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| 2025 | R Le Grange |
| 2024 | L Xu |
| 2023 | A Thurner |
| 2022 | R Le Grange & A Thurner |
| 2020 | G Morrell |
| 2019 | R Le Grange |
| 2018 | B Rider |
| 2017 | N Al-Muhaisen |
| 2016 | A Ang |
| 2015 | A Ang |
| 2014 | L Guico |
| 2013 | S Yang |
| 2012 | S Yang |
| 2011 | S Yang |
| 2010 | L Guico |
| 2009 | R W Smith |
| 2008 | R W Smith |
| 2007 | R W Smith |
| 2006 | R W Smith |
| 2005 | R W Smith |
| 2004 | R W Smith |
| 2003 | R W Smith |
| 2002 | R W Smith |
| 2001 | R W Smith |
| 2000 | J Robinson |
| 1999 | R W Smith |
| 1998 | R W Smith |
| 1997 | R W Smith |
| 1996 | R W Smith |
| 1995 | R W Smith |
| 1994 | R W Smith |
| 1993 | R W Smith |
| 1992 | R W Smith |
| 1991 | R W Smith |
| 1990 | R W Smith |
| 1989 | R W Smith |
| 1988 | R W Smith |
| 1987 | R W Smith |
| 1986 | R W Smith |
| 1985 | R W Smith |
| 1984 | R W Smith |
| 1983 | R W Smith |
| 1982 | R W Smith |
| 1981 | R W Smith |
| 1980 | R W Smith |
| 1979 | R W Smith |
| 1978 | R W Smith |
| 1977 | R W Smith |
| 1976 | J Van Pelt |
| 1975 | R W Smith |
| 1974 | M Breetvelt |
| 1973 | J Van Pelt |
| 1972 | J Van Pelt |
| 1971 | J Van Pelt |
| 1970 | J Van Pelt |
| 1969 | H Patchett |
| 1968 | H Patchett |
| 1967 | H Patchett |
| 1966 | J Van Pelt |
| 1965 | J Van Pelt |
| 1964 | H Patchett |
