Defiance Strength and Conditioning

Defiance Strength and Conditioning is a strength and conditioning gym in Glenwood Springs, Colorado, offering small-group functional fitness training built around lifelong strength, health, and endurance. The business combines weight and cardio training with expert coaching and a personalized approach that supports beginners, athletes, and older adults alike. Its community-focused environment serves members ranging from children to seniors, including people training for everyday wellness as well as goals such as ultra races, mountain summits, and ski traverses.