Challenge Bowl to be awarded each year to the winner of the Open Enterprise One-design Dinghy weekend at Thorpe

In poor condition – no longer awarded
2006—   No Race
2005       B Woodcock (Copii)
2004       B. Woodcock (Copii) & K. Edwards (Minnie)
2003       B. Woodcock (Copii)
1999-2002   K. Edwards (Minnie)
1997-8    No Race
1996       K. Edwards (Minnie)
1995       P. Jarvey (G.T.E.)
1994       K. Edwards (Minnie)
1993       P. Jarvey (G.T.E.)
1992       K. Edwards (Minnie)
1989-91  C. Bunn (Chippas Delight)
1988       S. Rix (Maria Magdalena)
1987       D. Gooch (Othfa)
1986       G. Young (Charisma)
1985       K. Edwards (Toadstool)
1984       D. Frary (Ripper)
1982-3    H. Hornagold (Twotonten)
1981       G. Young (Charisma)
1978-80  M. Gilburt (Ripper)
1977       J. Redding (Midnight Mushroom)
1975-6    B. Riley (Toot Sweet)
1972-4    R. W. Self (Outlaw)
1971       I. Barnett (Scheherazade)
1970       M.C. Broom (Maid to Measure)
1969       R. Self (Outlaw)
1967-8    D.S. Leech (Sombrero)
1966       R. Self (Cirrus) & B.R. Cumming (Stealaway II)
1965       D.S. Leech (Elemental) & M. Broom (Maid to Measure)
1964       B.R. Cumming (Stealaway)
1962-3    M. Broom (Maid to Measure)
1961       D.S. Leech (Adnil)  
1958-60  J.M. Evans