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| Name: | Araki, Masako | 荒木雅子 |
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| Club: | |||
| Residence: | Tokyo | ||
| Year of birth: | 1968 | (Cat. german: W55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W55) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 178576 | ||
47 search results (47 Events, 3813.4 km). (More)
| 2025 | 5 Events, 346 km (More) | ||||
|---|---|---|---|---|---|
| 15.11.2025 | FunTrails50K Round (JPN) | 50km | |||
| 9:21:21 h | Araki, Masako | *Tokyo | Overall: 194 | F: 24 | Cat W55: 1 |
| 19.10.2025 | Ultramarathon Okumusashi (JPN) | 70km | |||
| 7:31:47 h | Araki, Masako | *Tokyo | Overall: 80 | F: 12 | Cat W55: 3 |
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:48:58 h | Araki, Masako | Overall: 543 | F: 55 | Cat W55: 4 | |
| 10.05.2025 | Kimitsu Ultra Marathon (JPN) | 55km | |||
| 5:36:26 h | Araki, Masako | Overall: 54 | F: 7 | Cat W55: 1 | |
| 12.04.2025 | Toda Saiko 70 km (JPN) | 71km | |||
| 6:57:08 h | Araki, Masako | *Tokyo | Overall: 61 | F: 11 | Cat W55: 3 |
| 2024 | 3 Events, 241 km (More) | ||||
| 20.10.2024 | Ultramarathon Okumusashi (JPN) | 70km | |||
| 7:49:59 h | Araki, Masako | *Tokyo | Overall: 146 | F: 19 | Cat W55: 1 |
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:21:04 h | Araki, Masako | Overall: 674 | F: 82 | Cat W55: 9 | |
| 13.04.2024 | Toda Saiko 70 km (JPN) | 71km | |||
| 7:37:35 h | Araki, Masako | *Tokyo | Overall: 68 | F: 16 | Cat W55: 4 |
| 2023 | 3 Events, 271 km (More) | ||||
| 01.10.2023 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 12:39:34 h | Araki, Masako | *Tokyo | Overall: 25 | F: 5 | Cat W50: 1 |
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:39:03 h | Araki, Masako | Overall: 829 | F: 91 | Cat W50: 14 | |
| 08.04.2023 | Toda Saiko 70 km (JPN) | 71km | |||
| 7:14:03 h | Araki, Masako | *Tokyo | Overall: 64 | F: 8 | Cat W50: 1 |
| 2022 | 4 Events, 309 km (More) | ||||
| 02.10.2022 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 12:33:04 h | Araki, Masako | *Tokyo | Overall: 13 | F: 2 | Cat W50: 1 |
| 05.06.2022 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 8:40:54 h | Araki, Masako | *Tokyo | Overall: 252 | F: 45 | Cat W50: 7 |
| 15.05.2022 | Ishigaki Island Ultra Marathon (JPN) | 60km | |||
| 6:58:44 h | Araki, Masako | Overall: 55 | F: 11 | Cat W50: 3 | |
| 09.04.2022 | Toda Saiko 70 km (JPN) | 71km | |||
| 7:24:20 h | Araki, Masako | *Tokyo | Overall: 41 | F: 8 | Cat W50: 1 |
| 2021 | 3 Events, 233.7 km (More) | ||||
| 03.10.2021 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 13:16:59 h | Araki, Masako | *Tokyo | Overall: 67 | F: 15 | Cat W50: 2 |
| 04.07.2021 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 63.700 km | Araki, Masako | *Tokyo | Overall: 171 | F: 35 | Cat W50: 6 |
| 10.04.2021 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:03:40 h | Araki, Masako | *Tokyo | Overall: 301 | F: 51 | Cat W50: 7 |
| 2020 | 2 Events, 163.7 km (More) | ||||
| 04.10.2020 | Naeba-Sanroku Geopark Tsunan Ultramarathon 100K (JPN) | 100km | |||
| 13:34:07 h | Araki, Masako | *Tokyo Pref. | Overall: 74 | F: 11 | Cat W50: 2 |
| 22.08.2020 | Toda Aya Lake Ultra Marathon (JPN) | 63.7km | |||
| 8:40:02 h | Araki, Masako | *Tokyo To | Overall: 80 | F: 19 | Cat W50: 2 |
| 2019 | 3 Events, 248 km (More) | ||||
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:10:38 h | Araki, Masako | Overall: 842 | F: 94 | Cat W50: 16 | |
| 02.06.2019 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 9:14:07 h | Araki, Masako | *Tokyo Pref. | Overall: 580 | F: 86 | Cat W50: 16 |
| 13.04.2019 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:20:01 h | Araki, Masako | *Tokyo Pref. | Overall: 187 | F: 20 | Cat W50: 3 |
| 2018 | 2 Events, 170 km (More) | ||||
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:40:18 h | Araki, Masako | Overall: 1162 | F: 144 | Cat W45: 33 | |
| 14.04.2018 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:28:11 h | Araki, Masako | *Tokyo | Overall: 214 | F: 26 | Cat W45: 4 |
| 2017 | 2 Events, 170 km (More) | ||||
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:11:31 h | Araki, Masako | *Tokyo | Overall: 1362 | F: 168 | Cat W45: 36 |
| 08.04.2017 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:19:59 h | Araki, Masako | *Tokyo | Overall: 216 | F: 27 | Cat W45: 3 |
