Rip Curl Cup Padang Padang 2010. The Ultimate tube riding contest; The idea was simple: a world-class barreling wave, a month-long window during prime surf season, and 32 of the world's most fearless tube hunters. On August 15, 2009, a massive southwest swell rocked the island of Bali and the Rip Curl Cup Invitational at Padang Padang showed the world just how spectacular a surf contest can be.