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| Name: | Iwata, Sachiko | 岩田幸子 |
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| Club: | ユーレストジャパン | ||
| Residence: | Ome City, Tokyo Pref. | ||
| Year of birth: | 1968 | (Cat. german: W55) | |
| Date of birth: | 05.05.1968 | (Cat. internat.: W55) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 169721 | ||
52 search results (35 Events, 7690.873 km). (More)
| 2025 | 2 Events, 643.584 km (More) | ||||
|---|---|---|---|---|---|
| 23.-29.05.2025 | Hirosaki 6days Ultra Run (JPN) | 6d | |||
| 498.080 km | Iwata, Sachiko | 岩田道場 | Overall: 30 | F: 9 | Cat W55: 1 |
| 21.-23.02.2025 | Taipei 48hr Ultra Marathon (TPE) | 48h | |||
| 145.504 km | Iwata, Sachiko | Overall: 61 | F: 22 | Cat W55: 6 | |
| 21.-22.02.2025 | Taipei 48hr Ultra Marathon - 24h Split (TPE) | 24h | |||
| 105.640 km | Iwata, Sachiko | Overall: 58 | F: 21 | Cat W55: 5 | |
| 21.-22.02.2025 | Taipei 48hr Ultra Marathon - 12h Split (TPE) | 12h | |||
| 58.467 km | Iwata, Sachiko | Overall: 59 | F: 21 | Cat W55: 5 | |
| 2024 | 2 Events, 739.917 km (More) | ||||
| 20.-26.05.2024 | Hirosaki 6days Ultra Run (JPN) | 6d | |||
| 522.560 km | Iwata, Sachiko | 岩田道場 | Overall: 19 | F: 4 | Cat W55: 1 |
| 23.-25.02.2024 | Taipei 48hr Ultra Marathon - 100km Split (TPE) | 100km | |||
| 19:15:03 h | Iwata, Sachiko | Overall: 55 | F: 20 | Cat W55: 4 | |
| 23.-25.02.2024 | Taipei 48hr Ultra Marathon - 100mi Split (TPE) | 100mi | |||
| 33:48:08 h | Iwata, Sachiko | Overall: 51 | F: 20 | Cat W55: 4 | |
| 23.-25.02.2024 | Taipei 48hr Ultra Marathon - 50mi Split (TPE) | 50mi | |||
| 15:30:34 h | Iwata, Sachiko | Overall: 55 | F: 20 | Cat W55: 4 | |
| 23.-25.02.2024 | Taipei 48hr Ultra Marathon - 24h Split (TPE) | 24h | |||
| 122.499 km | Iwata, Sachiko | Overall: 54 | F: 20 | Cat W55: 4 | |
| 23.-25.02.2024 | Taipei 48hr Ultra Marathon (TPE) | 48h | |||
| 217.357 km | Iwata, Sachiko | Overall: 45 | F: 17 | Cat W55: 4 | |
| 23.-24.02.2024 | Taipei 48hr Ultra Marathon - 50km Split (TPE) | 50km | |||
| 8:25:47 h | Iwata, Sachiko | Overall: 58 | F: 20 | Cat W55: 4 | |
| 23.-24.02.2024 | Taipei 48hr Ultra Marathon - 12h Split (TPE) | 12h | |||
| 66.589 km | Iwata, Sachiko | Overall: 56 | F: 20 | Cat W55: 4 | |
| 2023 | 2 Events, 428.216 km (More) | ||||
| 26.-28.05.2023 | Hirosaki 48h Ultra Run (JPN) | 48h | |||
| 217.769 km | Iwata, Sachiko | 岩田道場 | Overall: 25 | F: 3 | Cat W55: 1 |
| 11.-13.02.2023 | Taipei 48hr Ultra Marathon - 12h Split (TPE) | 12h | |||
| 67.217 km | Iwata, Sachiko | Overall: 58 | F: 16 | Cat W50: 2 | |
| 10.-12.02.2023 | Taipei 48hr Ultra Marathon (TPE) | 48h | |||
| 210.447 km | Iwata, Sachiko | Overall: 52 | F: 14 | Cat W50: 2 | |
| 11.-12.02.2023 | Taipei 48hr Ultra Marathon - 100mi Split (TPE) | 100mi | |||
| 34:17:22 h | Iwata, Sachiko | Overall: 51 | F: 15 | Cat W50: 2 | |
| 11.-12.02.2023 | Taipei 48hr Ultra Marathon - 24h Split (TPE) | 24h | |||
| 119.986 km | Iwata, Sachiko | Overall: 59 | F: 17 | Cat W50: 2 | |
| 2022 | 1 Event, 197.542 km (More) | ||||
| 21.-23.05.2022 | Hirosaki 48h Ultra Run (JPN) | 48h | |||
| 197.542 km | Iwata, Sachiko | 岩田道場 | Overall: 17 | F: 4 | Cat W50: 1 |
| 2020 | 1 Event, 237.354 km (More) | ||||
| 07.-09.02.2020 | Taipei 48hr Ultra Marathon - 50km Split (TPE) | 50km | |||
| 7:55:18 h | Iwata, Sachiko | Overall: 35 | F: 9 | Cat W50: 3 | |
| 07.-09.02.2020 | Taipei 48hr Ultra Marathon - 50mi Split (TPE) | 50mi | |||
| 13:45:28 h | Iwata, Sachiko | Overall: 33 | F: 8 | Cat W50: 3 | |
| 07.-09.02.2020 | Taipei 48hr Ultra Marathon (TPE) | 48h | |||
| 237.354 km | Iwata, Sachiko | Overall: 23 | F: 8 | Cat W50: 3 | |
| 07.-09.02.2020 | Taipei 48hr Ultra Marathon - 100km Split (TPE) | 100km | |||
