# 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. Source: https://www.atly.com/location/EndorphinCityPark - Address: 3170 E Colfax Ave, Denver, Colorado, United States - Phone: +13039934041 - Website: http://myendorphin.com/ ## What it is good for - Cycling Gym — 10/10 - Lively — 10/10 - Gyms — 10/10 - Yoga Class — 8.3/10 - Yoga Spot — 8.3/10 - Barre Class — 7.5/10 - Weight Lifting Gym — 7.1/10 - HIIT — 7/10 - Boxing Class — 6.7/10 ## What people say - "The instructors at this gym are super friendly and encouraging." - "The instructors here really know their stuff and bring the hype." - "You'll love the variety of classes, including yoga, spin, and barre." ## Good to know - Free intro classes are available to experience the gym before committing. - The gym offers a wide variety of classes, including HIIT, yoga, and boxing. - Flexible open gym hours allow for easy access to fit any schedule. - Membership includes access to multiple locations across the city. - The community atmosphere is welcoming and non-judgmental. ## 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.