| Cecelia Collins's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | 56 | Saturday, October 16, 2021 | 07:07:29.00 |
| Never Summer (2021) (60k) | Colorado, US | 56 | Friday, July 30, 2021 | 13:59:16.00 |
| Cecelia Collins's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | 56 | Saturday, October 16, 2021 | 07:07:29.00 |
| Never Summer (2021) (60k) | Colorado, US | 56 | Friday, July 30, 2021 | 13:59:16.00 |