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| Name: | Ichitsubo, Kazuya | 市坪和也 |
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| Club: | BDK | ||
| Residence: | Kagoshima Pref. | ||
| Year of birth: | 1983 | (Cat. german: M40) | |
| Date of birth: | 16.04.1983 | (Cat. internat.: M40) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 478602 | ||
36 search results (28 Events, 3390.864 km). (More)
| 2025 | 2 Events, 223.998 km (More) | ||||
|---|---|---|---|---|---|
| 28.09.2025 | Muraoka 64 km Ultra Marathon (JPN) | 64km | |||
| 5:33:25 h | Ichitsubo, Kazuya | BDK | Overall: 38 | M: 34 | Cat M40: 6 |
| 08.-09.03.2025 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 159.998 km | Ichitsubo, Kazuya | Overall: 48 | M: 35 | Cat M40: 2 | |
| 08.03.2025 | Jingu Gaien 24 Hour Challenge -12h Split (JPN) | 12h | |||
| 107.289 km | Ichitsubo, Kazuya | Overall: 39 | M: 29 | Cat M40: 4 | |
| 08.03.2025 | Jingu Gaien 24 Hour Challenge - 6h Split (JPN) | 6h | |||
| 62.254 km | Ichitsubo, Kazuya | Overall: 36 | M: 28 | Cat M40: 4 | |
| 2024 | 3 Events, 293.895 km (More) | ||||
| 29.09.2024 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 10:12:55 h | Ichitsubo, Kazuya | BDK | Overall: 14 | M: 9 | Cat M40: 4 |
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:53:26 h | Ichitsubo, Kazuya | Overall: 535 | M: 477 | Cat M40: 66 | |
| 23.-24.02.2024 | Taipei 12hr Ultra Marathon Night Run (TPE) | 12h | |||
| 105.895 km | Ichitsubo, Kazuya | Overall: 11 | M: 10 | Cat M40: 5 | |
| 23.-24.02.2024 | Taipei 12hr Ultra Marathon Night Run - 50km Split (TPE) | 50km | |||
| 4:47:27 h | Ichitsubo, Kazuya | Overall: 9 | M: 8 | Cat M40: 4 | |
| 23.-24.02.2024 | Taipei 12hr Ultra Marathon Night Run - 50mi Split (TPE) | 50mi | |||
| 8:30:59 h | Ichitsubo, Kazuya | Overall: 8 | M: 7 | Cat M40: 4 | |
| 23.-24.02.2024 | Taipei 12hr Ultra Marathon Night Run - 100km Split (TPE) | 100km | |||
| 11:14:43 h | Ichitsubo, Kazuya | Overall: 13 | M: 12 | Cat M40: 5 | |
| 23.-24.02.2024 | Taipei 12hr Ultra Marathon Night Run - 6h Split (TPE) | 6h | |||
| 60.696 km | Ichitsubo, Kazuya | Overall: 8 | M: 7 | Cat M40: 4 | |
| 2023 | 4 Events, 563.263 km (More) | ||||
| 24.09.2023 | Muraoka 88 km Ultra Marathon (JPN) | 88km | |||
| 8:32:57 h | Ichitsubo, Kazuya | *Kagoshima Pref. | Overall: 3 | M: 3 | Cat M40: 2 |
| 19.-20.08.2023 | 24-hour relay & solo marathon Kobe (JPN) | 24h | |||
| 181.900 km | Ichitsubo, Kazuya | Overall: 8 | M: 6 | Cat M40: 2 | |
| 10.-11.06.2023 | Aizu Yanaizu Akabeko Marathon - 12h (JPN) | 12h | |||
| 109.110 km | Ichitsubo, Kazuya | Overall: 7 | M: 5 | Cat M40: 2 | |
| 11.-12.03.2023 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 184.253 km | Ichitsubo, Kazuya | Overall: 39 | M: 32 | Cat M35: 2 | |
| 11.-12.03.2023 | Jingu Gaien 24 Hour Challenge -12h Split (JPN) | 12h | |||
| 123.132 km | Ichitsubo, Kazuya | Overall: 17 | M: 14 | Cat M35: 1 | |
| 11.03.2023 | Jingu Gaien 24 Hour Challenge - 6h Split (JPN) | 6h | |||
| 64.876 km | Ichitsubo, Kazuya | Overall: 23 | M: 18 | Cat M35: 2 | |
| 2019 | 1 Event, 171.7 km (More) | ||||
| 03.-04.08.2019 | 24-hour relay & solo marathon Kobe (JPN) | 24h | |||
| 171.700 km | Ichitsubo, Kazuya | Overall: 8 | M: 7 | Cat M35: 4 | |
| 2018 | 4 Events, 623.958 km (More) | ||||
| 16.12.2018 | Okinawa 100km Ultramarathon (JPN) | 100km | |||
| 8:36:03 h | Ichitsubo, Kazuya | *Kagoshima Pref. | Overall: 8 | M: 7 | Cat M35: 3 |
| 10.-11.11.2018 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 218.258 km | Ichitsubo, Kazuya | Overall: 15 | M: 14 | Cat M35: 5 | |
| 04.-05.08.2018 | 24-hour relay & solo marathon Kobe (JPN) | 24h | |||
| 205.700 km | Ichitsubo, Kazuya | Overall: 3 | M: 3 | Cat M35: 2 | |
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 8:12:17 h | Ichitsubo, Kazuya | Overall: 59 | M: 53 | Cat M35: 7 | |
| 2017 | 5 Events, 614.05 km (More) | ||||
