| Name: | Kawaguchi, Naohiro | 川口直広 |
|
| Club: | Mkn38 | ||
| Residence: | Kanagawa Pref. | ||
| Year of birth: | 1968 | (Cat. german: M55) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M55) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 660600 | ||
6 search results (6 Events, 570 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:31:56 h | Kawaguchi, Naohiro | Overall: 785 | M: 692 | Cat M55: 83 | |
| 2024 | 1 Event, 100 km (More) | ||||
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:23:34 h | Kawaguchi, Naohiro | Overall: 1179 | M: 1015 | Cat M55: 125 | |
| 2023 | 1 Event, 100 km (More) | ||||
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:06:05 h | Kawaguchi, Naohiro | Overall: 1075 | M: 945 | Cat M50: 174 | |
| 2019 | 1 Event, 100 km (More) | ||||
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 12:24:26 h | Kawaguchi, Naohiro | Overall: 1628 | M: 1410 | Cat M50: 288 | |
| 2017 | 1 Event, 100 km (More) | ||||
| 25.06.2017 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:40:05 h | Kawaguchi, Naohiro | Mkn38 | Overall: 545 | M: 498 | Cat M45: 117 |
| 2015 | 1 Event, 70 km (More) | ||||
| 29.03.2015 | Osaka Yodogawa 70 Km Ultra Marathon (JPN) | 70km | |||
| 6:51:34 h | Kawaguchi, Naohiro | Overall: 33 | M: 32 | Cat M45: 3 | |
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 | 2017 | 2015 | |
|---|---|---|---|---|---|---|---|
| 100km | 10:40:05 |
11:31:56
(3209/1241) |
12:23:34
(4727/1825) |
12:06:05
(3682/1781) |
12:24:26
(5902/2829) |
10:40:05
(2403/967) |
|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2019 | 2017 | 2015 | ||
|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 5 | 11:31:56 | 12:23:34 | 12:06:05 | 12:24:26 | 10:40:05 |





