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Gyms in Longmont, CO

13 gyms in and around Longmont, Colorado — call ahead about childcare hours — many clubs staff the kids room only in the morning and early evening, and the hours change with the school year.

Longmont has about 99,818 residents, which works out to 13 gyms per 100,000 people. Population: U.S. Census Bureau, 2024 estimate.

Top 10 gyms in Longmont

Ranked by how complete and owner-verified the listing info is — hours, phone, website, services. No pay-to-play.

  1. 1VASA Fitness

    1630 Pace St, Longmont, CO 80504-2119

    Childcare / kids clubSwimming poolSauna or steamNo contractGroup classes
    Call Website Directions

  2. 2Longmont Athletic Club

    10 Mountain View Ave, Longmont, CO 80501

    Swimming poolSauna or steamGroup classes
    Call Website Directions

  3. 3Longmont Athletic Club West

    1375 Sherman Dr, Longmont, CO 80501-6135

    Swimming poolSauna or steamGroup classes
    Call Website Directions

  4. 4YMCA

    803 3rd Ave, Longmont, CO 80501

    Childcare / kids clubSwimming poolSauna or steam
    Call Website Directions

  5. 5Longmont Athletic Club

    1801 Lefthand Cir Ste A, Longmont, CO 80501-6783

    Swimming poolSauna or steamGroup classes
    Call Website Directions

  6. 6Anytime Fitness

    1111 Francis St, Longmont, CO 80501-3700

    Open 24 hours

    Open 24 hours

    24-hour access
    Call Website Directions

  7. 7YMCA

    Longmont, CO

    Childcare / kids clubSwimming pool
    Call Website Directions

  8. 8Gold's Gym

    1240 S Hover Rd, Longmont, CO 80501-7902

    24-hour access
    Call Website Directions

  9. 9Warrior Playground

    700 9th Ave, Longmont, CO 80501-4529

    No contract
    Call Website Directions

  10. 10Anytime Fitness

    4445 City Centre Rd, Longmont, CO 80504

    24-hour access
    Call Website Directions
13gyms
13per 100,000 residents
13with a phone
12with a website
1publish hours

Of the 13 gyms listed in Longmont, 13 give a phone number, 1 publishes opening hours and 12 have a website. The nearest bigger selection is Boulder with 19.

Gyms in Longmont by feature

Longmont 13 gyms

All 3 other gyms in Longmont

Same order: the most complete listings first.

  1. Gold's Gym

    1240 Hover St, Longmont, CO 80501

    24-hour access
    Call Website Directions

  2. Fitness 19

    1834 Main St Ste 15, Longmont, CO 80501

    Childcare / kids club
    Call Website Directions

  3. Dark Horse Fitness

    4250 Salazar Way Unit B, Longmont, CO 80504-3559

    24-hour access
    Call Directions

Guides for gym shoppers

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Good to know about gyms in Longmont

How many gyms are there in Longmont?

We list 13 gyms in Longmont with addresses, and 13 of them with a phone number.

What's the surest way to check hours in Longmont?

Call ahead — 13 of the 13 gyms here list a number. Hours at independent gyms shift with seasons and staffing, so a phone call beats any listing, including ours.

Is anything open 24 hours in Longmont?

5 of 13 run around the clock.

How much does a fitness trainer cost?

A fitness trainer typically costs between $40 and $100 per hour depending on location and experience. In Longmont, Colorado, you can explore 13 options (13 with direct phone numbers) on GymFinderAtlas to compare local rates. Working with a certified professional ensures proper form and steady progress.