| Name: | Idekura, Mayumi | 出倉真由美 |
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| Club: | 東尋坊鉄人会 | ||
| Residence: | Fukui Pref. | ||
| Year of birth: | 1951 | (Cat. german: W75) | |
| Date of birth: | 04.06.1951 | (Cat. internat.: W70) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 214400 | ||
35 search results (35 Events, 3084 km). (More)
| 2025 | 1 Event, 62 km (More) | ||||
|---|---|---|---|---|---|
| 31.05.2025 | Tojinbo 62 Km Ultramarathon (JPN) | 62km | |||
| 9:46:50 h | Idekura, Mayumi | Overall: 249 | F: 73 | Cat W70: 3 | |
| 2024 | 1 Event, 62 km (More) | ||||
| 25.05.2024 | Tojinbo 62 Km Ultramarathon (JPN) | 62km | |||
| 9:34:45 h | Idekura, Mayumi | Overall: 201 | F: 54 | Cat W70: 2 | |
| 2023 | 1 Event, 62 km (More) | ||||
| 27.05.2023 | Tojinbo 62 Km Ultramarathon (JPN) | 62km | |||
| 9:19:50 h | Idekura, Mayumi | Overall: 218 | F: 63 | Cat W70: 2 | |
| 2022 | 2 Events, 112 km (More) | ||||
| 09.10.2022 | Echigo Kubikino 60km Ultramarathon (JPN) | 60km | |||
| 8:47:57 h | Idekura, Mayumi | *Fukui Pref. | Overall: 331 | F: 112 | Cat W70: 1 |
| 28.05.2022 | Tojinbo 52 Km Ultramarathon (JPN) | 52km | |||
| 8:07:00 h | Idekura, Mayumi | Overall: 115 | F: 35 | Cat W70: 2 | |
| 2018 | 1 Event, 71 km (More) | ||||
| 22.04.2018 | Fuji 5 Lakes 71 km Challenge (JPN) | 71km | |||
| 9:57:32 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 486 | F: 126 | Cat W65: 2 |
| 2017 | 2 Events, 170 km (More) | ||||
| 11.06.2017 | Iwate Ginga 100km Marathon Challenge (JPN) | 100km | |||
| 13:11:29 h | Idekura, Mayumi | *Fukui Pref. | Overall: 807 | F: 99 | Cat W65: 3 |
| 23.04.2017 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 8:31:07 h | Idekura, Mayumi | *Fukui Pref. | Overall: 82 | F: 26 | Cat W65: 1 |
| 2016 | 4 Events, 330 km (More) | ||||
| 09.10.2016 | Echigo Kubikino 60km Ultramarathon (JPN) | 60km | |||
| 7:14:28 h | Idekura, Mayumi | *Fukui Pref. | Overall: 164 | F: 50 | Cat W65: 1 |
| 18.09.2016 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:38:34 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 996 | F: 109 | Cat W65: 2 |
| 05.06.2016 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:19:35 h | Idekura, Mayumi | Overall: 949 | F: 79 | Cat W65: 1 | |
| 24.04.2016 | 70 km Ultra Maranic Osaka (JPN) | 70km | |||
| 9:04:50 h | Idekura, Mayumi | Overall: 99 | F: 26 | Cat W60: 1 | |
| 2015 | 4 Events, 353 km (More) | ||||
| 13.09.2015 | 50 km Ultramarathon Hakusan-Shirakawago (JPN) | 50km | |||
| 6:08:02 h | Idekura, Mayumi | Overall: 234 | F: 47 | Cat W60: 2 | |
| 06.06.2015 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 12:51:27 h | Idekura, Mayumi | Overall: 794 | F: 54 | Cat W60: 1 | |
| 16.05.2015 | Tojinbo 103 Km Ultramarathon (JPN) | 103km | |||
| 14:23:17 h | Idekura, Mayumi | Overall: 120 | F: 13 | Cat W60: 1 | |
| 26.04.2015 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 13:20:25 h | Idekura, Mayumi | Overall: 240 | F: 35 | Cat W60: 1 | |
| 2014 | 2 Events, 200 km (More) | ||||
| 14.09.2014 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 13:12:10 h | Idekura, Mayumi | *Fukui Pref. | Overall: 847 | F: 84 | Cat W60: 4 |
| 27.04.2014 | 100 km Ultra Maranic Osaka (JPN) | 100km | |||
| 12:09:25 h | Idekura, Mayumi | Overall: 136 | F: 11 | Cat W60: 1 | |
| 2013 | 3 Events, 250 km (More) | ||||
| 29.09.2013 | 100 km Ultramarathon Hakusan-Shirakawago (JPN) | 100km | |||
| 13:28:08 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 341 | F: 33 | Cat W60: 1 |
| 09.06.2013 | Iwate Ginga 50km Marathon Challenge (JPN) | 50km | |||
