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| Name: | Seki, Hironobu | 関裕信 |
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| Club: | せき歯科医院 | ||
| Residence: | Katsushika | ||
| Year of birth: | 1963 | (Cat. german: M60) | |
| Date of birth: | 17.09.1963 | (Cat. internat.: M60) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 427119 | ||
33 search results (33 Events, 2665.5 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 21.12.2025 | Okinawa 100km Ultramarathon (JPN) | 100km | |||
| 12:17:12 h | Seki, Hironobu | *Tokyo | Overall: 258 | M: 216 | Cat M60: 12 |
| 2024 | 4 Events, 311.5 km (More) | ||||
| 22.12.2024 | Coast to Coast Boso hanto (JPN) | 70km | |||
| 11:50:36 h | Seki, Hironobu | Overall: 320 | M: 290 | Cat M60: 12 | |
| 13.-14.10.2024 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 19:07:34 h | Seki, Hironobu | せき歯科医院 | Overall: 1055 | M: 945 | Cat M60: 43 |
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:01:42 h | Seki, Hironobu | Overall: 965 | M: 838 | Cat M60: 71 | |
| 26.-27.04.2024 | KAI 70k (JPN) | 70km | |||
| 14:48:42 h | Seki, Hironobu | せき歯科医院 | Overall: 421 | M: 333 | Cat M60: 10 |
| 2023 | 4 Events, 323.5 km (More) | ||||
| 17.12.2023 | Coast to Coast Boso hanto (JPN) | 72km | |||
| 10:59:13 h | Seki, Hironobu | Overall: 235 | M: 207 | Cat M60: 7 | |
| 08.-09.10.2023 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 18:28:02 h | Seki, Hironobu | せき歯科医院 | Overall: 1008 | M: 900 | Cat M60: 31 |
| 23.-24.09.2023 | SkyViewTrail Memorial Cup (JPN) | 80km | |||
| 19:01:04 h | Seki, Hironobu | Overall: 259 | M: 226 | Cat M60: 12 | |
| 21.05.2023 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 12:13:32 h | Seki, Hironobu | Overall: 325 | M: 292 | Cat M55: 23 | |
| 2022 | 4 Events, 403.5 km (More) | ||||
| 09.-10.10.2022 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 18:30:45 h | Seki, Hironobu | せき歯科医院 | Overall: 706 | M: 633 | Cat M55: 55 |
| 17.-18.07.2022 | Nozawa Onsen 4100D Mountain Trail (JPN) | 65km | |||
| 14:21:55 h | Seki, Hironobu | *Tokyo | Overall: 358 | M: 308 | Cat M55: 24 |
| 22.05.2022 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 11:40:25 h | Seki, Hironobu | Overall: 252 | M: 230 | Cat M55: 28 | |
| 22.-24.04.2022 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 40:14:19 h | Seki, Hironobu | せき歯科医院 | Overall: 1130 | M: 988 | Cat M55: 100 |
| 2019 | 2 Events, 165 km (More) | ||||
| 13.-14.07.2019 | Nozawa Onsen 4100D Mountain Trail (JPN) | 65km | |||
| 13:40:55 h | Seki, Hironobu | *Tokyo Pref. | Overall: 266 | M: 232 | Cat M55: 14 |
| 19.05.2019 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 11:59:21 h | Seki, Hironobu | Overall: 572 | M: 533 | Cat M55: 39 | |
| 2018 | 5 Events, 333.5 km (More) | ||||
| 16.12.2018 | Coast to Coast 70k Trail Run (JPN) | 68km | |||
| 12:25:32 h | Seki, Hironobu | Overall: 552 | M: 495 | Cat M55: 24 | |
| 07.-08.10.2018 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 19:33:06 h | Seki, Hironobu | せき歯科医院 | Overall: 1007 | M: 883 | Cat M55: 58 |
| 26.08.2018 | Tsukuba Renjyo 48 Km Road & Trail Run (JPN) | 48km | |||
| 7:34:25 h | Seki, Hironobu | せき歯科医院 | Overall: 116 | M: 100 | Cat M50: 14 |
