🏋️ Official Rankings
10 Best Gyms in Denver, CO (August 2026)
We compared 10 gyms serving Denver and Denver County, Colorado, and ranked the top providers by verified reviews, ratings, and local reputation — 1,972 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by THE Athletic Club. Updated for August 2026.
- Gyms ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 1,972
- Area codes
- 720, 303
THE Athletic Club
⭐ 4.9 · 457 reviews
1849 Curtis Street, Denver, CO 80202
Colfax Strong Strength & Conditioning
⭐ 4.9 · 288 reviews
1516 Emerson St, Denver, CO 80218
Green Door Fitness
⭐ 4.9 · 139 reviews
2404 E Colfax Ave, Denver, CO 80206
Fitness in the City - FITC Denver
⭐ 4.9 · 128 reviews
1212 Delaware St, Denver, CO 80204
Project 13 Gyms
⭐ 5.0 · 56 reviews
975 Lincoln St unit l, Denver, CO 80203
Denver Gym & Fitness
⭐ 4.7 · 205 reviews
Denver Gym and Fitness, 636 S Broadway, Denver, CO 80209
Gyms listed here serve Denver, Denver County, and nearby ZIP codes including 80201, 80202, 80203, 80204, 80205, 80206, 80207, 80208, 80209, 80210, 80211, 80212 and more.