Harrie Lavreysen added keirin gold to sprint and team sprint glory at the Paris Olympics on Sunday to underline the current Dutch domination of track cycling. He followed in the slipsteam of British greats Chris Hoy (2008) and Jason Kenny (2016) in achieving the feat at one Olympics, also becoming the most successful Dutch Olympian ever at a summer Games. The 27-year-old bettered his tally from Tokyo where he won gold in the sprints but only bronze in the keirin. “It’s incredible, this was my biggest dream to go for gold three times,” Lavreysen said. “I felt really strong the full week. This m…