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| Name: | Ishizuka, Tomomi | 石塚知美 |
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| Club: | 彩湖ランニングクラブ | ||
| Residence: | Saitama Pref. | ||
| Year of birth: | 1974 | (Cat. german: W50) | |
| Date of birth: | 18.04.1974 | (Cat. internat.: W50) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 221112 | ||
69 search results (69 Events, 9047.734 km). (More)
| 2025 | 2 Events, 243 km (More) | ||||
|---|---|---|---|---|---|
| 19.10.2025 | Ultramarathon Okumusashi (JPN) | 70km | |||
| 10:28:45 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 460 | F: 91 | Cat W50: 19 |
| 04.-05.05.2025 | Nagasaki Tachibana Gulf Coast Super Maranic 173 (JPN) | 173km | |||
| 30:20:00 h | Ishizuka, Tomomi | Overall: 42 | F: 10 | Cat W50: 1 | |
| 2024 | 3 Events, 326 km (More) | ||||
| 20.10.2024 | Ultramarathon Okumusashi (JPN) | 70km | |||
| 9:47:02 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 490 | F: 95 | Cat W50: 22 |
| 05.-06.10.2024 | Noto Country Journey Run (JPN) | 151km | |||
| 25:54:56 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 119 | F: 29 | Cat W50: 6 |
| 31.08.-01.09.2024 | Sendai Ultra 100km (JPN) | 105km | |||
| 18:19:51 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 25 | F: 4 | Cat W50: 1 |
| 2023 | 2 Events, 591 km (More) | ||||
| 04.06.2023 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:42:12 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 580 | F: 121 | Cat W45: 21 |
| 30.04.-05.05.2023 | River Road Foot Race 513 Km (JPN) | 513km | |||
| 5d 11:33:10 h | Ishizuka, Tomomi | Overall: 79 | F: 12 | Cat W45: 3 | |
| 2022 | 2 Events, 591 km (More) | ||||
| 05.06.2022 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:43:33 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 661 | F: 126 | Cat W45: 23 |
| 30.04.-05.05.2022 | River Road Foot Race 513 Km (JPN) | 513km | |||
| 5d 10:12:03 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 64 | F: 12 | Cat W45: 5 |
| 2021 | 2 Events, 193.2 km (More) | ||||
| 14.11.2021 | Miyagi Yumeguri Ultra Run (JPN) | 47.2km | |||
| 6:27:00 h | Ishizuka, Tomomi | Overall: 52 | F: 14 | Cat W45: 3 | |
| 30.-31.10.2021 | Autumn leaves in Okumusashi / Chichibu Journey run (JPN) | 146km | |||
| 25:12:56 h | Ishizuka, Tomomi | Overall: 222 | F: 39 | Cat W45: 10 | |
| 2020 | 1 Event, 206 km (More) | ||||
| 22.-23.02.2020 | Little Edo Oedo 205k (JPN) | 206km | |||
| 35:02:54 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 197 | F: 24 | Cat W45: 9 |
| 2019 | 5 Events, 839.4 km (More) | ||||
| 19.10.2019 | Inagawa 100km Ultra-Marathon (JPN) | 51.4km | |||
| 7:41:27 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 472 | F: 149 | Cat W45: 30 |
| 07.09.2019 | Miyagi Yumeguri Ultra Marathon - 95 km (JPN) | 95km | |||
| 13:58:40 h | Ishizuka, Tomomi | Overall: 10 | F: 3 | Cat W45: 1 | |
| 17.-18.08.2019 | World Cultural Heritage "Fuji" Foot Race (JPN) | 101km | |||
| 14:46:51 h | Ishizuka, Tomomi | Overall: 70 | F: 7 | Cat W45: 2 | |
| 02.06.2019 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:29:03 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 1050 | F: 188 | Cat W45: 44 |
| 30.04.-05.05.2019 | River Road Foot Race 514 Km (JPN) | 514km | |||
| 5d 08:44:14 h | Ishizuka, Tomomi | Overall: 68 | F: 7 | Cat W45: 3 | |
| 2018 | 3 Events, 796 km (More) | ||||
| 03.06.2018 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:01:22 h | Ishizuka, Tomomi | 彩湖ランニグクラブ | Overall: 711 | F: 113 | Cat W40: 18 |
| 30.04.-05.05.2018 | River Road Foot Race 514 Km (JPN) | 514km | |||
| 5d 10:17:49 h | Ishizuka, Tomomi | Overall: 68 | F: 9 | Cat W40: 3 | |
| 03.-04.03.2018 | Little Edo Oedo 200k (JPN) | 204km | |||
| 34:54:50 h | Ishizuka, Tomomi | Overall: 183 | F: 34 | Cat W40: 10 | |
| 2017 | 9 Events, 1400.051 km (More) | ||||
| 30.09.-01.10.2017 | Coedo Kawagoe Running Fest 24-hours run (JPN) | 24h | |||
| 129.115 km | Ishizuka, Tomomi | Overall: 25 | F: 2 | Cat W40: 1 | |
| 24.09.2017 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 15:00:00 h | Ishizuka, Tomomi | Overall: 97 | F: 10 | Cat W40: 2 | |
| 02.09.2017 | Miyagi Yumeguri Ultra Marathon - 115 km (JPN) | 115km | |||
| 14:01:02 h | Ishizuka, Tomomi | Overall: 41 | F: 6 | Cat W40: 2 | |
