Welcome to Living Active, the website for people who want to improve their health and lifestyle. Our mission is to help you adopt or maintain good fitness and nutrition habits and enjoy life, not only for today but also for years to come.

Choosing Living Active as your partner and guide in reaching your fitness and nutrition goals is an important step. We invite you to read about our programs, watch our videos, and contact us with any questions you have.

Mark Duval

This is not a sprint.
You are in it for the long run.

— Mark Duval, Living Active Founder

Mark Duval heads up our Living Active team. He is an innovative leader in the fitness field. Named by the San Francisco Chronicle as one of the “Top Ten Trainers in the Bay Area,” Mark is a sought after wellness coach to individuals and companies.

For over two decades Mark has combined his knowledge of anatomy, physiology and movement with proven motivational strategies to help individuals lead happy and healthy lives. His Living Active programs go beyond traditional workouts to fill an unmet need in the fitness field. They focus on practical and long-term strategies for health and well-being.

Mark has successfully transformed the lives of thousands of people. He is a passionate leader whose expertise and personalized coaching have earned him the respect and admiration of clients and colleagues alike.

Success Stories


Mark is really fun to work with. I sometimes forget I'm working out, but by the next day, my muscles tell me otherwise.
— Bridget