| THE GEOFFREY WRINCH CHALLENGE CUP | |||
| Presented in 1987 by Nancye Wrinch in Memory | |||
| of her husband Geoffrey who died while helming Vim in a race. | |||
| Presented to the winner of the East Coast Championship | |||
| or 1st RHYC boat outside the 4 main prizes in the National Championships | |||
| 1987 | Mars | C.M.D. Brown | |
| 1988 | Mars | C.M.D. Brown | 1st East Coast |
| 1989 | Mars | C.M.D. Brown | 1st Nationals |
| 1990 | Thunderer | J.R.Williams | 1st East Coast |
| 1991 | Storm Petrel | H Baker & J Selby | 1st Nationals |
| 1992 | Guillemot | R.B.Johnson | 1st East Coast |
| 1993 | Mars | C.M.D. Brown | 1st Nationals |
| 1994 | Artemis | J.Stone | 1st East Coast |
| 1995 | Thunderer | J.R.Williams | |
| 1996 | Mandalay | G.R.Wallhead & M.J.Kendall | 1st East Coast |
| 1997 | Mars | C.M.D. Brown | |
| 1998 | Pegasus | D Kerridge | 1st East Coast |
| 1999 | Thunderer | J.R.Williams | |
| 2000 | Thunderer | J.R.Williams | 1st East Coast |
| 2001 | Thunderer | J.R.Williams | |
| 2002 | Avocet | D Sharps & R Chenery | 1st East Coast |
| 2003 | Puffin | D Pearce | |
| 2004 | Avocet | D Sharps & R Chenery | 1st East Coast |
| 2005 | Not Awarded as 5th place was Falmouth boat | ||
| 2006 | Avocet | I. Sharps | 1st East Coast |
| 2007 | Not Awarded as 5th place was Falmouth boat | ||
| 2008 | Thunderer | J.R.Williams | 1st East Coast |