| 2016 | 2 Events, 170 km (More) | ||||
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:21:32 h | Araki, Masako | *Tokyo | Overall: 1077 | F: 126 | Cat W45: 26 |
| 09.04.2016 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:25:41 h | Araki, Masako | *Tokyo | Overall: 144 | F: 16 | Cat W45: 3 |
| 2015 | 2 Events, 170 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:26:43 h | Araki, Masako | *Tokyo | Overall: 1128 | F: 122 | Cat W45: 26 |
| 11.04.2015 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:17:11 h | Araki, Masako | *Tokyo | Overall: 153 | F: 25 | Cat W45: 5 |
| 2014 | 3 Events, 247 km (More) | ||||
| 27.07.2014 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:47:39 h | Araki, Masako | *Tokyo | Overall: 413 | F: 68 | Cat W45: 16 |
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:27:55 h | Araki, Masako | *Tokyo | Overall: 616 | F: 78 | Cat W45: 18 |
| 12.04.2014 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:35:06 h | Araki, Masako | *Tokyo | Overall: 182 | F: 21 | Cat W45: 5 |
| 2013 | 3 Events, 247 km (More) | ||||
| 28.07.2013 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:54:21 h | Araki, Masako | Overall: 718 | F: 137 | Cat W40: 34 | |
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:19:21 h | Araki, Masako | *Tokyo | Overall: 761 | F: 87 | Cat W40: 18 |
| 13.04.2013 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:43:40 h | Araki, Masako | *Tokyo | Overall: 152 | F: 10 | Cat W40: 3 |
| 2012 | 3 Events, 247 km (More) | ||||
| 05.08.2012 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:07:45 h | Araki, Masako | *Tokyo | Overall: 582 | F: 109 | Cat W40: 25 |
| 24.06.2012 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:32:17 h | Araki, Masako | *Tokyo | Overall: 977 | F: 113 | Cat W40: 24 |
| 07.04.2012 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:43:54 h | Araki, Masako | *Tokyo | Overall: 100 | F: 8 | Cat W40: 4 |
| 2011 | 2 Events, 170 km (More) | ||||
| 26.06.2011 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:43:39 h | Araki, Masako | *Tokyo | Overall: 976 | F: 124 | Cat W40: 26 |
| 09.04.2011 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:31:49 h | Araki, Masako | *Tokyo | Overall: 110 | F: 15 | Cat W40: 5 |
| 2010 | 2 Events, 170 km (More) | ||||
| 27.06.2010 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:01:26 h | Araki, Masako | *Tokyo | Overall: 876 | F: 117 | Cat W40: 25 |
| 10.04.2010 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:43:55 h | Araki, Masako | *Tokyo | Overall: 92 | F: 12 | Cat W40: 3 |
| 2009 | 2 Events, 170 km (More) | ||||
| 28.06.2009 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:42:47 h | Araki, Masako | *Tokyo | Overall: 1925 | F: 249 | Cat W40: 35 |
| 11.04.2009 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:29:59 h | Araki, Masako | *Tokyo | Overall: 130 | F: 18 | Cat W40: 5 |
| 2008 | 1 Event, 70 km (More) | ||||
| 12.04.2008 | Toda Saiko 70 km (JPN) | 70km | |||
| 9:18:05 h | Araki, Masako | *Tokyo | Overall: 146 | F: 19 | Cat W35: 5 |
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 | 2009 | 2008 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 10:48:58 |
10:48:58
(387/101) |
11:21:04
(597/147) |
11:39:03
(581/178) |
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11:10:38
(575/158) |
11:40:18
(760/235) |
12:11:31
(767/267) |
11:21:32
(517/195) |
11:26:43
(584/199) |
11:27:55
(506/136) |
11:19:21
(444/133) |
11:32:17
(470/135) |
11:43:39
(508/164) |
12:01:26
(537/151) |
12:42:47
(764/322) |
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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 | 2009 | 2008 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Toda Saiko 70 km | 17 | 6:57:08 | 7:37:35 | 7:14:03 | 7:24:20 | 8:03:40 | 7:20:01 | 7:28:11 | 7:19:59 | 7:25:41 | 7:17:11 | 7:35:06 | 7:43:40 | 7:43:54 | 7:31:49 | 7:43:55 | 8:29:59 | 9:18:05 | |
| Lake Saroma 100 Km Ultramarathon | 14 | 10:48:58 | 11:21:04 | 11:39:03 | 11:10:38 | 11:40:18 | 12:11:31 | 11:21:32 | 11:26:43 | 11:27:55 | 11:19:21 | 11:32:17 | 11:43:39 | 12:01:26 | 12:42:47 | ||||
| Ultramarathon Okumusashi | 7 | 7:31:47 | 7:49:59 | 8:40:54 | 9:14:07 | 9:47:39 | 9:54:21 | 10:07:45 | |||||||||||
| Naeba-Sanroku Geopark Tsunan Ultramarathon 100K | 4 | 12:39:34 | 12:33:04 | 13:16:59 | 13:34:07 |