# Weight lifting gyms in Boulder > A weight-lifting gym that offers the space to actually train rather than just waiting for a rack to open up. Source: https://www.atly.com/united-states/colorado/boulder/best-gyms-weight-lifting-gym ## Places (19) ### 1. Uplift Boulder Gym space feels clean and beautiful with comprehensive strength equipment. Atmosphere stays supportive and welcoming, fostering a community-focused environment free from ego or intimidation. Classes and coaching emphasize purposeful programming that encourages growth for all skill levels. - Address: 3280 28th St #4, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/UpliftBoulder ### 2. CrossFit Sanitas Huge gym space with clean gear and top-notch amenities including sauna and cold plunge creates an energetic and welcoming atmosphere. Strong coaching and a supportive community foster skill development and progression. Open gym hours and scalable workouts accommodate a wide range of fitness levels. - Address: 2525 Arapahoe Ave E60, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/CrossFitSanitas ### 3. Gym Number Five Facility offers 24-hour access with high-quality equipment tailored for strongman, powerlifting, and bodybuilding. Atmosphere stays welcoming and comfortable, encouraging focused training. Space includes ample plates and racks, supporting serious strength training needs. - Address: 6420 Gunpark Dr STE B, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/GymNumberFive ### 4. CrossFit Roots Organized and clean gym space hosts dynamic workouts that challenge all fitness levels. Supportive and welcoming community encourages every participant, including those with injuries. Coaching focuses on form over intensity, creating a safe and inclusive environment. - Address: 5311 Western Ave Suite 101, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/CrossFitRoots ### 5. Core Progression Elite Personal Training Small, clean personal training space offers a low key, friendly vibe with friendly dogs and good music enhancing the atmosphere. It feels private and welcoming without overcrowding or chaos. Personalized coaching focuses on accountability and confidence, creating an effective and motivating fitness experience. - Address: 2525 Arapahoe Ave Building H7, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/CoreProgressionElitePersonalTraining5 ### 6. Kinesis Integrated Performance Personal training space with highly personalized strength programs and a fully integrated approach combining physical and mental aspects. Staff maintain an amazing, fun environment while providing knowledgeable, instructive guidance that supports injury prevention and athletic progression. - Address: 1756 38th St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/KinesisIntegratedPerformance ### 7. Boulder CrossFit Gym space fosters a welcoming atmosphere with a supportive community of diverse athletes. Energy stays positive and encouraging, focusing on safety and form during efficient, challenging workouts. Coaches and members promote growth in fitness and life, making it newcomer-friendly and inclusive. - Address: 2480 49th St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderCrossFit ### 8. KONDITION--Barre | Spin | Strength | Yoga | Dance Gym combines wide variety of classes like barre, spin, strength, yoga, and dance with a supportive community and modern, spa-like facility. Atmosphere feels welcoming and energetic, with clean, beautiful spaces and thoughtful amenities such as lavender towels and massage chairs. - Address: 3161 Walnut St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/KONDITION--Barre-Spin-Strength-Yoga-Dance ### 9. ONE Boulder Fitness Gym offers spacious layout with clean, organized spaces and solid weight equipment including a deadlifting platform. Atmosphere stays chill and uncrowded, even during busy times. Amenities include sauna, steam room, and cold plunge for post-workout relaxation. - Address: 1800 Broadway #190, Boulder, CO 80302, USA - Atly: https://www.atly.com/location/ONEBoulderFitness ### 10. Boulder Athletics Gym space fosters a supportive community with an absence of ego and focus on self-improvement. Classes offer intentional programming that balances strength and conditioning for all fitness levels. Energy stays motivating and welcoming, especially during early morning sessions. - Address: 3240 Pearl St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderAthletics ### 11. F45 Training Central Boulder Bright, spacious gym with a balcony offering a Flatirons view and upbeat music sets an energetic tone. Classes blend HIIT and circuit training with a focus on strength and cardio, creating a challenging yet sustainable workout environment. Friendly instructors and group camaraderie foster positive energy and accountability during sessions. - Address: 1750 29th St Suite 2020, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/F45TrainingCentralBoulder ### 12. Mountains' Edge Fitness Huge American flag dominates the spacious gym filled with plenty of equipment. Quiet, welcoming vibe with no judgment and ample privacy creates a comfortable workout space. Presence of a corgi mascot adds a unique, friendly touch to the atmosphere. - Address: 2907 55th St #2, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Mountains-Edge-Fitness ### 13. Anytime Fitness Spacious gym with 24/7 access and well-maintained equipment including weights, TRX, and Schwinn bikes. Atmosphere stays chill yet focused, with respectful users following a no-phone policy and keeping the space clean. Natural daylight fills the area, and specialized features like a ballet barre and quality speed and heavy bags set it apart. - Address: 6565 Gunpark Dr Suite 155, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/AnytimeFitness349 ### 14. Transform Colorado - BLDR Studio offers a clean, modern design with bright lighting and mirrors all around. Energy stays positive and welcoming, creating a supportive community where everyone cheers each other on. Classes feature top-notch reformer machines and motivating music, blending functional fitness with a friendly atmosphere. - Address: 3000 Pearl Pkwy #1100, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Transform-Colorado---BLDR ### 15. Crunch Fitness - Boulder Spacious gym with spectacular layout and a wide range of Nautilus and Hammer Strength machines fills with high energy and a friendly, judge-free atmosphere. Sauna and recovery amenities add to the experience, while the environment stays welcoming and never overcrowded even at peak times. - Address: 1848 30th St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Crunch-Fitness---Boulder ### 16. Easton Training Center - Boulder Massive facility with multiple training spaces keeps Muay Thai and BJJ separate, creating an organized environment. The atmosphere is welcoming and supportive, with a friendly community that encourages skill-building without aggression. Clean mats and professional instruction focus on technique, mindfulness, and confidence development. - Address: 2005 32nd St, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/Easton-Training-Center---Boulder ### 17. Boulder Rock Club Rock climbing gym offers old school concrete walls with low bouldering areas and frequent route resets. The atmosphere is friendly and welcoming with a strong community feel and plenty of natural light. Amenities include auto belays for solo climbing, a kids section, weight rooms, and yoga classes, making it suitable for all ages and skill levels. - Address: 2829 Mapleton Ave, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderRockClub ### 18. Iron Works Fitness Gym offers a quiet, friendly atmosphere with a clean, well-organized space. Equipment covers all basic needs for cardio and strength training but lacks powerlifting gear. Mostly elderly members create a calm, hassle-free environment. - Address: 4660 Broadway, Boulder, CO 80304, USA - Atly: https://www.atly.com/location/IronWorksFitness ### 19. Boulder YMCA Fitness center includes huge weight room, heated pool, and hot sauna in locker rooms. Environment feels low-pressure and chill with friendly people and family-friendly vibe. Facility stays clean and well-maintained with spacious workout areas and convenient child care services. - Address: 2850 Mapleton Ave, Boulder, CO 80301, USA - Atly: https://www.atly.com/location/BoulderYMCA ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.