| Mike Livingston's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 Sawatch Ascent 50k | Colorado, US | 52 | Sunday, September 24, 2023 | DNF |
| Staunton Rocks! Marathon & Half 2023 (Marathon) | Colorado, US | 52 | Saturday, August 26, 2023 | 08:14:41.00 |
| Mike Livingston's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 Sawatch Ascent 50k | Colorado, US | 52 | Sunday, September 24, 2023 | DNF |
| Staunton Rocks! Marathon & Half 2023 (Marathon) | Colorado, US | 52 | Saturday, August 26, 2023 | 08:14:41.00 |