Horse racing from unknown course in America.
Full title reads: "America's finest 3 year olds in thrilling contest for £10,000 prize - their first big race of the Season."
United States of America (USA).
Horses race away from the start on a dirt / sand track. Various shots of horses racing round track. Huge crowds are there to watch the race. Shots of the horses racing to the finish.
N.B. No information about where this race is from - or the name of winner.