Researcher and runner Katherine Boere joins Corinne to talk about the connection between physiological depletion and cognitive function in runners. We've all been there: Making wild choices late in races that we swear seemed to make sense at the time. Why do decisions seem to get harder after you've run farther?The two of them dig into:the research around cognitive fatigue in marathons and ultramarathonswhat role low energy availability playsand what it means for how you train, fuel, and recoverBoere is a Ph.D. candidate in the neuroscience program at the University of Victoria and a senior performance researcher at the Nike Sport Research Lab. And much or her research is inspired by her own experience putting in the miles out on the trails.Support our Partners:Injinji: use code  Trailrun15 to get 15% off at https://www.injinji.com/ProBio: Use code Trail20 for 20%-off orders (30%-off + free shipping w/ subscriptions) at https://www.probionutrition.com/rabbit: Visit https://www.runinrabbit.com/ use code: APRILTRAIL for 10% off.Good Ranchers: Subscribe and get $25 off your first order with the code IRON at goodranchers.com Follow Us:@[email protected] in this episode:Good RanchersThis week's episode is brought you by Good Ranchers.  Head over to Goodranchers.com. Use promo code IRON to get $25 off your first order.