Challenge your strength. Stretch your body. Breathe easy.

Our team of world-class instructors will empower you to grow and achieve all of your fitness and wellness goals.

Stacey Vachon

  • BS Exercise Physiology, University of Southern Maine | FMS-Level 2 Certified Functional Movement Screen 
  • NSCA- Certified Personal Trainer  | BFR Certified 
  • CFX Certified Master Instructor
  • BJ Huttner - Certified Mat Pilates |  Fit Bodies Instructor
  • Fitour -Yoga Instructor

Stacey Vachon a Fit Bodies Instructor. She is the owner of CORE V3 Fitness & Co-owner CORE V3 Virtual. She began her fitness journey as a soccer player in Maine and graduated with a B.S. in Exercise Physiology. Stacey now lives in Vail, Colorado with her two kids with a strong life focus on health and fitness. As a top fitness instructor, Stacey built her career training coaches, athletes, and clients at all skill levels. With over 15 years of experience, she brings her extensive knowledge into creating programs that are designed to challenge her clients to go beyond what they believe is possible. Stacey’s positive, creative and hard-working energy helps clients gain confidence and improve mobility.

Stacey, having undergone a procedure for heart complications, understands the importance of post-surgery and rehab fitness to help clients regain movement and confidence. Her passion for fitness drives her to continue learning new skills and obtain qualifications that will allow her to help a wide variety of clients. Whether you are an elite athlete trying to meet your goals or someone who is relatively new to fitness, Stacey can build an effective, individualized plan that incorporates core stability, cardiovascular exercise, flexibility and proper nutrition. When she’s not inspiring clients to be their best, Stacey brings her competitive energy outdoors as she has fun split boarding up a mountain, wake surfing, or mountain biking and fitness competitions.

She is always up for a challenge and loves making fitness fun!  

Favorite Quote: Live like you were dying

Kathy Gendelman

  • NFPT-Certified Personal Trainer | FAI-Certified Functional Aging Specialist | CETI- Certified Cancer Specialist
  • AGTC-TRX Certified Coach |  Fit Bodies Instructor
  • NETA-Certified Pilates & Reformer | SCW-Certified Virtual Coach | CFX Certified Master Instructor
  • TRX-Qualified Yoga & Golf 
  • RYT - 200 Yoga Instructor

Kathy Gendelman is a Fit Bodies Instructor & Coach Trainer. She has been an established fitness professional, doing both virtual & in-person group fitness and personal training. She is currently the Owner of CORE V3 Fitness, Philly & Co-Owner of CORE V3 Virtual. She began her fitness career working with the Penn State Football team, swimming for Penn State, on both the swim and synchronized swim team, and coaching Special Olympics swim and ski teams. Her background spans over 30 years in education; she graduated with a B.S. in Special Education from Penn State, and a M.Ed. in Educational Administration from Arcadia University, and is a Doctoral candidate at Widener University. She now resides outside of Philadelphia, Pennsylvania, with her two children that both share her passion for health, wellness and fitness. 

Her experience is a blend of group fitness, small group bootcamp, and personal training with a high focus on individuals that are looking to find their mojo, getting back, or just started on their fitness journey. She is sought after for her special niche with Adaptive Fitness and Functional Training with the Active Aging populations. Her functional approach to fitness has Kathy creating workouts that are fun and creative for all ages, sizes and abilities; and, programmed to get you stronger, healthier and leaner in a safe, progressive format.  Kathy understands the importance of maintaining good health and positivity throughout life's journey, especially when dealing with life-threatening diseases such as cancer. She loves working with females who are over the age of 45 who are looking to get their mojo back or just workout like a "girl!" Kathy enjoys creating fitness programs and aspires to promote positivity while coaching other coaches and creating new routines. Whether you want to get more active at home, tone muscle, lose weight, increase your strength, mobility or balance, her workouts will help you not only achieve the results you are looking for; but, maximize your results and maintain them. When she is not training or coaching others, she can be found traveling, skiing, scuba diving, at the beach, enjoying the outdoors or at fitness conferences.

Favorite Quote: Me vs Me; You vs You!