Japan's Kokona Hiraki won her maiden skateboarding park world championships gold on Sunday and was joined on the podium by her compatriot and fellow 15-year-old Hinano Kusaki who finished second.Tokyo Olympic silver medalist Hiraki landed a backside flip and scored 94.54 points in the second of her three runs in the final in Rome, edging the 93.20 scored by recent Asian Games gold medalist Kusaki at the event that doubles as the third qualifying event for the Paris Olympics.Minna Stess of the United States was third with 90.80, while Tokyo Games winner Sakura Yosozumi came last in the eight…READ FULL ARTICLE