This may be interesting.
I found the past results are on the website.

The corrected course record is 4:14:44 set in 2003 by R. Mcveigh and L. Phan on a Hobie 16.
That is also the record for a Hobie 16 at an elapse time of 3:13:24 .

the past winning corrected times are:
2006: 4:26:45
2005: 6:24:01
2004: 5:18:41
2003: 254.74 min. 4:14:44
2002: 470.98 min
2001: 401.77 min
2000: 498.88 min
1999: 269.48 min
1998: 431.33 min
1997: 454.68 min
1996: 304.14 min