Personal Training is great for those with busy schedules, enjoy a one-on-one environment, or want to perfect a skill. With private training you are able to schedule your own time with any of ONE Nation's professional trainers. Private training is also a great way to develop a personal relationship with a coach to achieve your goals together.

ONE Nation offers personal training both on and off site for athletes of all ages & skill levels. Our coaches offer private and personal training both on & off site. Contact us to be paired up with a coach that meets your needs, to come see the facility, or to learn more about our programs. Or contact one of our coaches directly to begin setting up your first session!



Reach out to us to talk with a coach about personal training and to learn more about the below offerings: 

  • Private Onsite training

  • Private At Home training

  • Private Kids training

  • Small Group Training


Kevin McCarthy

Kevin is our Head Coach of our Boston facility and has been coaching CrossFit for just over 6 years. He is a Certified CrossFit Trainer (CF-L3), has a BS in Exercise Science, and is Precision Nutrition L1 Certified. He specializes in CrossFit/functional fitness and Olympic Weightlifting. If you're looking to improve your capacity in multiple domains, have an intense and fun session, or work on dialing in your Olympic lifts, Kevin is the coach for you! 


Katelynn Patterson

Katelynn comes with 5+ years of Crossfit experience and a lifetime worth of experience with sports. Katelynn grew up playing basketball, and found her love of CrossFit her freshman year of college. She completed a CrossFit internship with both Catamount CrossFit in North Carolina, as well as CrossFit One Nation Boston. 

Katelynn coaches at both Boston and Needham locations. She has an array of experience, from coaching youth athletes who are just starting out in the gym, too competitive athletes looking to make it to the next level. Her favorite part of coaching is ensuring that everyone is comfortable and enjoys their time in the gym, as well as their overall experience in class!


  • CrossFit Level 1 Trainer

  • Minor Degree in Coaching

  • Kids Class Manager

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