| Jim Delung's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Red Feather Trail Jamboree 2022 (Half Marathon) | Colorado, US | 39 | Saturday, September 17, 2022 | 03:10:09.00 |
| Staunton Rocks! Marathon & Half 2022 (Half Marathon) | Colorado, US | 39 | Saturday, August 27, 2022 | 03:45:49.00 |
| Staunton Rocks! Marathon & Half (Half Marathon) | Colorado, US | 38 | Saturday, August 28, 2021 | 03:19:32.00 |
| Never Summer (2021) (60k) | Colorado, US | 38 | Friday, July 30, 2021 | 14:29:33.00 |
| Never Summer 100k (2019) | Colorado, US | 36 | Saturday, July 27, 2019 | DNF |
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | 36 | Saturday, May 11, 2019 | DNF |