| 17.12.2017 | Okinawa 100km Ultramarathon (JPN) | 100km | |||
| 8:12:36 h | Ichitsubo, Kazuya | *Kagoshima Pref. | Overall: 4 | M: 4 | Cat M23: 2 |
| 11.-12.11.2017 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 194.050 km | Ichitsubo, Kazuya | Overall: 41 | M: 34 | Cat M23: 3 | |
| 15.10.2017 | River Shimanto 100km (JPN) | 100km | |||
| 7:33:22 h | Ichitsubo, Kazuya | Overall: 7 | M: 7 | Cat M23: 6 | |
| 24.09.2017 | Muraoka 120 km Ultra Marathon (JPN) | 120km | |||
| 10:16:54 h | Ichitsubo, Kazuya | *Kagoshima Pref. | Overall: 2 | M: 2 | Cat M23: 1 |
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 7:58:20 h | Ichitsubo, Kazuya | BDK | Overall: 36 | M: 33 | Cat M23: 13 |
| 2016 | 3 Events, 300 km (More) | ||||
| 18.12.2016 | Okinawa 100km Ultramarathon (JPN) | 100km | |||
| 8:31:00 h | Ichitsubo, Kazuya | *Kagoshima Pref. | Overall: 2 | M: 2 | Cat M23: 2 |
| 16.10.2016 | River Shimanto 100km (JPN) | 100km | |||
| 7:52:13 h | Ichitsubo, Kazuya | BDK | Overall: 10 | M: 10 | Cat M23: 6 |
| 25.09.2016 | Muraoka 100 km Ultra Marathon (JPN) | 100km | |||
| 8:26:23 h | Ichitsubo, Kazuya | Overall: 1 | M: 1 | Cat M23: 1 | |
| 2015 | 3 Events, 300 km (More) | ||||
| 18.10.2015 | River Shimanto 100km (JPN) | 100km | |||
| 7:37:10 h | Ichitsubo, Kazuya | *Kagoshima Pref. | Overall: 4 | M: 4 | Cat M23: 2 |
| 06.06.2015 | Aso Caldera Super Marathon 100 km (JPN) | 100km | |||
| 7:53:34 h | Ichitsubo, Kazuya | Overall: 6 | M: 6 | Cat M23: 2 | |
| 29.03.2015 | Osaka Yodogawa 100 Km Ultra Marathon (JPN) | 100km | |||
| 7:43:12 h | Ichitsubo, Kazuya | Overall: 5 | M: 5 | Cat M23: 4 | |
| 2014 | 2 Events, 200 km (More) | ||||
| 19.10.2014 | River Shimanto 100km (JPN) | 100km | |||
| 8:40:05 h | Ichitsubo, Kazuya | BDK | Overall: 27 | M: 27 | Cat M23: 11 |
| 07.06.2014 | Aso Caldera Super Marathon 100 km (JPN) | 100km | |||
| 7:44:44 h | Ichitsubo, Kazuya | Overall: 3 | M: 3 | Cat M23: 2 | |
| 2013 | 1 Event, 100 km (More) | ||||
| 20.10.2013 | River Shimanto 100km (JPN) | 100km | |||
| 8:33:45 h | Ichitsubo, Kazuya | 鹿児島陸協 | Overall: 26 | M: 24 | Cat M23: 8 |
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 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | |
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| 50km | 4:47:27 |
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4:47:27
(4889/44) |
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| 50mi | 8:30:59 |
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8:30:59
(360/11) |
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| 100km | 7:33:22 |
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10:53:26
(2507/872) |
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8:12:17
(290/74) |
7:33:22
(87/25) |
7:52:13
(180/51) |
7:37:10
(136/29) |
8:40:05
(445/102) |
8:33:45
(383/85) |
| 6h | 64.876 |
62.254
(735/35) |
60.696
(988/12) |
64.876
(664/21) |
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| 12h | 123.132 |
107.289
(606/46) |
105.895
(523/17) |
123.132
(241/17) |
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| 24h | 218.258 |
159.998
(1219/82) |
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184.253
(541/32) |
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218.258
(131/16) |
194.050
(399/40) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| River Shimanto 100km | 5 | 7:33:22 | 7:52:13 | 7:37:10 | 8:40:05 | 8:33:45 | |||||
| Jingu Gaien 24 Hour Challenge | 4 | 159.998 | 184.253 | 218.258 | 194.050 | ||||||
| Okinawa 100km Ultramarathon | 3 | 8:36:03 | 8:12:36 | 8:31:00 | |||||||
| 24-hour relay & solo marathon Kobe | 3 | 181.900 | 171.700 | 205.700 | |||||||
| Lake Saroma 100 Km Ultramarathon | 3 | 10:53:26 | 8:12:17 | 7:58:20 | |||||||
| Muraoka 88 km Ultra Marathon | 2 | 10:12:55 | 8:32:57 | ||||||||
| Aso Caldera Super Marathon 100 km | 2 | 7:53:34 | 7:44:44 |