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| Name: | Ariga, Keiichi | 有賀圭一 |
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| Club: | 駒沢公園ジョギングクラブ | ||
| Residence: | Tokyo | ||
| Year of birth: | 1969 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN  |
Japan | |
| RunnerID: | 704402 | ||
8 search results (8 Events, 800 km). (More)
| 2025 | 2 Events, 200 km (More) | ||||
|---|---|---|---|---|---|
| 19.10.2025 | River Shimanto 100km (JPN) | 100km | |||
| 11:57:19 h | Ariga, Keiichi | Overall: 376 | M: 322 | Cat M55: 28 | |
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:17:55 h | Ariga, Keiichi | Overall: 1159 | M: 1021 | Cat M55: 122 | |
| 2024 | 1 Event, 100 km (More) | ||||
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:51:29 h | Ariga, Keiichi | Overall: 262 | M: 233 | Cat M50: 43 | |
| 2023 | 1 Event, 100 km (More) | ||||
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:46:14 h | Ariga, Keiichi | Overall: 243 | M: 221 | Cat M50: 38 | |
| 2019 | 1 Event, 100 km (More) | ||||
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:49:43 h | Ariga, Keiichi | Overall: 337 | M: 307 | Cat M45: 66 | |
| 2018 | 1 Event, 100 km (More) | ||||
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:57:43 h | Ariga, Keiichi | Overall: 806 | M: 714 | Cat M45: 160 | |
| 2016 | 1 Event, 100 km (More) | ||||
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:55:39 h | Ariga, Keiichi | 駒沢公園ジョギングクラブ | Overall: 2576 | M: 2212 | Cat M45: 418 |
| 2015 | 1 Event, 100 km (More) | ||||
| 28.06.2015 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:44:45 h | Ariga, Keiichi | 駒沢公園ジョギングクラブ | Overall: 2298 | M: 1968 | Cat M45: 400 |
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 | 2019 | 2018 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|
| 100km | 9:46:14 |
11:57:19
(3985/1598) |
9:51:29
(1389/444) |
9:46:14
(1136/441) |
9:49:43
(1465/567) |
10:57:43
(3032/1299) |
12:55:39
(7486/4186) |
12:44:45
(7383/3769) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2019 | 2018 | 2016 | 2015 | ||
|---|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 7 | 12:17:55 | 9:51:29 | 9:46:14 | 9:49:43 | 10:57:43 | 12:55:39 | 12:44:45 |