Results
| Spring 50k (George Cheung Memorial Race) | Fall 50/50 |
| Course Records:
2:57:35 Dave Dunham (2001) 3:48:08 Lisa Menninger (2006) |
Course Records: 50K 3:04:48.5 Nolan McKenna (2022) 3:34:56 Camille Shiflett (2016) 50M 5:12:36 Zach Bitter (2013) 6:20:27 Tera Moody (2017) |
| April 2000 | November 2000 |
| April 2001 | November 2001 |
| April 2002 | 2002 50k | 2002 50m |
| April 2003 | 2003 50k | 2003 50m |
| April 2004 | 2004 50k | 2004 50m |
| April 2005 | 2005 50k | 2005 50m |
| April 2006 | 2006 50k | 2006 50m |
| March 2007 | 2007 50k | 2007 50m | 2007 Marathon |
|
April 2008 |
2008 50k |
2008 50m |
| April 2009 | 2009 50k | 2009 50m |
| March 2010 | 2010 50k | 2010 50m |
| March 2011 | 2011 50k | 2011 50m |
| March 2012 | 2012 50k | 2012 50m |
| March 2013 | 2013 50k | 2013 50m |
| April 2014 | 2014 50k | 2014 50m |
| March 2015 | 2015 50k | 2015 50m |
| April 2016 | 2016 50k | 2016 50m |
| April 2017 | 2017 50k | 2017 50m |
| April 2018 | 2018 50k | 2018 50m |
| March 2019 | 2019 50k | 2019 50m |
| March 2020 Race Cancelled
| 2020 50k | 2020 50m |
| March 2021 | 2021 50k | 2021 50m |
| March 2022 | 2022 50k | 2022 50m |