| 5:28:40 h | Idekura, Mayumi | *Fukui Pref. | Overall: 121 | F: 21 | Cat W60: 1 |
| 21.04.2013 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:36:59 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 569 | F: 66 | Cat W60: 1 |
| 2012 | 3 Events, 300 km (More) | ||||
| 06.10.2012 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 12:19:32 h | Idekura, Mayumi | *Fukui Pref. | Overall: 507 | F: 57 | Cat W60: 1 |
| 15.07.2012 | OSJ Ontake 100km Ultra Trail (JPN) | 100km | |||
| 18:12:53 h | Idekura, Mayumi | *Fukui Pref. | Overall: 668 | F: 59 | Cat W60: 1 |
| 22.04.2012 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 12:42:25 h | Idekura, Mayumi | Overall: 550 | F: 75 | Cat W60: 2 | |
| 2011 | 1 Event, 112 km (More) | ||||
| 30.04.2011 | Fuji 5 Lakes 112 km Challenge (JPN) | 112km | |||
| 14:25:25 h | Idekura, Mayumi | Overall: 387 | F: 43 | Cat W55: 2 | |
| 2010 | 3 Events, 300 km (More) | ||||
| 09.10.2010 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 12:05:23 h | Idekura, Mayumi | *Fukui Pref. | Overall: 438 | F: 50 | Cat W55: 5 |
| 20.06.2010 | Okinoshima 100km Ultra Marathon (JPN) | 100km | |||
| 12:02:51 h | Idekura, Mayumi | *Fukui Pref. | Overall: 76 | F: 7 | Cat W55: 1 |
| 25.04.2010 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 12:18:43 h | Idekura, Mayumi | Overall: 326 | F: 41 | Cat W55: 1 | |
| 2009 | 2 Events, 200 km (More) | ||||
| 27.09.2009 | Akita Nairiku 100km Marathon (JPN) | 100km | |||
| 12:04:58 h | Idekura, Mayumi | *Fukui | Overall: 372 | F: 44 | Cat W55: 8 |
| 26.04.2009 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 12:53:07 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 320 | F: 39 | Cat W55: 2 |
| 2008 | 2 Events, 200 km (More) | ||||
| 14.09.2008 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 12:19:01 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 200 | F: 23 | Cat W55: 1 |
| 22.06.2008 | Nichinan Orochi 100 Km Marathon (JPN) | 100km | |||
| 12:39:15 h | Idekura, Mayumi | *Fukui Pref. | Overall: 172 | F: 15 | Cat W55: 1 |
| 2007 | 2 Events, 200 km (More) | ||||
| 14.10.2007 | River Shimanto 100km (JPN) | 100km | |||
| 11:51:22 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 421 | F: 52 | Cat W55: 5 |
| 16.09.2007 | Tango 100 km Ultramarathon (JPN) | 100km | |||
| 12:35:55 h | Idekura, Mayumi | 東尋坊鉄人会 | Overall: 193 | F: 25 | Cat W55: 1 |
| 2006 | 1 Event, 100 km (More) | ||||
| 09.10.2006 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 11:23:38 h | Idekura, Mayumi | Overall: 206 | F: 27 | Cat W55: 2 | |
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 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 11:51:22 |
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13:19:35
(1299/660) |
12:51:27
(1207/565) |
13:12:10
(1136/473) |
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11:51:22
(367/79) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tojinbo 52 Km Ultramarathon | 4 | 9:46:50 | 9:34:45 | 9:19:50 | 8:07:00 | |||||||||||||
| Tango 100 km Ultramarathon | 4 | 13:38:34 | 13:12:10 | 12:19:01 | 12:35:55 | |||||||||||||
| Fuji 5 Lakes 100 km Challenge | 4 | 13:36:59 | 12:42:25 | 12:18:43 | 12:53:07 | |||||||||||||
| Echigo Kubikino 100km Ultramarathon | 3 | 12:19:32 | 12:05:23 | 11:23:38 | ||||||||||||||
| Echigo Kubikino 60km Ultramarathon | 2 | 8:47:57 | 7:14:28 | |||||||||||||||
| Tokyo Shibamata 100 km | 2 | 13:19:35 | 12:51:27 | |||||||||||||||
| 70 km Ultra Maranic Osaka | 2 | 8:31:07 | 9:04:50 | |||||||||||||||
| 100 km Ultra Maranic Osaka | 2 | 13:20:25 | 12:09:25 |





