| Matthew Mason's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer (2022) (100k) | Colorado, US | 46 | Saturday, July 30, 2022 | Not yet started |
| Never Summer 100k (2019) | Colorado, US | 43 | Saturday, July 27, 2019 | 21:51:10.00 |
| Matthew Mason's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer (2022) (100k) | Colorado, US | 46 | Saturday, July 30, 2022 | Not yet started |
| Never Summer 100k (2019) | Colorado, US | 43 | Saturday, July 27, 2019 | 21:51:10.00 |