021 | 2 Events, 150 km (More) | ||||
| 06.-07.11.2021 | OSJ Kami 100 (JPN) | 100km | |||
| 15:55:45 h | Iwanami, Junji | 京都マイラーズクラブ | Overall: 16 | M: 15 | Cat M45: 3 |
| 04.04.2021 | Yasu Ultrunrace 50 km (JPN) | 50km | |||
| 7:11:09 h | Iwanami, Junji | Overall: 3 | M: 2 | Cat M45: 1 | |
| 2020 | 2 Events, 218.934 km (More) | ||||
| 10.-11.10.2020 | OSJ Koumi 100 (JPN) | 100mi | |||
| 29:17:02 h | Iwanami, Junji | 京都マイラーズ | Overall: 15 | M: 15 | Cat M45: 1 |
| 05.09.2020 | Kyoto Grand Traverse (JPN) | 58km | |||
| 7:37:54 h | Iwanami, Junji | Overall: 4 | M: 4 | Cat M45: 1 | |
| 2019 | 5 Events, 363 km (More) | ||||
| 27.10.2019 | OSJ Hyonosen Mountains Trail Race (JPN) | 73km | |||
| 9:53:29 h | Iwanami, Junji | Overall: 8 | M: 8 | Cat M45: 3 | |
| 29.09.2019 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 9:28:40 h | Iwanami, Junji | *Shiga Pref. | Overall: 8 | M: 8 | Cat M45: 3 |
| 30.06.2019 | Fairy Trail - Super Long (JPN) | 60km | |||
| 9:05:02 h | Iwanami, Junji | Overall: 23 | M: 22 | Cat M45: 8 | |
| 22.06.2019 | OSJ Yamanaka Onsen Trail Run (JPN) | 80km | |||
| 12:14:28 h | Iwanami, Junji | Overall: 17 | M: 17 | Cat M45: 3 | |
| 25.05.2019 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 7:44:56 h | Iwanami, Junji | *Shiga Pref. | Overall: 17 | M: 14 | Cat M45: 2 |
| 2018 | 4 Events, 283 km (More) | ||||
| 14.10.2018 | Gasando Trail running race (JPN) | 73km | |||
| 9:15:53 h | Iwanami, Junji | *Shiga Pref. | Overall: 18 | M: 18 | Cat M45: 3 |
| 16.09.2018 | Tango 60 km Ultramarathon (JPN) | 60km | |||
| 5:23:02 h | Iwanami, Junji | 聖護院八ッ橋総本店 | Overall: 30 | M: 28 | Cat M45: 2 |
| 17.06.2018 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 9:41:36 h | Iwanami, Junji | Overall: 20 | M: 19 | Cat M45: 5 | |
| 12.05.2018 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 8:15:26 h | Iwanami, Junji | *Shiga Pref. | Overall: 93 | M: 85 | Cat M45: 19 |
| 2017 | 2 Events, 150 km (More) | ||||
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:17:34 h | Iwanami, Junji | 聖護院八ツ橋 | Overall: 177 | M: 163 | Cat M40: 45 |
| 13.05.2017 | Mt. Hiei Int. 50 Km Trail Run (JPN) | 50km | |||
| 8:05:23 h | Iwanami, Junji | *Shiga Pref. | Overall: 103 | M: 95 | Cat M40: 21 |
| 2015 | 2 Events, 147 km (More) | ||||
| 20.09.2015 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 10:30:07 h | Iwanami, Junji | *Shiga Pref. | Overall: 170 | M: 161 | Cat M40: 50 |
| 29.03.2015 | Osaka Yodogawa 50 Km Ultra Marathon (JPN) | 47km | |||
| 3:49:05 h | Iwanami, Junji | Overall: 16 | M: 16 | Cat M40: 6 | |
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 | 2020 | 2019 | 2018 | 2017 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 8:46:11 |
|
8:46:11
(522/120) |
|
|
|
|
|
|
9:17:34
(828/295) |
10:30:07
(2561/1072) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2015 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultra-Trail Mt. Fuji (UTMF) | 4 | 25:48:19 | 25:51:29 | 23:49:43 | 26:20:44 | ||||||
| Mt. Hiei Int. 50 Km Trail Run | 3 | 7:44:56 | 8:15:26 | 8:05:23 | |||||||
| Yatsugatake Nobeyama 100 km | 3 | 9:52:20 | 9:37:15 | 10:08:30 | |||||||
| Tango 100 km Ultramarathon | 2 | 8:46:11 | 10:30:07 |





