# 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. Source: https://www.atly.com/location/F45TrainingCentralBoulder - Address: 1750 29th St Suite 2020, Boulder, Colorado, United States - Phone: +13034953377 - Website: https://f45training.com/studio/centralboulder/ ## What it is good for - Fun Activities — 10/10 - Gyms — 10/10 - Weight Lifting Gym — 8.3/10 ## What people say - "This gym's workouts are effective for improving endurance and recovery." - "I had a great workout here, perfect for strength and cardio." - "These fun activities are inspiring and always different." ## Good to know - F45 Training Central Boulder offers many class times throughout the day, accommodating various schedules. - Classes could be pretty crowded during peak times. - The gym and locker room are very clean. - The workouts last just under an hour and are very effective. - The format combines HIIT and circuit training. ## 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.