| Chelsea Cook's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2018 Silverton Ultra Marathon (55K) | Colorado, US | 36 | Saturday, August 11, 2018 | 08:43:35.00 |
| 2018 Golden Gate Dirty 30 (50K) | 36 | Saturday, June 2, 2018 | 09:27:41.00 |
| Chelsea Cook's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2018 Silverton Ultra Marathon (55K) | Colorado, US | 36 | Saturday, August 11, 2018 | 08:43:35.00 |
| 2018 Golden Gate Dirty 30 (50K) | 36 | Saturday, June 2, 2018 | 09:27:41.00 |