| Grant Ritter's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2018) | Colorado, US | 35 | Saturday, July 28, 2018 | 20:42:33.00 |
| Quad Rock (2018) (Quad Rock 50) | Colorado, US | 34 | Saturday, May 12, 2018 | 11:53:47.00 |
| Grant Ritter's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2018) | Colorado, US | 35 | Saturday, July 28, 2018 | 20:42:33.00 |
| Quad Rock (2018) (Quad Rock 50) | Colorado, US | 34 | Saturday, May 12, 2018 | 11:53:47.00 |