| Scott Klopfenstein's efforts: | From | Date | Finish Time |
|---|---|---|---|
| Quad Rock (2018) (Quad Rock 50) | Colorado, US | Saturday, May 12, 2018 | 10:52:30.00 |
| Quad Rock 2017 | Colorado, US | Saturday, May 13, 2017 | 10:50:30.00 |
| Never Summer 100k 2016 | CO | Saturday, July 23, 2016 | 16:41:47.00 |
| 2016 Golden Gate Dirty 30 (50K) | Saturday, June 4, 2016 | 06:59:46.63 | |
| 2014 Golden Gate Dirty 30 (50K) | Saturday, May 31, 2014 | 06:31:10.75 |