Complex sentence: Cole has also participated in games such as the Australian Age Multi Class Swimming Championships and the New South Wales State Open championships, the former is held in Canberra at the Australian Institute of Sport and is designed to prepare elite swimmers for international competition.
Split into simpler sentences: Cole has also participated in national championships such as the Australian Age Multi Class Swimming Championships and the New South Wales State Open championships. The former is held in Canberra at the Australian Institute of Sport and is designed to prepare elite swimmers for international competition.