ROAR: How to Match Your Food and Fitness to Your Unique Female Physiology for Optimum Performance, Great Health, and a Strong, Lean Body for Life (Paperback)

“Dr. Stacy Sims is a singular voice and an epic intellectual talent in the health and fitness world. As former professional athletes turned fitness entrepreneurs, we have found that her insights into the unique interworkings of the female athletic body were a total game changer. ROAR will help athletes everywhere become faster, stronger, and healthier.”—Juliet and Kelly Starrett, New York Times bestselling author, and cofounders of San Francisco CrossFit and MobilityWOD

“Dr. Sims has taken her years of experience as an endurance athlete and scientist to create the ultimate guide to nutrition and performance for female athletes. No matter what your sport of choice is, ROAR is a book that no athlete should be without.”—Shaluinn Fullove, two-time U.S. Olympic Marathon Trials qualifier

"Having completed over 56 Ironmans, I can say with certainty learning how your body reacts to high endurance training and racing never stops. It’s discouraging to prepare for a race and have it derailed, not because you didn't do the work, but because your body didn't respond on that particular day. Dr. Sims will show you how you can take the steps to toe the start line with the best chance of delivering your maximum potential!”—Meredith B. Kessler, professional triathlete

"Dr. Sims helped me recover from hip surgery to win a World Championship bronze medal. Her personalized approach to training, recovery and nutrition can unlock an athlete's potential to achieve next level goals. Now all active women have access to the same groundbreaking information that made a significant impact on my career."—Lea Davison, Professional mountain bike racer and Olympian

"An enlightening guide [for women] to fueling and strengthening themselves for peak fitness. . . . This book is a must for female athletes."—Publishers Weekly 

“Dr. Sims has helped me manage the physical and mental stress that comes with my intense level of cycling. ROAR will help every athlete understand what is happening to her body and what the best nutritional strategy is to perform at her very best.”—Evie Stevens, Olympian, professional road cyclist, and current women’s UCI Hour record holder