| Stella Heffron's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2024 (Quad Rock 25) | Colorado, US | 57 | Saturday, May 11, 2024 | 08:51:14.00 |
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 56 | Saturday, October 21, 2023 | 08:24:58.00 |
| Quad Rock 2023 (Quad Rock 25) | Colorado, US | 56 | Saturday, May 6, 2023 | 08:23:51.00 |
| Staunton Rocks! Marathon & Half 2022 (Half Marathon) | Colorado, US | 55 | Saturday, August 27, 2022 | 04:19:09.00 |