🏃♀️ Emma broke her limits by training her mind, not just her body. 💥 A Stanford study shows mental focus boosts endurance by 15%! 🧠💪 Endurance starts in the mind.
#MindOverMatter #EnduranceTraining #FocusTips #RunnerMotivation #MentalStrength #FitnessMindset #VisualizationPower