| Shigeru Furuta's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2024 | JPN, Japan | 54 | Friday, July 12, 2024 | 35:59:21.00 |
| Hardrock 100 2015 | Japan | 45 | Friday, July 10, 2015 | 40:14:59.00 |
| Hardrock 100 2014 | Japan | 44 | Friday, July 11, 2014 | 32:27:51.00 |
| Shigeru Furuta's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Hardrock 100 2024 | JPN, Japan | 54 | Friday, July 12, 2024 | 35:59:21.00 |
| Hardrock 100 2015 | Japan | 45 | Friday, July 10, 2015 | 40:14:59.00 |
| Hardrock 100 2014 | Japan | 44 | Friday, July 11, 2014 | 32:27:51.00 |