| Brett Carlson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Staunton Rocks! Marathon & Half 2022 (Marathon) | Colorado, US | 36 | Saturday, August 27, 2022 | 05:15:24.00 |
| Blue Sky Trail Marathon (2017) | CO | 31 | Saturday, October 21, 2017 | 05:09:04.00 |
| Brett Carlson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Staunton Rocks! Marathon & Half 2022 (Marathon) | Colorado, US | 36 | Saturday, August 27, 2022 | 05:15:24.00 |
| Blue Sky Trail Marathon (2017) | CO | 31 | Saturday, October 21, 2017 | 05:09:04.00 |