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Since 2004 THOR as the club is affectionately known, has been running swim programs for all who wish to join. Our members range from beginner to elite, and from those who are interested in improving their fitness through swimming.


  1. Thornhill Multisport is very proud to be located in the City of Markham. Thanks to the work of both the city and the Markham Pan Am Sports Centre even with the covid 19 pandemic we are able to offer a modified program for the 2020/21 Masters Swimming Season. The program will be run on Tuesdays and Thursdays, will consist of 2 45 minute sessions per evening and will be limited to 4 people per lane.
  2. For the 2020/21 season we will be offering 12 week sessions so as to allow the flexibility required in these uncertain times. Registration for our January session is now open.Note that in keeping with Covid 19 guidelines space is limited as we are allowed to have 4 people per lane.
  3. We are very pleased to offer a safe swimming environment thanks to the Pan Am pool having extra wide lanes, great deck space to allow for social distancing before and after workout, and a trained pool staff that is totally up to date with the latest provincial requirements.
  4. The Markham Pan Am Centre is located at 16 Main St Unionville, Unionville, ON L3R 2E4

Registration Link