https://community.usms.org/swimming/f/general/4522/first-master-swim-meetWhen were master swimming events started. I competed the 1st time in Etobicoke Ontario 1973 Here is a link to some of the earlier events. www.mastersswimmingontario.ca/.../masters10.htm Heading to Mexico at 10 am today.en-USTelligent Community 12