Kotarski Endurance Training, LLC

The KET Fitness MultiSport Training Center is Open!

Burn those calories and build that core! Sign up for 10 Personal Training Sessions and receive 2 free!!

Specializing in a blend of evidence based training and customized planning. Mark Kotarski has been transforming goals into realities for over 25 years and he understands the challenges involved in achieving fitness related endeavors.

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Where the Commitment is You!
2014 Personal Records: 23!

Now at 900 Airport Rd in West Chester,Pa!
Why KET?
  • Individualized Training Plans
  • Personal Training
  • Realistic Goal Setting
  • Frequent Communication
  • Group and One-on-One Sessions
  • Training Plans with Training Peaks
  • Motion Analysis Using Kinovea
  • Nutritional Guidance
  • International Coaching Experience
“Mark has a good sense of who you are and where you are in your development”…Mack H.
“There are many reasons why I like working with Coach Mark”…Caroline G.



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