| Name: | Mashiyama, Sadashi | 増山定 |
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| Club: | 骨髄バンクランナーズ | ||
| Residence: | Miyagi Pref. | ||
| Year of birth: | 1967 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 816931 | ||
27 search results (25 Events, 2477.231 km). (More)
| 2025 | 5 Events, 521.227 km (More) | ||||
|---|---|---|---|---|---|
| 15.-16.11.2025 | Autumn leaves in Okumusashi / Chichibu Journey run (JPN) | 142km | |||
| 25:50:54 h | Mashiyama, Sadashi | *Miyagi Pref. | Overall: 153 | M: 123 | Cat M55: 25 |
| 19.10.2025 | Ultramarathon Okumusashi (JPN) | 70km | |||
| 9:59:06 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 399 | M: 328 | Cat M55: 44 |
| 06.07.2025 | Mt. Gassan Foot Ultra Marathon (JPN) | 75km | |||
| 11:22:37 h | Mashiyama, Sadashi | Overall: 116 | M: 96 | Cat M55: 11 | |
| 07.06.2025 | OSJ Aizu Bandaisan Ultramarathon - 100 km (JPN) | 100km | |||
| 14:08:43 h | Mashiyama, Sadashi | *Miyagi Pref. | Overall: 158 | M: 132 | Cat M55: 14 |
| 24.-25.05.2025 | Hirosaki 24h Ultra Run (JPN) | 24h | |||
| 134.227 km | Mashiyama, Sadashi | *Miyagi Pref. | Overall: 59 | M: 43 | Cat M55: 9 |
| 2024 | 5 Events, 623.324 km (More) | ||||
| 02.-03.11.2024 | Autumn leaves in Okumusashi / Chichibu Journey run (JPN) | 142km | |||
| 25:31:21 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 128 | M: 113 | Cat M55: 27 |
| 20.10.2024 | Ultramarathon Okumusashi (JPN) | 70km | |||
| 10:16:57 h | Mashiyama, Sadashi | ジャーニーラン研究会 | Overall: 571 | M: 457 | Cat M55: 77 |
| 07.07.2024 | Mt. Gassan Foot Ultra Marathon (JPN) | 75km | |||
| 11:41:48 h | Mashiyama, Sadashi | Overall: 140 | M: 103 | Cat M55: 10 | |
| 21.-22.05.2024 | Hirosaki 24h Ultra Run (JPN) | 24h | |||
| 85.324 km | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 87 | M: 67 | Cat M55: 13 |
| 03.-05.05.2024 | River Road Foot Race 251 Km (JPN) | 251km | |||
| 2d 08:27:00 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 56 | M: 42 | Cat M55: 11 |
| 2022 | 3 Events, 268.58 km (More) | ||||
| 05.06.2022 | OSJ Aizu Bandaisan Ultramarathon - 65 km (JPN) | 65km | |||
| 9:31:56 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 101 | M: 80 | Cat M50: 10 |
| 21.-22.05.2022 | Hirosaki 12h Ultra Run (JPN) | 12h | |||
| 67.580 km | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 11 | M: 9 | Cat M50: 1 |
| 21.-22.03.2022 | Arakawa Riverside Journey Stage Race (JPN) | 136km/2stages | |||
| 21:54:00 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 72 | M: 58 | Cat M50: 9 |
| 22.03.2022 | Arakawa Riverside Journey Stage Race - Stage 2 (JPN) | 55.4km | |||
| 8:47:00 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 70 | M: 55 | Cat M50: 9 |
| 21.03.2022 | Arakawa Riverside Journey Stage Race - Stage 1 (JPN) | 81.6km | |||
| 13:07:00 h | Mashiyama, Sadashi | よしだ眼科クリニック | Overall: 90 | M: 73 | Cat M50: 10 |
| 2021 | 3 Events, 189.7 km (More) | ||||
| 04.07.2021 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 63.700 km | Mashiyama, Sadashi | 骨髄バンクランナーズ | Overall: 186 | M: 125 | Cat M50: 26 |
| 10.04.2021 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:06:54 h | Mashiyama, Sadashi | チーム有酸素 | Overall: 309 | M: 256 | Cat M50: 49 |
| 04.04.2021 | Arakawa Riverside Journey Stage Race - Stage 2 (JPN) | 56km | |||
| 8:09:00 h | Mashiyama, Sadashi | チーム有酸素 | Overall: 32 | M: 23 | Cat M50: 4 |
| 2020 | 2 Events, 223 km (More) | ||||
| 04.10.2020 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 15:38:10 h | Mashiyama, Sadashi | 骨髄バンクランナーズ | Overall: 106 | M: 88 | Cat M50: 11 |
| 19.-20.09.2020 | Utsukushima Fukushima Journey Run 123K (JPN) | 123km | |||
| 22:39:51 h | Mashiyama, Sadashi | 骨髄バンクランナーズ | Overall: 143 | M: 118 | Cat M50: 31 |
| 2019 | 3 Events, 280.4 km (More) | ||||
| 19.10.2019 | Inagawa 100km Ultra-Marathon (JPN) | 51.4km | |||
| 7:50:58 h | Mashiyama, Sadashi | *Miyagi Pref. | Overall: 517 | M: 351 | Cat M50: 44 |
| 29.09.2019 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 15:50:58 h | Mashiyama, Sadashi | 骨髄バンクランナーズ | Overall: 45 | M: 35 | Cat M50: 6 |
| 14.-15.09.2019 | Utsukushima Fukushima Journey Run 129K (JPN) | 129km | |||
| 22:40:54 h | Mashiyama, Sadashi | 骨髄バンクランナーズ | Overall: 37 | M: 29 | Cat M50: 3 |
| 2018 | 2 Events, 200 km (More) | ||||
| 20.10.2018 | Inagawa 100km Ultra-Marathon (JPN) | 100km | |||
| 15:49:39 h | Mashiyama, Sadashi | *Miyagi Pref. | Overall: 202 | M: 162 | Cat M50: 30 |
| 22.04.2018 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:44:18 h | Mashiyama, Sadashi | チーム有酸素 | Overall: 1139 | M: 966 | Cat M50: 131 |
| 2017 | 1 Event, 100 km (More) | ||||
| 07.-08.10.2017 | Yukihashi to Beppu 100 km (JPN) | 100km | |||
| 25:23:23 h | Mashiyama, Sadashi | *Miyagi Pref. | Overall: 3037 | M: 2404 | Cat M45: 329 |
| 2016 | 1 Event, 71 km (More) | ||||
| 24.04.2016 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 9:47:24 h | Mashiyama, Sadashi | チーム有酸素 | Overall: 513 | M: 394 | Cat M45: 49 |
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 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24h | 134.227 |
134.227
(1890/126) |
85.324
(3403/129) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Mt. Gassan Foot Ultra Marathon | 2 | 11:22:37 | 11:41:48 | |||||||
| Hirosaki 24h Ultra Run | 2 | 134.227 | 85.324 | |||||||
| Autumn leaves in Okumusashi / Chichibu Journey run | 2 | 25:50:54 | 25:31:21 | |||||||
| Naeba-Sanroku Geopark Tsunan Ultramarathon 100K | 2 | 15:38:10 | 15:50:58 | |||||||
| Inagawa 100km Ultra-Marathon | 2 | 7:50:58 | 15:49:39 | |||||||
| Ultramarathon Okumusashi | 2 | 9:59:06 | 10:16:57 |





