| Jiro Ishiduka's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 High Lonesome 100 | Kanagawa, Japan | 44 | Friday, July 21, 2023 | 36:49:10.00 |
| Hardrock 100 2022 | JPN, Japan | 43 | Friday, July 15, 2022 | 43:06:47.00 |
| Jiro Ishiduka's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 High Lonesome 100 | Kanagawa, Japan | 44 | Friday, July 21, 2023 | 36:49:10.00 |
| Hardrock 100 2022 | JPN, Japan | 43 | Friday, July 15, 2022 | 43:06:47.00 |