Complex sentence: At the 2011 IPC World Championship, with Bor was her guide, Perrine won a silver in the vision impaired downhill event, the first one ever earned by an Australian woman at the event.
Split into simpler sentences: At the 2011 International Paralympic Committee (IPC) World Championship, she won a silver in the vision impaired downhill event. Her medal was the first one ever earned by an Australian woman at the event.