Derek Mcwilliam (points: 128)

Nationals 1974
Saundersfoot SC
1052 Shandy
141/161 (21)
Derek Mcwilliam
Errwood SC

Nationals 1980
Felixstowe Ferry SC
1052 Shandy
74/98 (25)
Derek Mcwilliam
Alison Sheldrick (McWilliam)
Errwood SC

Nationals 1981
Tenby SC
1052 Shandy
49/130 (82)
Derek Mcwilliam
Alison Sheldrick (McWilliam)
Errwood SC