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| Name: | Ishii, Masaru | 石井大 |
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| Club: | ナイスおっさん | ||
| Residence: | Kanagawa Pref. | ||
| Year of birth: | 1969 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 829717 | ||
30 search results (28 Events, 5802.626 km). (More)
| 2025 | 3 Events, 459.086 km (More) | ||||
|---|---|---|---|---|---|
| 13.-14.09.2025 | Shonan Int. Relay Marathon 24 Hour Run (JPN) | 24h | |||
| 155.106 km | Ishii, Masaru | Overall: 9 | M: 8 | Cat M55: 1 | |
| 21.-22.06.2025 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 154.980 km | Ishii, Masaru | Overall: 17 | M: 16 | Cat M55: 2 | |
| 29.-30.03.2025 | Modern Japanese Silk Road Journey Run (JPN) | 149km/2stages | |||
| 25:13:10 h | Ishii, Masaru | ナイスおっさん | Overall: 89 | M: 64 | Cat M55: 14 |
| 30.03.2025 | Modern Japanese Silk Road Journey Run - Stage 2 (JPN) | 71km | |||
| 12:41:06 h | Ishii, Masaru | ナイスおっさん | Overall: 76 | M: 61 | Cat M55: 12 |
| 29.03.2025 | Modern Japanese Silk Road Journey Run - Stage 1 (JPN) | 78km | |||
| 12:32:04 h | Ishii, Masaru | ナイスおっさん | Overall: 100 | M: 69 | Cat M55: 13 |
| 2024 | 2 Events, 2120 km (More) | ||||
| 20.04.-11.05.2024 | Across Honshu Lengthwise Foot Race (JPN) | 1550km | |||
| 24d 22:06:17 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 3 | M: 3 | Cat M50: 2 |
| 27.04.-06.05.2024 | Reiheishi Michi Kyoto to Nikko - 570 km (JPN) | 570km | |||
| 8d 05:54:25 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 15 | M: 13 | Cat M50: 2 |
| 2023 | 1 Event, 513 km (More) | ||||
| 30.04.-05.05.2023 | River Road Foot Race 513 Km (JPN) | 513km | |||
| 5d 10:24:59 h | Ishii, Masaru | Overall: 72 | M: 62 | Cat M50: 18 | |
| 2022 | 2 Events, 198 km (More) | ||||
| 19.11.2022 | Geki Zaka 54 km (JPN) | 54km | |||
| 5:26:36 h | Ishii, Masaru | Overall: 19 | M: 19 | Cat M50: 2 | |
| 16.-17.07.2022 | Fuji Hokuroku Park 24h (JPN) | 24h | |||
| 144.000 km | Ishii, Masaru | Overall: 8 | M: 7 | Cat M50: 2 | |
| 2021 | 3 Events, 587.8 km (More) | ||||
| 03.-04.07.2021 | Fuji Hokuroku Park 24h (JPN) | 24h | |||
| 136.800 km | Ishii, Masaru | Overall: 12 | M: 11 | Cat M50: 1 | |
| 03.-05.05.2021 | River Road Foot Race 254 Km (JPN) | 251km | |||
| 2d 04:57:49 h | Ishii, Masaru | Overall: 36 | M: 30 | Cat M50: 5 | |
| 27.-28.02.2021 | Little Edo Oedo 200k (JPN) | 200km | |||
| 34:22:40 h | Ishii, Masaru | ナイスおっさん | Overall: 136 | M: 116 | Cat M50: 27 |
| 2019 | 5 Events, 662.2 km (More) | ||||
| 14.-15.09.2019 | Shonan Int. Relay Marathon 24 Hour Run (JPN) | 24h | |||
| 133.200 km | Ishii, Masaru | Overall: 43 | M: 33 | Cat M45: 11 | |
| 02.06.2019 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 9:27:15 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 652 | M: 554 | Cat M45: 111 |
| 19.05.2019 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 11:55:55 h | Ishii, Masaru | Overall: 546 | M: 509 | Cat M45: 98 | |
| 21.04.2019 | Fuji 5 Lakes 118 km Challenge (JPN) | 118km | |||
| 14:54:16 h | Ishii, Masaru | Overall: 510 | M: 454 | Cat M45: 85 | |
| 23.-24.02.2019 | Little Edo Oedo 230k (JPN) | 233km | |||
| 35:24:17 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 26 | M: 23 | Cat M45: 7 |
| 2018 | 5 Events, 589.3 km (More) | ||||
| 15.-16.09.2018 | Hiratsuka 24 hour race (JPN) | 24h | |||
| 171.300 km | Ishii, Masaru | Overall: 17 | M: 14 | Cat M45: 5 | |
| 17.06.2018 | Nikko 100km Ultramarathon (JPN) | 100km | |||
| 12:57:47 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 494 | M: 445 | Cat M45: 76 |
| 03.06.2018 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:11:20 h | Ishii, Masaru | Overall: 683 | M: 624 | Cat M45: 100 | |
| 20.05.2018 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:43:50 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 1308 | M: 1170 | Cat M45: 259 |
| 22.04.2018 | Fuji 5 Lakes 118 km Challenge (JPN) | 118km | |||
| 14:33:03 h | Ishii, Masaru | Overall: 338 | M: 308 | Cat M45: 70 | |
| 2017 | 5 Events, 523.24 km (More) | ||||
| 24.09.2017 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 12:52:00 h | Ishii, Masaru | Overall: 47 | M: 43 | Cat M45: 15 | |
| 09.-10.09.2017 | Hiratsuka 24 hour race (JPN) | 24h | |||
| 152.240 km | Ishii, Masaru | Overall: 21 | M: 19 | Cat M45: 6 | |
| 04.06.2017 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 12:54:37 h | Ishii, Masaru | Overall: 903 | M: 847 | Cat M45: 178 | |
| 21.05.2017 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 12:50:41 h | Ishii, Masaru | *Kanagawa Pref. | Overall: 479 | M: 431 | Cat M45: 107 |
| 23.04.2017 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 7:49:16 h | Ishii, Masaru | Overall: 141 | M: 116 | Cat M45: 20 | |
| 2016 | 2 Events, 150 km (More) | ||||
| 18.09.2016 | Jonaizaka 50 Km Ultra Marathon (JPN) | 50km | |||
| 6:10:14 h | Ishii, Masaru | Overall: 10 | M: 7 | Cat M45: 2 | |
| 05.06.2016 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:35:26 h | Ishii, Masaru | Overall: 1040 | M: 950 | Cat M45: 209 | |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 11:55:55 |
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11:55:55
(4960/2301) |
13:11:20
(7607/3968) |
12:54:37
(6861/3261) |
13:35:26
(8761/4952) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2019 | 2018 | 2017 | 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Tokyo Shibamata 100 km | 4 | 11:55:55 | 13:11:20 | 12:54:37 | 13:35:26 | |||||
| Hiratsuka 24 hour race | 4 | 155.106 | 133.200 | 171.300 | 152.240 | |||||
| Fuji Hokuroku Park 24h | 2 | 144.000 | 136.800 | |||||||
| Yatsugatake Nobeyama 100 km | 2 | 13:43:50 | 12:50:41 | |||||||
| Fuji 5 Lakes 118 km Challenge | 2 | 14:54:16 | 14:33:03 |