| Name: | Yamaoka, Rieko | 山岡利恵子 |
|
| Club: | 千代田走友会 | ||
| Residence: | Chiba Pref. | ||
| Year of birth: | 1972 | (Cat. german: W50) | |
| Date of birth: | 00.00.0000 | (Cat. internat.: W50) | |
| Nationality: | JPN ![]() |
Japan | |
| RunnerID: | 1383567 | ||
19 search results (19 Events, 1549.1 km). (More)
| 2025 | 2 Events, 180 km (More) | ||||
|---|---|---|---|---|---|
| 28.-29.12.2025 | Kyoto Great Round 80 km (JPN) | 80km | |||
| 17:09:28 h | Yamaoka, Rieko | Overall: 51 | F: 7 | Cat W50: 3 | |
| 23.-24.08.2025 | Summer Karuizawa and Joshu Nakasendo Ultra Walking (JPN) | 100km | |||
| 19:31:37 h | Yamaoka, Rieko | Overall: 13 | F: 4 | Cat W50: 1 | |
| 2024 | 5 Events, 513.4 km (More) | ||||
| 06.10.2024 | Trainic world Ogose-Tokigawa Trail Run 50km (JPN) | 51.4km | |||
| 7:52:03 h | Yamaoka, Rieko | *Chiba Pref. | Overall: 40 | F: 5 | Cat W50: 2 |
| 08.09.2024 | World Geopark Trail Run in Sanin Kaigan (JPN) | 60km | |||
| 8:42:55 h | Yamaoka, Rieko | Overall: 15 | F: 1 | Cat W50: 1 | |
| 25.08.2024 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 75km | |||
| 10:20:01 h | Yamaoka, Rieko | Overall: 24 | F: 4 | Cat W50: 1 | |
| 26.-27.04.2024 | Ultra-Trail Mt. Fuji (UTMF) (JPN) | 167km | |||
| 41:02:50 h | Yamaoka, Rieko | 千代田走友会 | Overall: 833 | F: 85 | Cat W50: 23 |
| 06.-07.04.2024 | Yagurazawa Round Trip Pre-Tournament (JPN) | 160km | |||
| 25:11:53 h | Yamaoka, Rieko | *Chiba Pref. | Overall: 29 | F: 3 | Cat W50: 2 |
| 2023 | 6 Events, 527.7 km (More) | ||||
| 17.12.2023 | Coast to Coast Boso hanto (JPN) | 72km | |||
| 10:04:23 h | Yamaoka, Rieko | Overall: 157 | F: 22 | Cat W50: 4 | |
| 10.12.2023 | Izu Trail Journey (JPN) | 70km | |||
| 11:04:59 h | Yamaoka, Rieko | Overall: 506 | F: 59 | Cat W50: 6 | |
| 08.-09.10.2023 | Hasetsune Cup - Japan Mountain Endurance Race (JPN) | 71.5km | |||
| 15:08:03 h | Yamaoka, Rieko | Overall: 565 | F: 47 | Cat W50: 9 | |
| 17.-18.06.2023 | Okumusashi Long Trail Race 105K (JPN) | 105km | |||
| 31:53:42 h | Yamaoka, Rieko | *Chiba Pref. | Overall: 130 | F: 11 | Cat W50: 4 |
| 20.-21.05.2023 | Trainic World 100 Km in Sai-No-Kuni (JPN) | 109.2km | |||
| 26:19:22 h | Yamaoka, Rieko | *Chiba Pref. | Overall: 138 | F: 22 | Cat W50: 7 |
| 12.03.2023 | Ibaraki 100k Ultra Marathon (JPN) | 100km | |||
| 11:29:13 h | Yamaoka, Rieko | Overall: 94 | F: 5 | Cat W50: 2 | |
| 2022 | 3 Events, 170 km (More) | ||||
| 02.10.2022 | Trainic world Soto-Chichibu Trail Run 45km (JPN) | 45km | |||
| 6:52:01 h | Yamaoka, Rieko | 千代田走友会 | Overall: 29 | F: 1 | Cat W45: 1 |
| 28.08.2022 | Tsukuba Renjyo 70 Km Road & Trail Run (JPN) | 75km | |||
| 11:10:28 h | Yamaoka, Rieko | Overall: 72 | F: 8 | Cat W45: 4 | |
| 29.04.2022 | Ishioka Trail Run (JPN) | 50km | |||
| 6:22:46 h | Yamaoka, Rieko | Overall: 57 | F: 6 | Cat W45: 1 | |
| 2021 | 2 Events, 113 km (More) | ||||
| 14.11.2021 | Minuma Challenge 60 (JPN) | 63km | |||
| 6:24:49 h | Yamaoka, Rieko | Overall: 11 | F: 2 | Cat W45: 2 | |
| 25.04.2021 | Ishioka Trail Run (JPN) | 50km | |||
| 5:48:42 h | Yamaoka, Rieko | Overall: 74 | F: 3 | Cat W45: 2 | |
| 2019 | 1 Event, 45 km (More) | ||||
| 29.09.2019 | Trainic world Soto-Chichibu Trail Run 45km (JPN) | 45km | |||
| 7:06:40 h | Yamaoka, Rieko | Overall: 55 | F: 3 | Cat W45: 2 | |
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 |
|---|
Comparison table
Comparison of performances in races with multiple participations
| 2025 | 2024 | 2023 | 2022 | 2021 | 2019 | ||
|---|---|---|---|---|---|---|---|
| Trainic world Soto-Chichibu Trail Run 45km | 2 | 6:52:01 | 7:06:40 | ||||
| Tsukuba Renjyo 70 Km Road & Trail Run | 2 | 10:20:01 | 11:10:28 | ||||
| Ishioka Trail Run | 2 | 6:22:46 | 5:48:42 |




