1971 Royal Canadian Yacht Club, Toronto, Canada 91 boats

1. Jack Langmaid/Nancy Langmaid (Canada)
2. Geoff Revett (United States)
3. Dave Pearce (England)
4. Jamie Kidd (Canada)
5. Barry Poyntz/Gary Poyntz (Canada)

1973 Royal Plymouth Corinthian Yacht Club, Plymouth, England 146 Boats

1. John Herbert/Norman Warrington (England)
2. Phil Crebbin (England)
3. Mike McNamara (England)
4. M. Ellis (England)
5. Sam Bott (England)

1975 Association Island, Henderson Harbor, New York, United States 64 Boats

1. Bill Shore/Bonnie Shore (United States)
2. Graham Child (England)
3. David Pearce/Tessa Pearce (England)
4. Bill Ewing/Steve Nelson (United States)
5. Paul Magnini/Ed McGrath (Canada)

1977 Portsmouth Harbour, Kingston, Canada 59 Boats

1. Barry Poyntz/Gary Poyntz (Canada)
2. Roger Green (Canada)
3. Art Ellis/Vicki Linville (United States)
4. Richard Storere (Canada)
5. John Luard/Tim McGee (United States)

1979 Royal Torbay Yacht Club, Torquay, England 62 Boats

1. Mike Holmes (England)
2. Sean Fitzgerald (England)
3. Ricard Holness (England)
4. Mike McNamara (England)
5. Dave Pearce/Tessa Pearce (England)

1981 Fishing Bay Yacht Club,Gwynn's Island, Virginia, United States 53 Boats

1. Jon Webb/Peter Aitken (England)
2. Barry Poyntz/Gary Poyntz (Canada)
3. Bill Ewing/Paul Pezzutti (United States)
4. Steve Wainwright/D. Aitchison (England)
5. John Luard/Toni Gahn (United States)

1983 Royal Canadian Yacht Club, Toronto, Canada 60 Boats

1. Barry Poyntz/Gary Pontz (Canada)
2. Andy Cumming/Alan Hynes (Canada)
3. AlanHumphreys/Tom Payne (Canada)
4. Paul Henderson/Martha Henderson (Canada)
5. Jon Webb/Peter Aitken (England)

1985 Herne Bay Sailing Club, Herne Bay, England 58 Boats

1. Graham Child/Nick Harrison  (England)
2. Mike Holmes/M.Cockeram  (England)
3. Michael McNamara/J. Payne  (England)
4. Richard Watkinson/Ian Amos  (England)
5. J.Britland (England)

1987 Island Heights Yacht Club, Island Heights, New Jersey, United States 47 Boats

1. John Clark/Jaime Day (Canada)
2. John Luard/Toni Gahn (United States)
3. Bill Ewing (United States)
4. Larry Dubois (United States)
5. Riaz Latifullah (United States)

1989 Portsmouth Olympic Harbour, Kingston, Canada 50 Boats

1. John Clark/Jaime Day (Canada)
2. Riaz Latifullah/John Grant (United States)
3. John Luard/Tony Gahn (United States)
4. Suzanne Cumming (England)
5. Russell Wane (England)

1991 Crammond, Scotland 77 Boats

1. Mike McNamara/Paul Hobsen (England)
2. Mike Holmes/Dennis Froggat (England)
3. Nigel Young/Robert Young (England))
4. Duncan Glen, (England)
5. Ian Porter, (England)

1993 Rehoboth Bay Sailing Association, Rehoboth, Delaware, United States 44 Boats

1. Mike McNamara/Colin Goodman (England)
2. Peter Snowden/Debbie Snowden (England)
3. Barney Harris/Jasper Craig (United States)

1995 Portsmouth Olympic Harbour, Kingston, Canada

1. Mike McNamara/Mike Gifford (England)
2. John Clark/Don Ruddy (Canada)
3. Peter Snowden/Debbie Snowden (England)

1997 Hayling Island Sailing Club, England

1. Duncan Glen/Alistar Glen (England)
2. Mike McNamara/Mike Gifford (England)
3. Martin Cockram/Collin Smith (England)

1999 Rehoboth Bay Sailing Association, Rehoboth, Delaware, United States 60 Boats

1. Mike McNamara/Malav Shroff (England)
2. Barney Harris/David Byron (United States)
3. Chris Gorton/Henry Pedro (Canada)
4. Ken Clarke/Sharon Palmer (Canada)
5. Dave Schoene/Jasper Craig (United States)

2001 Royal Torbay Yacht Club, Torquay, England 71 Boats

1. Mike McNamara/Robbin Barker (England)
2. Martin Cockram/Colin Smith (England)
3. Richard Thompson/Jenny Thompson (England)
4. Barney Harris/David Byron (United States)
5. Mike Holmes/Dennis Froggart (England)

1. HARRIS, BARNEY David Byron (USA)
2. BRAYSHAW, IAN Jeff Beitz (Canada)
3. GORTON, CHRIS Henry Pedro (Canada)
4. BROUGHTON, TIM Karen Marshall (Canada)
5. SMITH, KEVIN John McHutchion (Canada)

1. Chris Turner/Simon Maguire (England)
2. Michael McNamara/Robin Barker (England)
3. Neville Herbert/Stephen Penfold (England)
4. Mike Holmes/Colin Smith (England)
5. Barney Harris/David Byron (United States)