sentences:  But, a year later, the race was renamed as the Tour of Luzon and carried the name until 1976 (there was no tour held in 1968, 1970–1972).The prominent riders included two-time Tour champions Cornelio Padilla, Jr. of Central Luzon and Jose Sumalde of Bicol.However, in 1977, a rift within the PCAP (see below) led to a split of two tours during the said year.