| 19/05/2024 | | NC2 | | | | National Championships United States (Charleston) R.R. (212 km) | |
| 25/06/2023 | | NC3 | | | | National Championships United States (Knoxville) R.R. (186,1 km) | |
| 26/06/2022 | | NC3 | | | | National Championships United States (Knoxville) R.R. (186,1 km) | |
| 20/06/2021 | | NC3 | | | | National Championships United States (Knoxville) R.R. (190,9 km) | |
| 30/06/2019 | | NC3 | | | | National Championships United States (Knoxville) R.R. (193,1 km) | |
| 24/06/2018 | | NC3 | | | | National Championships United States (Knoxville) R.R. (193,1 km) | |
| 25/06/2017 | | NC3 | | | | National Championships United States (Knoxville) R.R. (179 km) | |
| 28/05/2016 | | NC3 | | | | National Championships United States (Winston-Salem) R.R. (187 km) | |
| 25/05/2015 | | NC3 | | | | National Championships United States (Chattanooga) R.R. (165 km) | |
| 26/05/2014 | | NC2 | | | | National Championships United States (Chattanooga) R.R. (165 km) | |
| 27/05/2013 | | NC2 | | | | National Championships United States (Chattanooga) R.R. (165 km) | |
| 28/05/2012 | | NC2 | | | | National Championships United States (Greenville) R.R. (185 km) | |
| 30/05/2011 | | NC2 | | | | National Championships United States (Greenville) R.R. (185 km) | |
| 19/09/2010 | | NC2 | | | | National Championships United States (Greenville) R.R. (180,2 km) | |
| 30/08/2009 | | NC2 | | | | National Championships United States (Greenville) R.R. (177 km) | |
| 31/08/2008 | | NC2 | | | | National Championships United States (Greenville) R.R. (185,1 km) | |
| 2/09/2007 | | NC2 | | | | National Championships United States (Greenville) R.R. (211 km) | |
| 3/09/2006 | | NC1 | | | | National Championships United States (Greenville) R.R. (194 km) | |