# Back Bay Fit > Fitness center offers state-of-the-art body composition analysis and advanced testing like RMR, VO2 max, and DEXA. Facility maintains a clean, neat environment with a wide array of unique equipment not found in other gyms. Strong sense of welcoming community supports focused training sessions. Source: https://www.atly.com/location/BackBayFit - Address: 400 Commonwealth Ave, Boston, Massachusetts, United States - Phone: +16174500001 - Website: http://www.backbayfit.com/?utm_source=google&utm_medium=wix_google_business_profile&utm_campaign=5281208234418914037 ## What it is good for - Gyms — 10/10 - Weight Lifting Gym — 8.8/10 - Personal Training — 8.3/10 ## What people say - "Johnny's personal training helped me make significant progress towards my goals." - "Johnny helped me create a training and eating plan for weight lifting." - "Johnny was so encouraging when I felt like I was dying." ## Good to know - Back Bay Fit offers advanced testing such as RMR, VO2 max, and DEXA. - The testing process takes less than 90 minutes and is straightforward. - The facility is always immaculately maintained. - The gym is neat and clean. ## 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.