| Michael Burton's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Silverton Ultra Dirty (60K) | Ohio, US | 58 | Saturday, August 7, 2021 | 14:13:45.00 |
| 2019 Silverton Ultra Marathon (55K) | Ohio, US | 56 | Saturday, August 3, 2019 | 12:23:21.00 |
| Michael Burton's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Silverton Ultra Dirty (60K) | Ohio, US | 58 | Saturday, August 7, 2021 | 14:13:45.00 |
| 2019 Silverton Ultra Marathon (55K) | Ohio, US | 56 | Saturday, August 3, 2019 | 12:23:21.00 |