| Michelle Foster's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock 2022 (Quad Rock 50) | Colorado, US | 38 | Saturday, May 7, 2022 | DNF |
| The Bear 100 2021 | Colorado, US | 37 | Saturday, September 25, 2021 | 31:57:13.00 |
| Never Summer (2021) (60k) | Colorado, US | 37 | Friday, July 30, 2021 | 10:55:18.00 |
| Quad Rock 2021 (Quad Rock 25) | Colorado, US | 37 | Saturday, May 8, 2021 | 06:01:48.00 |
| Blue Sky Marathon 2020 (Blue Sky) | Colorado, US | 36 | Saturday, November 14, 2020 | 05:31:15.00 |
| Quad Rock 2020 (Quad Rock 50) | Colorado, US | 36 | Saturday, August 15, 2020 | 13:00:37.00 |
| Never Summer (2020) (100k) | Colorado, US | 36 | Saturday, July 25, 2020 | 18:45:37.00 |
| Blue Sky Marathon 2019 (Blue Sky) | Colorado, US | 35 | Saturday, October 19, 2019 | 04:53:32.00 |
| Never Summer 100k (2019) | Colorado, US | 35 | Saturday, July 27, 2019 | 22:34:51.00 |
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 35 | Saturday, May 11, 2019 | 13:04:16.00 |
| Blue Sky Trail Marathon (2018) (Blue Sky) | Colorado, US | 34 | Saturday, October 20, 2018 | 05:35:06.00 |