Greg Castro


Substitute Coach



Greg is a CrossFit Trainer (CF-L2) with a B.S. in Journalism. He was trained by the renowned distance running coach, Mark Wetmore, and ran cross country and track for the University of Colorado Buffaloes. After graduation, he went on to run multiple marathons. Greg works with the Competitor program and is a substitute coach for group classes.

Coaching Credentials

  • CrossFit Level 2 Coach (CF-L2)
  • Competitors Course


Boulder, Colorado


  • University of Colorado – B.S.

Athletic Background

  • College running
  • Distance running
  • Skiing

Contact Greg: