


Before beginning another training cycle, she analyzed her bloodwork with InsideTracker to learn more about her body. But after one 100-miler, she found herself struggling to bounce back both physically and mentally. Ultramarathoner Crystal Seaver isn’t new to running 50- and 100-mile races in her spare time.

How an Ultramarathoner Uses Blood Tests to Prevent Fatigue Find out how athletes of all levels use blood biomarker analysis through InsideTracker's personalized performance and nutrition system to optimize health and athletic performance and how all athletes can benefit. Athletes can now use blood testing to pinpoint areas to improve and implement effective changes to improve performance. Certain biomarkers like vitamin D and ferritin can directly impact athletic performance while others, like cortisol and creatine kinase, can provide insight into overtraining and injury prevention. Blood analysis provides a unique understanding of an athlete’s health and performance.
