TERRI SCHNEIDER is a writer, speaker, coach, and sport psychology consultant, and above all, an extreme multi-sport endurance athlete—including being a world-class triathlete for a decade, an elite international adventure racer, and a mountaineer. She has co-authored numerous books, including Triathlon Revolution and Triathlete’s Guide to Mental Training. Her writing contributions and interviews have been featured in over 100 publications and websites around the world including Time, Rolling Stone, Runner’s World, Triathlete, Cosmopolitan, Oxygen, USA Today, and The New York Times. She is the author of Dirty Inspirations, Swimmer’s Workout Handbook, Runner’s Workout Handbook, Cycling Workout Handbook, and Triathlon Training Handbook.