| 02.07.2017 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 51.936 km | Ishizuka, Tomomi | *Saitama Ken | Overall: 67 | F: 13 | Cat W40: 5 |
| 04.06.2017 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 10:21:29 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 976 | F: 181 | Cat W40: 36 |
| 30.04.-05.05.2017 | River Road Foot Race 520 Km (JPN) | 520km | |||
| 5d 10:24:12 h | Ishizuka, Tomomi | Overall: 72 | F: 5 | Cat W40: 2 | |
| 15.04.2017 | Okuizumo Ultra Orochi 100km Tooashi (JPN) | 102km | |||
| 14:43:48 h | Ishizuka, Tomomi | Overall: 255 | F: 53 | Cat W40: 10 | |
| 04.-05.03.2017 | Little Edo Oedo 200k (JPN) | 204km | |||
| 35:33:52 h | Ishizuka, Tomomi | Overall: 218 | F: 31 | Cat W40: 9 | |
| 15.01.2017 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 12:20:20 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 170 | F: 37 | Cat W40: 5 |
| 2016 | 10 Events, 1311.636 km (More) | ||||
| 04.-05.11.2016 | Tachibana Bay Coast 100 Ultra Marathon (JPN) | 103km | |||
| 16:05:54 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 145 | F: 23 | Cat W40: 7 |
| 01.-02.10.2016 | Coedo Kawagoe Running Fest 24-hours run (JPN) | 24h | |||
| 117.700 km | Ishizuka, Tomomi | Overall: 20 | F: 2 | Cat W40: 1 | |
| 18.09.2016 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 14:44:52 h | Ishizuka, Tomomi | Overall: 53 | F: 5 | Cat W40: 2 | |
| 17.-18.07.2016 | Michinoku Tsugaru Journey Run 200K (JPN) | 200km | |||
| 35:13:34 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 58 | F: 9 | Cat W40: 3 |
| 03.07.2016 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 51.936 km | Ishizuka, Tomomi | *Saitama Ken | Overall: 73 | F: 13 | Cat W40: 4 |
| 05.06.2016 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 9:47:05 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 778 | F: 110 | Cat W40: 23 |
| 03.-05.05.2016 | River Road Foot Race 255 Km (JPN) | 255km | |||
| 2d 08:20:59 h | Ishizuka, Tomomi | Overall: 30 | F: 3 | Cat W40: 1 | |
| 16.04.2016 | Okuizumo Ultra Orochi 100km Tooashi (JPN) | 102km | |||
| 14:52:12 h | Ishizuka, Tomomi | Overall: 181 | F: 32 | Cat W40: 8 | |
| 05.-06.03.2016 | Little Edo Oedo 200k (JPN) | 204km | |||
| 33:46:32 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 123 | F: 14 | Cat W40: 4 |
| 17.01.2016 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 12:33:38 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 186 | F: 27 | Cat W40: 5 |
| 2015 | 10 Events, 999.981 km (More) | ||||
| 06.12.2015 | Coedo Kawagoe 6 Hours Run (JPN) | 6h | |||
| 51.000 km | Ishizuka, Tomomi | Overall: 21 | F: 2 | Cat W40: 1 | |
| 19.09.2015 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 14:00:07 h | Ishizuka, Tomomi | Overall: 67 | F: 7 | Cat W40: 2 | |
| 12.-13.09.2015 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 143.000 km | Ishizuka, Tomomi | Overall: 24 | F: 7 | Cat W40: 2 | |
| 12.07.2015 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 55.981 km | Ishizuka, Tomomi | *Saitama Ken | Overall: 61 | F: 13 | Cat W40: 7 |
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:48:07 h | Ishizuka, Tomomi | 彩湖ランニング | Overall: 1398 | F: 168 | Cat W40: 35 |
| 22.06.2015 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:00:57 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 860 | F: 124 | Cat W40: 29 |
| 28.-29.05.2015 | Tokorozawa Road to Morning - 12h (JPN) | 12h | |||
| 70.000 km | Ishizuka, Tomomi | Overall: 24 | F: 4 | Cat W40: 2 | |
| 26.04.2015 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 12:08:16 h | Ishizuka, Tomomi | Overall: 116 | F: 14 | Cat W40: 6 | |
| 28.02.-01.03.2015 | Little Edo Oedo 200k (JPN) | 203km | |||
| 34:46:54 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 173 | F: 17 | Cat W40: 4 |
| 11.01.2015 | Miyako 100 Km Ultramarathon (JPN) | 100km | |||
| 12:09:25 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 217 | F: 34 | Cat W40: 3 |
| 2014 | 7 Events, 586.99 km (More) | ||||
| 07.12.2014 | Coedo Kawagoe 6 Hours Run (JPN) | 6h | |||
| 49.300 km | Ishizuka, Tomomi | Overall: 33 | F: 4 | Cat W40: 1 | |
| 12.10.2014 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 13:19:13 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 1134 | F: 167 | Cat W40: 29 |
