Lauren Closic

Lauren Closic


Donna Pierce and Lauren Closic have worked in the fitness industry for a combined 47 years, 19 years literally side by side.

Melding their expertise and certifications in various aspects of the fitness industry with the functional training of CrossFit, they have dialed in a niche in the industry like no others. Their passion stems from their own achievements in overcoming obstacles that were thrown at them. They each have their own individual story but they come together, along with the team of coaches, with the drive and determination to help people accomplish things they never thought possible as well as to overcome mental and physical obstacles in life that restricts people from living their best life. Using CrossFit functional training along side of their medical, post-rehab, general conditioning, and sports training backgrounds, they have helped train people from infancy to older adults and everywhere in between.

We truly train to train to LIVE at Arenal Fitness.

In addition to being Level 1 CrossFit instructors, Donna and Lauren also hold the following certifications: Take out mudchasers

  • CrossFit Kettlebells
  • CrossFit Mobility
  • CrossFit Olympic Lifting
  • CrossFit Kids
  • CrossFit Football
  • Conditioning Exercise Specialists
  • Post-Rehab Exercise Specialists
  • Medical Exercise Specialists