Complex sentence: He won the national road championship four times-1960,1962,1963 and 1964-the world road championship in 1962, the first Amstel Gold Race, in 1966 and Vuelta a España in 1958.
Split into simpler sentences: He won the national road championship four times-1960,1962,1963 and 1964. However he won the world road championship in 1962 and he won the first Amstel Gold Race in 1966 and Vuelta a España in 1958.