| Name: | Tokunaga, Koichi | 徳永純一 |
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| Club: | アーネスト | ||
| Residence: | Saitama Pref. | ||
| Year of birth: | 1978 | (Cat. german: M45) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: M45) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 974545 | ||
11 search results (11 Events, 902 km). (More)
| 2025 | 1 Event, 71 km (More) | ||||
|---|---|---|---|---|---|
| 12.04.2025 | Toda Saiko 70 km (JPN) | 71km | |||
| 8:51:44 h | Tokunaga, Koichi | *Saitama Pref. | Overall: 208 | M: 164 | Cat M45: 21 |
| 2024 | 1 Event, 71 km (More) | ||||
| 13.04.2024 | Toda Saiko 70 km (JPN) | 71km | |||
| 7:58:44 h | Tokunaga, Koichi | アーネスト | Overall: 100 | M: 74 | Cat M45: 15 |
| 2023 | 2 Events, 200 km (More) | ||||
| 23.04.2023 | Tokyo Edogawa Ultra Marathon - 100 km (JPN) | 100km | |||
| 13:38:41 h | Tokunaga, Koichi | Overall: 21 | M: 17 | Cat M40: 2 | |
| 15.01.2023 | Tokyo Edogawa Ultra Marathon - 100 km (JPN) | 100km | |||
| 14:12:13 h | Tokunaga, Koichi | Overall: 60 | M: 54 | Cat M40: 8 | |
| 2022 | 1 Event, 100 km (More) | ||||
| 03.04.2022 | Tokyo Edogawa Ultra Marathon - 100 km (JPN) | 100km | |||
| 13:33:19 h | Tokunaga, Koichi | Overall: 10 | M: 7 | Cat M40: 2 | |
| 2021 | 2 Events, 160 km (More) | ||||
| 05.12.2021 | Tokyo Edogawa Ultra Marathon - 100 km (JPN) | 100km | |||
| 12:57:23 h | Tokunaga, Koichi | Overall: 77 | M: 71 | Cat M40: 10 | |
| 09.10.2021 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 6:45:08 h | Tokunaga, Koichi | Overall: 51 | M: 40 | Cat M40: 13 | |
| 2019 | 1 Event, 70 km (More) | ||||
| 13.04.2019 | Toda Saiko 70 km (JPN) | 70km | |||
| 7:38:42 h | Tokunaga, Koichi | アーネスト | Overall: 233 | M: 206 | Cat M40: 37 |
| 2018 | 2 Events, 170 km (More) | ||||
| 03.06.2018 | Tokyo Shibamata 100 km (JPN) | 100km | |||
| 13:57:46 h | Tokunaga, Koichi | Overall: 1054 | M: 949 | Cat M35: 98 | |
| 14.04.2018 | Toda Saiko 70 km (JPN) | 70km | |||
| 8:05:18 h | Tokunaga, Koichi | アーネスト | Overall: 373 | M: 314 | Cat M35: 29 |
| 2017 | 1 Event, 60 km (More) | ||||
| 04.06.2017 | Tokyo Shibamata 60 km (JPN) | 60km | |||
| 6:54:27 h | Tokunaga, Koichi | Overall: 273 | M: 240 | Cat M35: 26 | |
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 | 2021 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|
| 100km | 13:57:46 |
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13:57:46
(9389/5099) |
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Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2019 | 2018 | 2017 | ||
|---|---|---|---|---|---|---|---|---|---|
| Toda Saiko 70 km | 4 | 8:51:44 | 7:58:44 | 7:38:42 | 8:05:18 | ||||
| Tokyo Edogawa Ultra Marathon - 100 km | 3 | 14:12:13 | 13:33:19 | 12:57:23 | |||||
| Tokyo Shibamata 60 km | 2 | 6:45:08 | 6:54:27 |





