You can apply for free entry at Form Factory clubs:
Václavské nám. I Eden I Stodulky I Nové Butovice I Karolina Ostrava
You can apply free entry until 31/10/2018. Entrance to the club is possible from 9:00 to 19:00. Form Factory Fitness Center reserves the right to refuse entry to the club. www.formfactory.cz