groms surf comp Australian surf legend Barton Lynch today announces the 2020 Boost Mobile BL Blast Off Global Video Challenge! Read More LifestyleTess McIntosh15 September 2020BL Blast Off, surf, surf comp, video footage, Grommets, Video Challenge, Barton Lynch, Jack Robinson, Kyuss King, Vahine Fierro, Mahina Maeda, Eli Hanneman, Submissions Open, Australian Sporting Hall of fame, professional surfer, Australian surf legend, Surf legend, Global Video Challenge, surfing industry, Terry Richardson, Robbie Page