| 03.06.2018 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 12:12:01 h | Seki, Hironobu | Overall: 427 | M: 394 | Cat M50: 61 | |
| 29.04.2018 | Ishioka Trail Run (JPN) | 46km | |||
| 6:35:59 h | Seki, Hironobu | せき歯科医院 | Overall: 41 | M: 34 | Cat M50: 8 |
| 2017 | 4 Events, 304.5 km (More) | ||||
| 17.12.2017 | Coast to Coast 70k Trail Run (JPN) | 68km | |||
| 10:31:30 h | Seki, Hironobu | Overall: 232 | M: 209 | Cat M50: 24 | |
| 08.-09.10.2017 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 19:06:18 h | Seki, Hironobu | せき歯科医院 | Overall: 1191 | M: 1037 | Cat M50: 149 |
| 15.-16.07.2017 | Nozawa Onsen 4100D Mountain Trail (JPN) | 65km | |||
| 13:35:22 h | Seki, Hironobu | *Tokyo | Overall: 210 | M: 183 | Cat M50: 24 |
| 04.06.2017 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:01:26 h | Seki, Hironobu | Overall: 947 | M: 886 | Cat M50: 107 | |
| 2016 | 4 Events, 264 km (More) | ||||
| 16.-17.07.2016 | Nozawa Onsen 4100D Mountain Trail (JPN) | 65km | |||
| 13:44:03 h | Seki, Hironobu | *Tokyo | Overall: 245 | M: 211 | Cat M50: 39 |
| 19.06.2016 | Echigo Country Trail (JPN) | 50km | |||
| 9:06:02 h | Seki, Hironobu | *Tokyo | Overall: 124 | M: 108 | Cat M50: 10 |
| 05.06.2016 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 11:40:24 h | Seki, Hironobu | Overall: 402 | M: 371 | Cat M50: 66 | |
| 29.04.2016 | Ishioka Trail Run (JPN) | 49km | |||
| 7:08:39 h | Seki, Hironobu | せき歯科医院 | Overall: 135 | M: 127 | Cat M50: 11 |
| 2015 | 2 Events, 160 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:17:00 h | Seki, Hironobu | せき歯科医院 | Overall: 1770 | M: 1546 | Cat M50: 288 |
| 06.06.2015 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 6:37:23 h | Seki, Hironobu | Overall: 242 | M: 206 | Cat M50: 37 | |
| 2014 | 2 Events, 200 km (More) | ||||
| 12.10.2014 | Echigo Kubikino 100km Ultramarathon (JPN) | 100km | |||
| 12:58:27 h | Seki, Hironobu | *Tokyo | Overall: 933 | M: 796 | Cat M50: 101 |
| 20.04.2014 | Fuji 5 Lakes 100 km Challenge (JPN) | 100km | |||
| 13:20:41 h | Seki, Hironobu | せき歯科医院 | Overall: 926 | M: 819 | Cat M50: 113 |
| 2013 | 1 Event, 100 km (More) | ||||
| 01.06.2013 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 12:25:57 h | Seki, Hironobu | *Tokyo | Overall: 583 | M: 536 | Cat M45: 97 |
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 | 11:40:24 |
12:17:12
(4433/1807) |
12:01:42
(4189/1539) |
12:13:32
(3844/1887) |
11:40:25
(2520/455) |
11:59:21
(5079/2363) |
12:12:01
(5284/2489) |
13:01:26
(7191/3486) |
11:40:24
(4347/2105) |
12:17:00
(6142/2946) |
|
12:25:57
(5739/2181) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tokyo Shibamata 100 km | 7 | 12:13:32 | 11:40:25 | 11:59:21 | 12:12:01 | 13:01:26 | 11:40:24 | 12:25:57 | ||||
| Hasetsune Cup - Japan Mountain Endurance Race | 5 | 19:07:34 | 18:28:02 | 18:30:45 | 19:33:06 | 19:06:18 | ||||||
| Nozawa Onsen 4100D Mountain Trail | 4 | 14:21:55 | 13:40:55 | 13:35:22 | 13:44:03 | |||||||
| Coast to Coast Boso hanto | 2 | 11:50:36 | 10:59:13 | |||||||||
| Ishioka Trail Run | 2 | 6:35:59 | 7:08:39 | |||||||||
| Coast to Coast 70k Trail Run | 2 | 12:25:32 | 10:31:30 | |||||||||
| Lake Saroma 100 Km Ultramarathon | 2 | 12:01:42 | 12:17:00 |