SAN DIEGO, California - Every year SUP athletes and enthusiasts of all levels travel around the world to compete in some of the biggest and most challenging events in the sport. Whether it's technical courses or endurance races, downwind or surf, there are a handful of major events that have reigned supreme within the SUP community over the past few years. Taking participation numbers, community engagement, and professional athlete turnout into account, we rounded up the top 10 largest SUP events around the world.