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| Name: | Koiwa, Jun | 小岩淳 |
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| Club: | さいたま市 | ||
| Residence: | Saitama Pref. | ||
| Year of birth: | 1968 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 224331 | ||
14 search results (14 Events, 1047.674 km). (More)
| 2023 | 1 Event, 71 km (More) | ||||
|---|---|---|---|---|---|
| 08.04.2023 | Toda Saiko 70 km (JPN) | 71km | |||
| 7:11:11 h | Koiwa, Jun | LRC | Overall: 61 | M: 54 | Cat M50: 11 |
| 2022 | 1 Event, 78 km (More) | ||||
| 05.06.2022 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 8:49:58 h | Koiwa, Jun | LRC | Overall: 288 | M: 237 | Cat M50: 32 |
| 2019 | 1 Event, 78 km (More) | ||||
| 02.06.2019 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 8:57:43 h | Koiwa, Jun | LRC | Overall: 503 | M: 432 | Cat M50: 67 |
| 2018 | 1 Event, 78 km (More) | ||||
| 03.06.2018 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 8:49:12 h | Koiwa, Jun | *Saitama Pref. | Overall: 312 | M: 275 | Cat M45: 57 |
| 2017 | 1 Event, 78 km (More) | ||||
| 04.06.2017 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 9:01:21 h | Koiwa, Jun | *Saitama Pref. | Overall: 472 | M: 403 | Cat M45: 78 |
| 2016 | 2 Events, 148 km (More) | ||||
| 05.06.2016 | Ultramarathon Okumusashi (JPN) | 78km | |||
| 8:48:54 h | Koiwa, Jun | *Saitama Pref. | Overall: 455 | M: 404 | Cat M45: 71 |
| 09.04.2016 | Toda Saiko 70 km (JPN) | 70km | |||
| 6:54:28 h | Koiwa, Jun | さいたま市 | Overall: 78 | M: 67 | Cat M45: 16 |
| 2015 | 1 Event, 77 km (More) | ||||
| 22.06.2015 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:05:02 h | Koiwa, Jun | さいたま市 | Overall: 541 | M: 476 | Cat M45: 89 |
| 2014 | 1 Event, 77 km (More) | ||||
| 27.07.2014 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:36:48 h | Koiwa, Jun | *Saitama Pref. | Overall: 364 | M: 310 | Cat M45: 70 |
| 2013 | 1 Event, 77 km (More) | ||||
| 28.07.2013 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 8:31:33 h | Koiwa, Jun | Overall: 310 | M: 264 | Cat M40: 52 | |
| 2012 | 2 Events, 147 km (More) | ||||
| 05.08.2012 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 10:43:18 h | Koiwa, Jun | *Saitama Pref. | Overall: 757 | M: 608 | Cat M40: 96 |
| 07.04.2012 | Toda Saiko 70 km (JPN) | 70km | |||
| 6:55:29 h | Koiwa, Jun | *Saitama Pref. | Overall: 44 | M: 42 | Cat M40: 9 |
| 2011 | 2 Events, 138.674 km (More) | ||||
| 07.08.2011 | Ultramarathon Okumusashi (JPN) | 77km | |||
| 9:31:09 h | Koiwa, Jun | Overall: 485 | M: 387 | Cat M40: 68 | |
| 10.07.2011 | 8-Hour Endurance Race Tokorozawa (JPN) | 8h | |||
| 61.674 km | Koiwa, Jun | *Saitama Pref. | Overall: 47 | M: 32 | Cat M40: 6 |
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 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
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Comparison table
Comparison of performances in races with multiple participations
| 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ultramarathon Okumusashi | 10 | 8:49:58 | 8:57:43 | 8:49:12 | 9:01:21 | 8:48:54 | 9:05:02 | 9:36:48 | 8:31:33 | 10:43:18 | 9:31:09 | |
| Toda Saiko 70 km | 3 | 7:11:11 | 6:54:28 | 6:55:29 |