CMSL League Info

The Calgary Mixed Slo-Pitch League has been operating since 1978, offering a fun and competitive brand of Slo-Pitch out of Optimist Athletic Park

5020 26 Ave SW, Calgary, AB


The CMSL operates on 3 nights: Mondays (A Division), Wednesdays (B Division) and Thursdays (C Division).


In a typical season
  • All games on your night of ball
  • Double headers with CSUA umpires
  • All games at Optimist Athletic Park
  • 22 game schedule with potential for playoffs
  • Start mid May - end late August
  • League Fees - $2500 per team


Playoffs are usually held the final weekend in August.  The top 8 teams in each Division qualify.


If you are interested in joining the CMSL please click on the joining as a team link at the top of our home page.

Please note that we usually have a wait list so the sooner you contact us the better the chance that we can find a spot for you! 

RAMP Registration

Join thousands of association partners using RAMP Registration Solutions.

More Information

RAMP Official Assigning

#1 with Officials...for very good reasons.

More Information

RAMP Websites

Manage your identity from the palm of your hand to the top of your desk.

More Information

RAMP Team App

Keep your coaches, parents, athletes, and fans connected, seamlessly.

More Information