The Nacra catamarans – except the Olympic Nacra 17 – initiated their joint World Championship on Lake Como ITA yesterday with 4 races. —– Steve Stroebel/Max Tjarnsved USA and Sanna Wielenga/Nils De Haas NED share the lead in the Nacra 18 (15 teams, 5 nations). —– In the Youth Nacra 15 cat – with 40 participants from 15 nations the biggest fleet – Carlo Reggiani/Moetue Givesti ITA are first 2 points ahead of Billy Margaux/Leo Morin FRA. —– In the Nacra 20, Albert and Mitchell Steenmann NED won 3 of the 4 races and are clearly leading ahead of Nick Elomre/Andrew Wood GBR and Laurent and Mathis Bourgnon SUI. —– All ranking lists.