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Gyms with Group Classes in Boulder, CO

8 of the 19 gyms we list in Boulder have group classes.

Google's amenities list might flag a gym as having "group classes" without saying which ones run, how often, or whether non-members can even drop in — a gap that's invisible until you show up for a spin class that doesn't exist. Every gym on this page has its class schedule confirmed from the gym's own site or booking app, not a generic amenity checkbox.

  1. BLAST

    1821 30th St, Boulder, CO 80301-1074

    Childcare / kids clubSwimming poolSauna or steamGroup classes
    Call Website Directions

  2. Colorado Athletic Club Flatirons

    505 Thunderbird Dr, Boulder, CO 80303

    Childcare / kids clubSwimming poolSauna or steamGroup classes
    Call Website Directions

  3. Boulder YMCA

    2850 Mapleton Ave, Boulder, CO 80301-1122

    Childcare / kids clubSwimming poolGroup classes
    Call Website Directions

  4. 24 Hour Fitness

    2900 Iris Avenue, Boulder, CO 80301

    Sauna or steam24-hour accessGroup classes
    Call Website Directions

  5. Kondition

    3161 Walnut St, Boulder, CO 80301-2511

    Sauna or steamGroup classes
    Call Website Directions

  6. Lagroove

    1657 28th St, Boulder, CO 80301

    No contractGroup classes
    Call Website Directions

  7. Body Balance Strength & Wellness

    2747 Iris Ave, Boulder, CO 80304-2433

    24-hour accessGroup classes
    Call Website Directions

  8. Life Time

    1821 30th St, Boulder, CO 80301-1074

    Swimming poolGroup classes
    Call Website Directions
Check the drop-in policy before you go. Many gyms sell a single class pass to non-members for around $15-25, but some require a membership or a free trial signup first — a quick look at the booking app saves a wasted trip.

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Good to know

Can I take a gym class without a membership?

Many gyms sell single class passes or day passes to non-members, often through an online booking app like Mindbody or the gym's own site. Others reserve classes for members only, so it's worth checking the class schedule page before showing up.

How much do group fitness classes cost?

Drop-in classes typically run $15-30 depending on the type and city, while gym members often get classes included in their monthly dues or at a discounted punch-card rate. Specialty formats like cycling or reformer Pilates tend to sit at the higher end of that range.