For the first installment in our four-part series on energy, we chat with three-time Olympic track and field gold medalist Tianna Bartoletta about overcoming health challenges, practicing yoga for athletic performance and overall wellbeing, and harnessing energy to bring home the gold. For more conversations on energy and how to channel it when we need it most, check out our July/August issue—or visit yogajournal.com and @yogajournal on Instagram and Facebook.