Complex sentence: In 2007, KC traveled again, with Team Razor USA, to Melbourne and Sydney, Australia, to compete at the Soul Planet X-games at the St. Kilda Festival just outside of Melbourne.
Split into simpler sentences: In 2007, KC traveled again, with Team Razor USA, but this time to Melbourne and Sydney, Australia. He was going to compete at the Soul Planet X-games at the St. Kilda Festival just outside of Melbourne.