| Name: | Naito, Eriko | 内藤映里子 |
|
| Club: | アルケミー | ||
| Residence: | Nishitokyo | ||
| Year of birth: | 1972 | (Cat. german: W50) | |
| Date of birth: | 07.12.1972 | (Cat. internat.: W50) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 838267 | ||
23 search results (23 Events, 2042.834 km). (More)
| 2025 | 1 Event, 100 km (More) | ||||
|---|---|---|---|---|---|
| 29.06.2025 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:19:52 h | Naito, Eriko | Overall: 726 | F: 84 | Cat W50: 15 | |
| 2024 | 3 Events, 276.5 km (More) | ||||
| 13.-14.10.2024 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 14:38:51 h | Naito, Eriko | Overall: 472 | F: 39 | Cat W50: 9 | |
| 30.06.2024 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:43:03 h | Naito, Eriko | Overall: 468 | F: 53 | Cat W50: 10 | |
| 11.05.2024 | Aso Volcano Trail (JPN) | 105km | |||
| 23:32:22 h | Naito, Eriko | *Tokyo | Overall: 231 | F: 33 | Cat W50: 5 |
| 2023 | 2 Events, 200 km (More) | ||||
| 25.06.2023 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 10:08:44 h | Naito, Eriko | Overall: 342 | F: 32 | Cat W50: 6 | |
| 23.04.2023 | Yamadera Zao 100 Km Ultra Marathon (JPN) | 100km | |||
| 11:37:39 h | Naito, Eriko | Overall: 13 | F: 2 | Cat W50: 1 | |
| 2022 | 4 Events, 454.634 km (More) | ||||
| 09.-10.10.2022 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 15:27:47 h | Naito, Eriko | Overall: 430 | F: 44 | Cat W45: 10 | |
| 17.-19.09.2022 | Shinetsu Five Mountains Trail 100 mile (JPN) | 100mi | |||
| 31:54:04 h | Naito, Eriko | *Tokyo | Overall: 143 | F: 15 | Cat W45: 5 |
| 03.09.2022 | Kyoto Grand Traverse (JPN) | 55.2km | |||
| 9:58:02 h | Naito, Eriko | Overall: 46 | F: 3 | Cat W45: 1 | |
| 22.-24.04.2022 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 35:16:23 h | Naito, Eriko | *Tokyo | Overall: 609 | F: 73 | Cat W45: 24 |
| 2021 | 1 Event, 69.1 km (More) | ||||
| 12.12.2021 | Izu Trail Journey (JPN) | 69.1km | |||
| 10:45:22 h | Naito, Eriko | Overall: 514 | F: 58 | Cat W45: 11 | |
| 2020 | 2 Events, 120 km (More) | ||||
| 13.12.2020 | Izu Trail Journey (JPN) | 66km | |||
| 9:22:38 h | Naito, Eriko | Overall: 265 | F: 26 | Cat W45: 5 | |
| 18.10.2020 | Shigakogen Extreme Trail (JPN) | 54km | |||
| 10:08:35 h | Naito, Eriko | *Tokyo | Overall: 189 | F: 19 | Cat W45: 7 |
| 2019 | 3 Events, 271.7 km (More) | ||||
| 08.12.2019 | Izu Trail Journey (JPN) | 71.7km | |||
| 9:55:54 h | Naito, Eriko | Overall: 396 | F: 25 | Cat W45: 7 | |
| 30.06.2019 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:06:17 h | Naito, Eriko | Overall: 821 | F: 93 | Cat W45: 16 | |
| 19.05.2019 | Yatsugatake Nobeyama 100 km (JPN) | 100km | |||
| 12:15:43 h | Naito, Eriko | Overall: 480 | F: 46 | Cat W45: 12 | |
| 2018 | 4 Events, 331.5 km (More) | ||||
| 07.-08.10.2018 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 18:01:54 h | Naito, Eriko | *Nishitokyo | Overall: 734 | F: 83 | Cat W45: 26 |
| 16.-17.09.2018 | Shinetsu Five Mountains Trail 110km (JPN) | 110km | |||
| 20:19:39 h | Naito, Eriko | *Tokyo | Overall: 179 | F: 24 | Cat W45: 4 |
| 24.06.2018 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 9:57:54 h | Naito, Eriko | Overall: 460 | F: 45 | Cat W45: 9 | |
| 02.06.2018 | OSJ Okukuji Trail 50k (JPN) | 50km | |||
| 13:08:08 h | Naito, Eriko | Overall: 206 | F: 18 | Cat W45: 5 | |
| 2017 | 2 Events, 119.4 km (More) | ||||
| 17.12.2017 | Coast to Coast 70k Trail Run (JPN) | 68km | |||
| 9:26:56 h | Naito, Eriko | Overall: 125 | F: 9 | Cat W45: 2 | |
| 10.09.2017 | Hakuba Int. Trail Run (JPN) | 51.4km | |||
| 8:14:14 h | Naito, Eriko | Overall: 416 | F: 50 | Cat W40: 11 | |
| 2016 | 1 Event, 100 km (More) | ||||
| 26.06.2016 | Lake Saroma 100 Km Ultramarathon (JPN) | 100km | |||
| 11:32:58 h | Naito, Eriko | アルケミー | Overall: 1199 | F: 142 | Cat W40: 27 |
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 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 100km | 9:57:54 |
11:19:52
(524/147) |
10:43:03
(441/96) |
10:08:44
(267/64) |
|
|
|
11:06:17
(558/155) |
9:57:54
(286/69) |
|
11:32:58
(575/217) |
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Saroma 100 Km Ultramarathon | 6 | 11:19:52 | 10:43:03 | 10:08:44 | 11:06:17 | 9:57:54 | 11:32:58 | ||||
| Izu Trail Journey | 3 | 10:45:22 | 9:22:38 | 9:55:54 | |||||||
| Hasetsune Cup - Japan Mountain Endurance Race | 3 | 14:38:51 | 15:27:47 | 18:01:54 |





