Stuck on four answers if anyone can help. Clue 35 - The ?cup. World's northern-most skiing event held in Helsinki, November 15th (4 letters ?E?I) Clue 91 - The Lonon Marathon held this year on April 26 was one of these ( 2 words 4,3 R?A? R?N) Clue 51 - Making tracks already for S.Africa perhaps? (6 letters S?O?R?) Clue 66 Iain Percy (GB) rules the roost in this yachting class (7 letters ?E?P?S?)