| Marla Ofstad's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2017 Golden Gate Dirty 30 (12-mile) | 64 | Saturday, June 3, 2017 | 03:08:45.50 | |
| 2015 Golden Gate Dirty 30 (12-mile) | 62 | Saturday, May 30, 2015 | 03:41:33.96 | |
| 2014 Golden Gate Dirty 30 (12-mile) | 61 | Saturday, May 31, 2014 | 03:11:55.63 |