Don Rose, Ph.D., is a late-in-life endurance athlete. He has completed a number of epic endurance events across multiple sports. He completed various half-marathons, marathons, triathlons across distances from sprint to Ironman, and numerous road and mountain bike endurance events. As a scientist, he has taken an analytical and methodical approach to his training and racing. Besides, Don has devoured dozens of books on nutrition, training, and the science of endurance sports and read numerous scientific papers. He has combined his extensive knowledge with his sports experience to develop a practical approach to being a successful mid-life (now late mid-life) endurance athlete. Don chronicles his experiences in his blog MidLifeFitnessCrisis.com.