Masters swimming is a special class of competitive swimming for swimmers 25 years and older. Premasters is normally included as well, from 18 years old (Canada, United States and Australia) or 20 years old (Europe).
In Canada ten thousand swimmers in more than 250 clubs are organized within the Masters Swimming Canada organization.[1] In the United States around sixty thousand masters swimmers are being supported by U.S. Masters Swimming in more than 1,500 masters swimming clubs or workout groups.[2]
