| 16 Mar 2020 | 2020 Open Russian DN Championship | Mike Bloom | 30th / 30 |
| 18 Jan 2020 | 2020 DN North American Championship | John Dennis | 14th / 35 |
| 14 Dec 2019 | 2019 Great Western Challenge (DN) | John Dennis | 5th / 22 |
| 21 Feb 2019 | 2019 DN North American Championship | John Dennis | 10th / 40 |
| 5 Jan 2019 | 2019 DN Western Region Championship | John Dennis | 2nd / 24 |
| 24 Jan 2018 | 2018 DN North American Championship | John Dennis | 2nd / 42 |
| 13 Jan 2018 | 2018 DN Western Region Championship | John Dennis | 2nd / 14 |
| 27 Jan 2017 | 2017 DN North American Championship | John Dennis | 9th / 45 |
| 22 Jan 2017 | 2017 DN World Championship (Gold Cup) | John Dennis | 12th / 40 |
| 7 Jan 2017 | 2017 DN Western Lakes Championship | John Dennis | 4th / 29 |
| 2 Jan 2016 | 2016 DN Western Region Championship | John Dennis | 2nd / 29 |
| 5 Dec 2015 | 2015 Western Challenge (DN, unsanctioned) | John Dennis | 1st / 36 |
| 6 Dec 2014 | 2014 Western Challenge (DN, unsanctioned) | John Dennis | 2nd / 45 |
| 6 Dec 2013 | 2013 Western Challenge (DN, non-sanctioned) | John Dennis | 2nd / 27 |
| 30 Jan 2013 | 2013 DN North American Championship | John Dennis | 1st / 42 |
| 27 Jan 2013 | 2013 DN World Championship (Gold Cup) | John Dennis | 3rd / 50 |
| 5 Jan 2013 | 2013 DN Western Lakes Championship | John Dennis | 3rd / 29 |
| 26 Feb 2012 | 2012 DN North American Championship | John Dennis | 2nd / 42 |
| 7 Jan 2012 | 2012 DN Western Region Championship | John Dennis | 2nd / 26 |
| 8 Feb 2009 | 2009 DN World Championship (Gold Cup) | John Dennis | 12th / 50 |
| 14 Jan 2008 | 2008 DN North American Championship | John Dennis | 2nd / 43 |
| 1 Jan 2008 | 2008 DN World Championship (Gold Cup) | John Dennis | 9th / 50 |
| 1 Jan 2008 | 2008 DN European Championship | John Dennis | 10th / 49 |
| 21 Feb 2007 | 2007 DN North American Championship | John Dennis | 6th / 49 |
| 18 Feb 2007 | 2007 DN World Championship (Gold Cup) | John Dennis | 5th / 50 |
| 4 Mar 2006 | 2006 DN Central Lakes Regional Championship | John Dennis | 5th / 27 |
| 28 Jan 2006 | 2006 DN North American Championship | John Dennis | 3rd / 50 |
| 12 Feb 2005 | 2005 DN North American Championship | John Dennis | 3rd / 40 |
| 5 Feb 2005 | 2005 DN Central Lakes Regional Championship | John Dennis | 2nd / 33 |
| 17 Jan 2005 | 2005 DN World Championship (Gold Cup) | John Dennis | 9th / 50 |
| 21 Feb 2004 | 2004 DN North American Championship | John Dennis | 1st / 39 |
| 22 Feb 2003 | 2003 DN Central Lakes Regional Championship | John Dennis | 2nd / 32 |
| 7 Dec 2002 | 2002 DN Western Challenge Regatta | John Dennis | 2nd / 30 |
| 26 Jan 2002 | 2002 DN North American Championship | John Dennis | 4th / 50 |
| 5 Jan 2002 | 2002 DN Western Regional Championship | John Dennis | 6th / 35 |
| 3 Mar 2000 | 2000 DN North American Championship | John Dennis | 7th / 23 |
| 15 Jan 2000 | 2000 DN Western Region Championship | John Dennis | 1st / 30 |
| 25 Feb 1999 | 1999 DN North American Championship | John Dennis | 7th / 49 |
| 20 Feb 1999 | 1999 DN World Championship (Gold Cup) | John Dennis | 8th / 49 |
| 7 Mar 1998 | 1998 DN Western Region Championship | John Dennis | 1st / 25 |
| 15 Feb 1998 | 1998 DN North American Championship | John Dennis | 8th / 50 |
| 29 Nov 1997 | 1997 Western Region Thanksgiving Regatta (DN) | John Dennis | 3rd / 15 |
| 17 Jan 1997 | 1997 DN North American Championship | John Dennis | 10th / 53 |
| 14 Jan 1997 | 1997 DN World Championship (Gold Cup) | John Dennis | 19th / 51 |