Complex sentence: He made twenty starts in the 24 Hours of Le Mans race, finishing in 8th place at the first attempt in 1962, with a pole position and a best finish of third (in 1969 and 1984) to his credit.
Split into simpler sentences: He made twenty starts in the 24 Hours of Le Mans race, finishing in 8th place at the first attempt in 1962. He has raced in the renowned 24 Hours of Le Mans twenty times, with a pole position and a best finish of third (in 1969 and 1984) to his credit.