I'd have to say the Mothers Day Classic. It is an annual fun run event held in Sydney, Melbourne, Canberra, Perth and Adelaide. Choose from either the 4km or 8km run, and the 4km walk. A great way to keep fit on a Sunday morning. This event is designed to raise funds for breast cancer research, and the pink parade rules. Fun activities are also put on by many different sponsors. Walking and running for Breast Cancer research never felt so great. You can wear memorial messages in memory of loved ones, who either have or not survived Breast Cancer, as in the image shown. Note: Image sourced from the Mothers Day Classic Facebook page.