| 17:29:34 h | Iwata, Sachiko | Overall: 30 | F: 8 | Cat W50: 3 | |
| 07.-09.02.2020 | Taipei 48hr Ultra Marathon - 100mi Split (TPE) | 100mi | |||
| 30:25:48 h | Iwata, Sachiko | Overall: 28 | F: 8 | Cat W50: 3 | |
| 07.-08.02.2020 | Taipei 48hr Ultra Marathon - 24h Split (TPE) | 24h | |||
| 131.274 km | Iwata, Sachiko | Overall: 29 | F: 8 | Cat W50: 3 | |
| 07.-08.02.2020 | Taipei 48hr Ultra Marathon - 12h Split (TPE) | 12h | |||
| 72.930 km | Iwata, Sachiko | Overall: 34 | F: 9 | Cat W50: 3 | |
| 2019 | 2 Events, 656.5 km (More) | ||||
| 01.-02.06.2019 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 142.500 km | Iwata, Sachiko | Overall: 28 | F: 6 | Cat W50: 1 | |
| 30.04.-05.05.2019 | River Road Foot Race 514 Km (JPN) | 514km | |||
| 5d 10:10:29 h | Iwata, Sachiko | Overall: 75 | F: 9 | Cat W50: 3 | |
| 2018 | 4 Events, 928.359 km (More) | ||||
| 10.-11.11.2018 | Jingu Gaien 24 Hour Challenge (JPN) | 24h | |||
| 139.709 km | Iwata, Sachiko | Overall: 105 | F: 24 | Cat W50: 2 | |
| 29.-30.09.2018 | Coedo Kawagoe Running Fest 24-hours run (JPN) | 24h | |||
| 130.900 km | Iwata, Sachiko | Overall: 13 | F: 2 | Cat W50: 1 | |
| 02.-03.06.2018 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 143.750 km | Iwata, Sachiko | Overall: 27 | F: 7 | Cat W50: 1 | |
| 30.04.-05.05.2018 | River Road Foot Race 514 Km (JPN) | 514km | |||
| 5d 11:54:12 h | Iwata, Sachiko | Overall: 91 | F: 15 | Cat W45: 3 | |
| 2017 | 3 Events, 726.055 km (More) | ||||
| 02.07.2017 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 51.936 km | Iwata, Sachiko | *Tokyo To | Overall: 69 | F: 13 | Cat W45: 4 |
| 10.-11.06.2017 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 154.119 km | Iwata, Sachiko | Overall: 21 | F: 7 | Cat W45: 2 | |
| 30.04.-05.05.2017 | River Road Foot Race 520 Km (JPN) | 520km | |||
| 5d 10:35:46 h | Iwata, Sachiko | Overall: 74 | F: 6 | Cat W45: 1 | |
| 2016 | 3 Events, 772.637 km (More) | ||||
| 18.-19.06.2016 | Green Charity Marathon Tokyo - Hard Run 24H (JPN) | 24h | |||
| 161.637 km | Iwata, Sachiko | Overall: 15 | F: 4 | Cat W45: 2 | |
| 30.04.-05.05.2016 | River Road Foot Race 520 Km (JPN) | 520km | |||
| 5d 10:33:53 h | Iwata, Sachiko | Overall: 73 | F: 10 | Cat W45: 2 | |
| 05.03.2016 | Little Edo 91km (JPN) | 91km | |||
| 13:40:53 h | Iwata, Sachiko | ユーレストジャパン | Overall: 65 | F: 15 | Cat W45: 3 |
| 2015 | 2 Events, 632 km (More) | ||||
| 30.04.-05.05.2015 | River Road Foot Race 520 Km (JPN) | 520km | |||
| 5d 09:40:46 h | Iwata, Sachiko | Overall: 43 | F: 2 | Cat W45: 1 | |
| 28.02.-01.03.2015 | Oedo Night run 112k (JPN) | 112km | |||
| 18:45:44 h | Iwata, Sachiko | *Tokyo | Overall: 101 | F: 21 | Cat W45: 8 |
| 2014 | 2 Events, 581.674 km (More) | ||||
| 06.07.2014 | 8-Hour Endurance Race Tokorozawa - 3 tai (JPN) | 8h | |||
| 61.674 km | Iwata, Sachiko | *Tokyo To | Overall: 45 | F: 6 | Cat W45: 1 |
| 30.04.-05.05.2014 | River Road Foot Race 520 Km (JPN) | 520km | |||
| 5d 06:45:33 h | Iwata, Sachiko | Overall: 29 | F: 4 | Cat W45: 1 | |
| 2013 | 2 Events, 347.5 km (More) | ||||
| 05.-06.10.2013 | Tokorozawa Road to Morning - 12h (JPN) | 12h | |||
| 82.500 km | Iwata, Sachiko | Overall: 8 | F: 3 | Cat W45: 2 | |
| 30.04.-02.05.2013 | River Road Foot Race 265 Km (JPN) | 265km | |||
| 2d 10:51:32 h | Iwata, Sachiko | Overall: 15 | F: 2 | Cat W40: 1 | |
| 2012 | 2 Events, 189.7 km (More) | ||||
| 07.-08.10.2012 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 23:35:35 h | Iwata, Sachiko | Overall: 1967 | F: 231 | Cat W40: 53 | |
| 16.-17.06.2012 | Tokyo Challenge 24 hours (JPN) | 24h | |||
| 118.200 km | Iwata, Sachiko | Overall: 65 | F: 15 | Cat W40: 5 | |
| 2011 | 1 Event, 134.695 km (More) | ||||
| 11.-12.06.2011 | Tokyo Challenge 24 hours (JPN) | 24h | |||
