Mermaid school could be the next big thing for triathletes. This breakthrough approach to swimming is sure to get you fitter than ever in time for your next triathlon and swim leg PB. Aquamermaid is a company that originated out of Montreal but is quickly expanding across Canada. For only $60 a session, you’ll get your tail rental and a one-hour class. So ditch that wetsuit and those fins, because the best way to be the first one out of the water is to become a mermaid.