| Name: | Seki, Shinobu | 関忍 |
|
| Club: | ぷっ | ||
| Residence: | Hokkaido Pref. | ||
| Year of birth: | 1964 | (Cat. german: M60) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M60) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 460210 | ||
22 search results (22 Events, 1832.2 km). (More)
| 2025 | 1 Event, 53.7 km (More) | ||||
|---|---|---|---|---|---|
| 01.06.2025 | Rishiri Island Ultra Marathon (JPN) | 53.7km | |||
| 7:23:47 h | Seki, Shinobu | ぷっ | Overall: 217 | M: 158 | Cat M60: 16 |
| 2024 | 1 Event, 53.7 km (More) | ||||
| 02.06.2024 | Rishiri Island Ultra Marathon (JPN) | 53.7km | |||
| 8:01:36 h | Seki, Shinobu | ぷっ | Overall: 245 | M: 169 | Cat M55: 17 |
| 2023 | 3 Events, 253.7 km (More) | ||||
| 17.12.2023 | Okinawa 100km Ultramarathon (JPN) | 100km | |||
| 13:44:45 h | Seki, Shinobu | Overall: 488 | M: 412 | Cat M55: 47 | |
| 15.10.2023 | River Shimanto 100km (JPN) | 100km | |||
| 13:21:18 h | Seki, Shinobu | Overall: 769 | M: 649 | Cat M55: 82 | |
| 04.06.2023 | Rishiri Island Ultra Marathon (JPN) | 53.7km | |||
| 7:22:55 h | Seki, Shinobu | ぷっ | Overall: 180 | M: 140 | Cat M55: 21 |
| 2022 | 2 Events, 153.7 km (More) | ||||
| 05.06.2022 | Rishiri Island Ultra Marathon (JPN) | 53.7km | |||
| 7:29:18 h | Seki, Shinobu | Overall: 92 | M: 70 | Cat M55: 11 | |
| 22.05.2022 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:58:03 h | Seki, Shinobu | Overall: 568 | M: 514 | Cat M55: 74 | |
| 2019 | 1 Event, 53.7 km (More) | ||||
| 02.06.2019 | Rishiri Island Ultra Marathon (JPN) | 53.7km | |||
| 7:43:35 h | Seki, Shinobu | ぷっ | Overall: 325 | M: 239 | Cat M50: 27 |
| 2018 | 3 Events, 253.7 km (More) | ||||
| 22.07.2018 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 13:17:18 h | Seki, Shinobu | ぷっ | Overall: 200 | M: 182 | Cat M50: 25 |
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:37:40 h | Seki, Shinobu | Overall: 1897 | M: 1619 | Cat M50: 328 | |
| 03.06.2018 | Rishiri Island Ultra Marathon (JPN) | 53.7km | |||
| 7:11:15 h | Seki, Shinobu | ぷっ | Overall: 273 | M: 202 | Cat M50: 16 |
| 2017 | 2 Events, 200 km (More) | ||||
| 23.07.2017 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 13:48:29 h | Seki, Shinobu | ぷっ | Overall: 237 | M: 200 | Cat M50: 31 |
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:37:20 h | Seki, Shinobu | ぷっ | Overall: 1726 | M: 1498 | Cat M50: 289 |
| 2016 | 2 Events, 155 km (More) | ||||
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:59:11 h | Seki, Shinobu | ぷっ | Overall: 2666 | M: 2289 | Cat M50: 425 |
| 05.06.2016 | Rishiri Island Ultra Marathon (JPN) | 55km | |||
| 6:41:18 h | Seki, Shinobu | Overall: 211 | M: 156 | Cat M50: 18 | |
| 2015 | 3 Events, 255 km (More) | ||||
| 26.07.2015 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 13:38:20 h | Seki, Shinobu | ぷっ | Overall: 255 | M: 227 | Cat M50: 34 |
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:58:00 h | Seki, Shinobu | ぷっ | Overall: 2675 | M: 2275 | Cat M50: 398 |
| 07.06.2015 | Rishiri Island Ultra Marathon (JPN) | 55km | |||
| 6:39:08 h | Seki, Shinobu | Overall: 226 | M: 169 | Cat M50: 28 | |
| 2014 | 2 Events, 200 km (More) | ||||
| 27.07.2014 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 12:44:37 h | Seki, Shinobu | ぷっ | Overall: 139 | M: 131 | Cat M45: 21 |
| 29.06.2014 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:53:21 h | Seki, Shinobu | ぷっ | Overall: 1672 | M: 1418 | Cat M45: 277 |
| 2013 | 2 Events, 200 km (More) | ||||
| 11.08.2013 | North Okhotsk 100 Km Marathon (JPN) | 100km | |||
| 13:09:57 h | Seki, Shinobu | ぷっ | Overall: 227 | M: 202 | Cat M45: 25 |
| 30.06.2013 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:36:45 h | Seki, Shinobu | ぷっ | Overall: 1635 | M: 1413 | Cat M45: 269 |
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 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 12:36:45 |
|
|
13:21:18
(5773/3179) |
13:58:03
(5418/1386) |
|
12:37:40
(6286/3113) |
12:37:20
(6086/2795) |
12:59:11
(7660/4310) |
12:58:00
(8144/4308) |
12:53:21
(6864/2831) |
12:36:45
(6157/2406) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rishiri Island Ultra Marathon | 8 | 7:23:47 | 8:01:36 | 7:22:55 | 7:29:18 | 7:43:35 | 7:11:15 | 6:41:18 | 6:39:08 | |||
| Lake Saroma 100 Km Ultramarathon | 6 | 12:37:40 | 12:37:20 | 12:59:11 | 12:58:00 | 12:53:21 | 12:36:45 | |||||
| North Okhotsk 100 Km Marathon | 5 | 13:17:18 | 13:48:29 | 13:38:20 | 12:44:37 | 13:09:57 |





