| Keiko Yuba's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Suffer’n Bear Ultra 2024 (Half Marathon) | New York, US | 52 | Saturday, September 28, 2024 | 04:01:21.00 |
| Wawayanda Trail Fest 2024 (Half Marathon) | New York, US | 51 | Saturday, April 20, 2024 | 03:50:35.00 |
| Suffer’n Bear Ultra 2023 (Half Marathon) | New York, US | 51 | Sunday, October 1, 2023 | Not yet started |