| Mary Geiger's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Silverton Ultra Dirty (60K) | Colorado, US | 48 | Saturday, August 7, 2021 | 11:23:22.00 |
| Never Summer 100k (2019) | Colorado, US | 46 | Saturday, July 27, 2019 | 23:21:00.00 |
| Mary Geiger's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2021 Silverton Ultra Dirty (60K) | Colorado, US | 48 | Saturday, August 7, 2021 | 11:23:22.00 |
| Never Summer 100k (2019) | Colorado, US | 46 | Saturday, July 27, 2019 | 23:21:00.00 |