Storied swimmer Kyle Chalmers has been pipped for gold in the 100m free by a fellow Aussie. (Dean Lewins/AAP PHOTOS)Storied swimmer Kyle Chalmers has been pipped for gold in the 100m free by a fellow Aussie. (Dean Lewins/AAP PHOTOS) Credit: AAPThe realist in Kyle Chalmers knows there's a chance he might not compete at the Los Angeles Olympics. Now a father, Australian swimming heavyweight Chalmers is managing his expectations for the tail end of his career amid a "desperate" desire to continue chasing Olympic glory. For the first time, Chalmers was competing at the Games as a dad, well aware they could be his last.