Speedboat racing from Detroit River.
Full title reads: "Gold Cup Speedboat Classic".
Detroit River, United States of America (USA).
Elevated shot of speedboat race.
Shots of speedboats gather for mechanics before race starts.
MS of Guy Lombardo fastening helmet as he sits in boat.
LS He starts off in his motorboat 'Tempo VI'.
VS of speedboat race.
MS of man waving chequered flag.
LS of winning boat 'My Sweetie' coming in to shore.
CU of winner 'Wild Bill' Cantrell with trophy.