Complex sentence: A special trophy was put up that year for the first four Palace riders to win races at more than 39 mph-this was won by Roger, his brother Buster, Joe Francis and Arthur Willimott.
Split into simpler sentences: A special trophy was put up that year for the first, fourth place riders to win races at more than 39 mph. The trophies were won by Roger, his brother Buster, Joe Francis, and Arthur Willimott.