Training, Elevated

Advantage Training Systems




Allison Westfahl, Founder and Lead Physiologist at ATS

Allison Westfahl is a nationally renowned exercise physiologist, author, and business leader in the fitness industry. After graduating from Yale with a BA in Music, she moved to Colorado to pursue a career in health and wellness. Allison began her career in Boulder, where she ran triathlon training camps for novices and honed her professional expertise in strength training programs for endurance athletes. A lifelong student, she holds certifications from USA Triathlon, National Academy of Sports Medicine, American Council on Exercise, has a MS in Exercise Science, and is currently finishing her MBA from the University of Denver.

Allison specializes in creating strength programs that address chronic pain and injury. In 2008, Allison rehabbed cyclist Tom Danielson through a crippling back injury. They collaborated to write “Tom Danielson’s Core Advantage”, which was published by Velopress and continues to be a staple in the libraries of cyclists around the world.

An avid runner, cyclist, and swimmer, Allison understands that living with pain is not an option. Through customized programs that can be done from your home, she will create a realistic, sustainable plan to help you achieve your goals. She has an empathetic, patient approach to each client and believes that it’s never too late to thrive.

In her spare time, Allison enjoys singing with a professional chamber choir in Denver, losing games of chess to her husband, and experimenting with sitting still.