| Year | Men | Women |
|---|---|---|
| 2020 | Cancelled due to COVID-19 | Cancelled due to COVID-19 |
| 2019 | ||
| 2018 | ||
| 2017 | ||
| 2016 | ||
| 2015 | ||
| 2014 | ||
| 2013 | Robert Chavez (Calif.) | |
| 2012 | Robert Chavez (Calif.) | Gudrun Ahlskog (Texas) |
| 2011 | Dan Young (Calif.) |
|
| 2010 | William Coopwood (Texas) | |
| 2009 | Michael Stephens (Michigan) | |
| 2008 | Steven Markey (Penn.) | |
| 2007 | Christopher Young (Texas) | |
| 2006 | Dave Grigsby (Illinois) |