| Tom Masterson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2019 Golden Gate Dirty 30 (50K) | Colorado, US | 74 | Saturday, June 1, 2019 | 09:35:35.00 |
| Quad Rock (2019) (Quad Rock 25) | Colorado, US | 74 | Saturday, May 11, 2019 | 06:30:46.00 |
| 2018 High Lonesome 100 | 73 | Friday, August 3, 2018 | DNF | |
| Hardrock 100 2018 | Colorado, US | 73 | Friday, July 20, 2018 | DNF |
| Quad Rock 2017 | Colorado, US | 72 | Saturday, May 13, 2017 | DNF |
| Hardrock 100 2016 | Colorado, US | 71 | Friday, July 15, 2016 | DNF |
| The Bear 100 2014 | Colorado, US | 70 | Friday, September 26, 2014 | 35:34:25.00 |
| Imogene Pass Run 2014 | CO | 70 | Saturday, September 6, 2014 | 03:53:11.00 |
| The Bear 100 2013 | Colorado, US | 69 | Friday, September 27, 2013 | DNF |