Gulf Today. The Abu Dhabi World Jiu-Jitsu Festival 2026 got underway at Mubadala Arena on Saturday, bringing together young athletes and their families from. Commando Group and Kazakhstan Team complete the top three as the youth competitions conclude and the Abu Dhabi World Jiu-Jitsu Festival begins. The 18th Abu Dhabi World Jiu-Jitsu Championship opened with amateur competition, including medal wins for Mansour Al Mansouri and Juliana Cidade.