| 20.09.2014 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 14:09:00 h | Ishizuka, Tomomi | Overall: 74 | F: 3 | Cat W40: 2 | |
| 27.07.2014 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 11:04:10 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 787 | F: 160 | Cat W40: 38 |
| 06.07.2014 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 48.690 km | Ishizuka, Tomomi | *Saitama Ken | Overall: 81 | F: 15 | Cat W40: 5 |
| 18.05.2014 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 13:45:44 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 1017 | F: 98 | Cat W40: 28 |
| 01.-02.03.2014 | Oedo Night run 112k (JPN) | 112km | |||
| 18:14:59 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 58 | F: 14 | Cat W35: 2 |
| 2013 | 5 Events, 384.982 km (More) | ||||
| 01.12.2013 | Coedo Kawagoe 6 Hours Run (JPN) | 6h | |||
| 52.800 km | Ishizuka, Tomomi | Overall: 24 | F: 5 | Cat W35: 2 | |
| 29.09.2013 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 15:23:00 h | Ishizuka, Tomomi | Overall: 65 | F: 3 | Cat W35: 1 | |
| 28.07.2013 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:06:14 h | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 780 | F: 152 | Cat W35: 28 |
| 07.07.2013 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 55.182 km | Ishizuka, Tomomi | 彩湖ランニングクラブ | Overall: 106 | F: 22 | Cat W35: 2 |
| 01.06.2013 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:28:47 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 978 | F: 84 | Cat W35: 13 |
| 2012 | 3 Events, 235.428 km (More) | ||||
| 30.09.2012 | Jonaizaka 100 Km Ultra Marathon (JPN) | 100km | |||
| 14:55:00 h | Ishizuka, Tomomi | Overall: 39 | F: 4 | Cat W35: 1 | |
| 05.08.2012 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 11:16:03 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 925 | F: 187 | Cat W35: 39 |
| 08.07.2012 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 58.428 km | Ishizuka, Tomomi | *Saitama Pref. | Overall: 188 | F: 28 | Cat W35: 5 |
| 2011 | 4 Events, 287.884 km (More) | ||||
| 07.08.2011 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:39:22 h | Ishizuka, Tomomi | *Saitama Pref. | Overall: 513 | F: 107 | Cat W35: 21 |
| 10.07.2011 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 58.428 km | Ishizuka, Tomomi | *Saitama Pref. | Overall: 62 | F: 12 | Cat W35: 2 |
| 21.-22.05.2011 | 12 hour Tokorozawa (JPN) | 12h | |||
| 80.456 km | Ishizuka, Tomomi | *Saitama Pref. | Overall: 49 | F: 8 | Cat W35: 2 |
| 30.04.2011 | Fuji 5 Lakes 72 km Challenge (JPN) | 72km | |||
| 9:19:51 h | Ishizuka, Tomomi | Overall: 261 | F: 71 | Cat W35: 20 | |
| 2010 | 1 Event, 55.182 km (More) | ||||
| 04.07.2010 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 55.182 km | Ishizuka, Tomomi | *Saitama Pref. | Overall: 143 | F: 25 | Cat W35: 1 |
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 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | |
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| 100km | 11:48:07 |
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11:48:07
(719/268) |
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13:28:47
(1121/480) |
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| 12h | 80.456 |
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80.456
(333/19) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultramarathon Okumusashi | 13 | 10:28:45 | 9:47:02 | 10:42:12 | 10:43:33 | 10:29:03 | 10:01:22 | 10:21:29 | 9:47:05 | 10:00:57 | 11:04:10 | 10:06:14 | 11:16:03 | 9:39:22 | |||
| Jonaizaka 100 Km Ultra Marathon | 6 | 15:00:00 | 14:44:52 | 14:00:07 | 14:09:00 | 15:23:00 | 14:55:00 | ||||||||||
| River Road Foot Race 520 Km | 5 | 131:33:10 | 130:12:03 | 128:44:14 | 130:17:49 | 130:24:12 | |||||||||||
| Little Edo Oedo 200k | 5 | 35:02:54 | 34:54:50 | 35:33:52 | 33:46:32 | 34:46:54 | |||||||||||
| 8-Hour Endurance Race Tokorozawa - 3 tai | 4 | 51.936 | 51.936 | 55.981 | 48.690 | ||||||||||||
| 8-Hour Endurance Race Tokorozawa | 4 | 55.182 | 58.428 | 58.428 | 55.182 | ||||||||||||
| Coedo Kawagoe 6 Hours Run | 3 | 51.000 | 49.300 | 52.800 | |||||||||||||
| Miyako 100 Km Ultramarathon | 3 | 12:20:20 | 12:33:38 | 12:09:25 | |||||||||||||
| Coedo Kawagoe Running Fest 24-hours run | 2 | 129.115 | 117.700 | ||||||||||||||
| Okuizumo Ultra Orochi 100km Tooashi | 2 | 14:43:48 | 14:52:12 |