One Nation Fitness - Needham
10 Charles Street Needham, MA 02494  

Class Types

Crossfit / WOD, Kettlebell, Rowing, Functional Fitness, Jump Rope


Nutrition Counseling
Private Training
Towels for Rent

Cancellation Policy

In-Studio: 12 hours



Know before you go

  • Please note that you must arrive 10 minutes before class starts to sign in
  • All first time visitors must fill out a waiver directly with ONE Nation Fitness upon arrival
  • Any user who does not sign the waiver will not be permitted inside class
  • ONE-X is more of a HIIT class
  • The Sunday class is an Introductory CF class in which you need no prior experience
  • The weekday classes are intermediate classes in which you do need some experience


ONE Nation Fitness classes are perfect for anyone looking for a high energy, low impact, full body workout! Our signature 60-min interval workouts are suited for all fitness levels. Each class combines strength training and cardio, making it one of the best ways to burn calories!  At ONE Nation Fitness you can expect an energetic, endorphin-boosting workout in a safe, inspiring, and inclusive environment. Just show up ready to sweat and have fun, and we will take care of the rest. Did we mention the great playlists?!
We also offer Introductory CrossFit classes on Sundays.  Come ready to learn some new movements, meet some new friends and get an amazing workout in!