| Bob Manthy's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2019 Golden Gate Dirty 30 (12-mile) | 55 | Saturday, June 1, 2019 | 03:35:49.89 | |
| 2018 Silverton Ultra Marathon (55K) | Colorado, US | 55 | Saturday, August 11, 2018 | 08:24:13.00 |
| Bob Manthy's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2019 Golden Gate Dirty 30 (12-mile) | 55 | Saturday, June 1, 2019 | 03:35:49.89 | |
| 2018 Silverton Ultra Marathon (55K) | Colorado, US | 55 | Saturday, August 11, 2018 | 08:24:13.00 |