| Jason Welch's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2023) | Colorado, US | 53 | Friday, July 28, 2023 | 13:45:45.00 |
| Blue Sky Marathon 2020 (Blue Sky) | Colorado, US | 50 | Saturday, November 14, 2020 | 05:42:24.00 |
| Jason Welch's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2023) | Colorado, US | 53 | Friday, July 28, 2023 | 13:45:45.00 |
| Blue Sky Marathon 2020 (Blue Sky) | Colorado, US | 50 | Saturday, November 14, 2020 | 05:42:24.00 |