| 134.695 km | Iwata, Sachiko | Overall: 52 | F: 8 | Cat W40: 3 | |
| 2010 | 1 Event, 117.64 km (More) | ||||
| 19.-20.06.2010 | Tokyo Challenge 24 hours (JPN) | 24h | |||
| 117.640 km | Iwata, Sachiko | Overall: 43 | F: 10 | Cat W40: 2 | |
| 2009 | 1 Event, 71.5 km (More) | ||||
| 11.-12.10.2009 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 21:32:20 h | Iwata, Sachiko | ▼岩田道場▲ | Overall: 1543 | F: 143 | Cat W40: 23 |
| 2008 | 1 Event, 71.5 km (More) | ||||
| 12.-13.10.2008 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 21:15:08 h | Iwata, Sachiko | Overall: 1498 | F: 128 | Cat W40: 23 | |
| 2007 | 1 Event, 71.5 km (More) | ||||
| 14.-15.10.2007 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 23:30:01 h | Iwata, Sachiko | Overall: 1513 | F: 166 | Cat W35: 21 | |
| 2006 | 1 Event, 71.5 km (More) | ||||
| 08.-09.10.2006 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 22:21:40 h | Iwata, Sachiko | Team雁子 | Overall: 1346 | F: 132 | Cat W35: 17 |
| 2003 | 1 Event, 71.5 km (More) | ||||
| 25.-26.10.2003 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 23:39:37 h | Iwata, Sachiko | Overall: 1087 | F: 125 | Cat W35: 9 | |
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 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2003 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50km | 7:55:18 |
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8:25:47
(5895/195) |
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7:55:18
(1785/13) |
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| 50mi | 13:45:28 |
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15:30:34
(607/14) |
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13:45:28
(197/11) |
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| 100km | 17:29:34 |
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19:15:03
(2298/625) |
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17:29:34
(394/11) |
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| 100mi | 30:25:48 |
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33:48:08
(322/14) |
34:17:22
(357/13) |
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30:25:48
(167/9) |
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| 12h | 72.930 |
58.467
(1096/49) |
66.589
(930/21) |
67.217
(975/37) |
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72.930
(266/13) |
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| 24h | 139.709 |
105.640
(1108/56) |
122.499
(769/39) |
119.986
(815/31) |
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131.274
(315/12) |
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139.709
(506/30) |
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| 48h | 237.354 |
145.504
(262/15) |
217.357
(76/11) |
210.447
(83/6) |
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237.354
(30/5) |
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| 6d | 522.560 |
498.080
(63/9) |
522.560
(54/5) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2003 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tokyo Challenge 24 hours | 7 | 142.500 | 143.750 | 154.119 | 161.637 | 118.200 | 134.695 | 117.640 | |||||||||||||
| River Road Foot Race 520 Km | 6 | 130:10:29 | 131:54:12 | 130:35:46 | 130:33:53 | 129:40:46 | 126:45:33 | ||||||||||||||
| Hasetsune Cup - Japan Mountain Endurance Race | 6 | 23:35:35 | 21:32:20 | 21:15:08 | 23:30:01 | 22:21:40 | 23:39:37 | ||||||||||||||
| Taipei 48hr Ultra Marathon | 4 | 145.504 | 217.357 | 210.447 | 237.354 | ||||||||||||||||
| Hirosaki 6days Ultra Run | 2 | 498.080 | 522.560 | ||||||||||||||||||
| Hirosaki 48h Ultra Run | 2 | 217.769 | 197.542 | ||||||||||||||||||
| 8-Hour Endurance Race Tokorozawa - 3 tai | 2 | 51.936 | 61.674 |