# Boxing classes at gyms in Denver > Made for those who demand a high-intensity workout that builds discipline and physical endurance in a dedicated training environment. Source: https://www.atly.com/united-states/colorado/denver/best-boxing-class-gyms ## Places (7) ### 1. JustJameson Boxing gym combines technical expertise with mindfulness practices, creating a space where physical training meets mental focus. Atmosphere stays supportive and motivating, welcoming those aiming to improve both body and mind. Instruction emphasizes self-control and regulation, setting it apart from typical boxing programs. - Address: 1785 S Marion St, Denver, CO 80210, USA - Atly: https://www.atly.com/location/JustJameson ### 2. Perseverance Modern gym space buzzes with great energy and loud, motivating music. Small, intimate setting fosters a supportive community where people of all fitness levels push themselves. Trainers and athletes create a results-driven atmosphere that encourages strength and health improvements. - Address: 2628 E 3rd Ave, Denver, CO 80206, USA - Atly: https://www.atly.com/location/Perseverance ### 3. Summit Strong Spacious gym with large free weight areas and a turf zone offers plenty of room without overcrowding. Atmosphere stays welcoming and supportive, filled with knowledgeable people focused on improvement. Recovery amenities include a cold plunge, sauna, and steam room that enhance post-workout relaxation. - Address: 925 Lincoln St, Denver, CO 80203, USA - Atly: https://www.atly.com/location/SummitStrong ### 4. Endorphin City Park Open workout areas combine with flexible class schedules and 24-hour access to support varied fitness routines. A welcoming community fosters a judgment-free zone where all levels exercise comfortably. Classes range widely from HIIT to yoga, each designed to be challenging yet inclusive. - Address: 3170 E Colfax Ave, Denver, CO 80206, USA - Atly: https://www.atly.com/location/EndorphinCityPark ### 5. Rumble Boxing Boxing gym combines strength training and bag work in a high energy atmosphere with dark lighting and bumping music. Classes suit all skill levels and focus on full body workouts led by motivating trainers. Facility stays clean and welcoming, creating a fun and non-intimidating environment. - Address: 160 Steele St, Denver, CO 80206, USA - Atly: https://www.atly.com/location/RumbleBoxing40 ### 6. Train. Fight. Win. MMA & Fitness Gym offers inclusive atmosphere with zero tolerance for ego-driven behavior. Community feels close-knit and supportive, welcoming all skill levels and backgrounds. Classes combine technical skill development with fun, challenging workouts in a transparent, respectful environment. - Address: 220 Santa Fe Dr, Denver, CO 80223, USA - Atly: https://www.atly.com/location/Train-Fight-Win-MMA-Fitness ### 7. Twentieth Street Recreation Center Gym combines classic vintage atmosphere with state-of-the-art equipment including free weights and a huge swimming pool. Martial arts and boxing areas stand out, offering free lessons and fostering a welcoming community. It stays busy at times, with some machines requiring a wait. - Address: 1011 20th St, Denver, CO 80202, USA - Atly: https://www.atly.com/location/TwentiethStreetRecreationCenter ## 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.