While most people mark their 50th birthday with a celebration, Australian father and aviation entrepreneur Jason Williamson is doing something far more extreme – running 4,000km across one of the world’s toughest landscapes to raise awareness and funds for youth mental health. The Aussie ultra-endurance athlete and founder of global aircraft operations company Six West Aviation will run from Perth to his hometown of Port Macquarie, averaging two marathons a day for 50 days. The run will begin on August