Official Trailer - 2018 ISA World Longboard Surfing Championship The world's best longboarders are headed to China for the 2018 ISA World Longboard Surfing Championship. Catch all the action live January 19-25 on www.isaworlds.com. Video credits: Sam Bleakley, Morgan Lowndes, The Wave Productions, Augustin Munoz, Martin Laborde, Sara Calmon, Skindog Surfboards, Camo films.