Mihaly Csikszentmihalyi was a bestselling author, world-renowned researcher, and one of the fathers of positive psychology. His seminal work, Flow: The Psychology of Optimal Experience (1990), was a New York Times best seller and introduced the concept of flow to mainstream audiences. Once the head of the psychology department at the University of Chicago, Csikszentmihalyi founded the Quality of Life Research Center at Claremont Graduate University. His work has influenced figures such as Bill Clinton and former British Prime Minister Tony Blair. Csikszentmihalyi wrote more than 120 journal articles and book chapters and authored a dozen books related to positive psychology. He researched flow and motivation as the founder and codirector of the nonprofit Quality of Life Research Center. Csikszentmihalyi passed away in 2021. Philip Latter is the coauthor of Faster Road Racing (Human Kinetics, 2015) with two-time Olympian Pete Pfitzinger. A former senior writer for Running Times and current contributor to Runner’s World and runnersworld.com, Latter has profiled more than a dozen Olympians and written extensively on training methodology, exercise science, and sport psychology. He regularly lectures on flow at summer running camps and has used many of the techniques described in this book with the high school, college, and post collegiate athletes he coaches. A runner for almost two decades, Latter earned five all-conference honors at the University of North Carolina at Asheville and holds personal bests of 14:47 for 5K, 31:24 for 10K and 1:12:11 for the half marathon. A former NCAA Division I head cross country coach at Radford University, Latter coaches runners at Brevard High School in the Blue Ridge Mountains of western North Carolina. He lives just outside of Brevard with his wife and two daughters. Christine Weinkauff Duranso is a professor of psychology at both Woodbury University in Burbank, California, and California State University at San Bernardino. As a PhD student at Claremont Graduate University, Weinkauff studied under the mentorship of Mihaly Csikszentmihalyi and focused her research on the role of flow and exercise and how they contribute to thriving. Her dissertation considered how exercise, flow, and nature strengthen resilience and enhance well-being for college students. Weinkauff has completed races ranging from 5K to marathon distance and has ventured into the triathlon world. She enjoys speaking to various groups about the role of flow and exercise in well-being and how flow can provide the motivation to persist in new exercise endeavors. A mother of four, she lives in Claremont, California, with her three youngest children.