# 24 Hour Fitness > Spacious gym with wide variety of machines and free weights and indoor pool, sauna, and hot tub for relaxation. Welcoming atmosphere with a positive community culture and clean, well-maintained facilities. Offers diverse classes and maintains a friendly, affordable environment. Source: https://www.atly.com/location/24HourFitness174 - Address: 2900 Iris Ave, Boulder, Colorado, United States - Phone: +13032099274 - Website: https://www.24hourfitness.com/gyms/boulder-co/north-boulder-iris-super-sport?Adb_id=GGL_LOC_ACQ_CDP ## What it is good for - Gyms — 6.9/10 - Weight Lifting Gym — 6.6/10 ## What people say - "The gym staff here are so nice and helpful." - "The staff at this weight lifting gym are so friendly and welcoming." ## Good to know - The gym closes at 8pm on weekends and at 10pm on weekdays. - Day passes are available for $30, valid for three days. - Expect cleanliness issues, particularly in the changing rooms and sauna. - The gym is not actually open 24 hours as advertised. ## 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.