2019/2020 Indoor Registration is now OPEN Author northsidePublished on August 18, 2019August 26, 2019 Indoor soccer registration for ages five (U7) to nineteen years old (U19), birth years 2013 to 2001. Northside Soccer is a Calgary NorthWest City League Soccer program open to players from all communities. Competitive (CMSA): Click here for more information. Recreational League: Click here for more information.