The Fast Bananas RUNsource 2024 photo by Alan Lam If you're looking to get stronger, faster, and more efficient — without stacking on a ton of extra miles — hills are your shortcut. They’re simple, effective, and backed by science. Whether you’re prepping for a trail race, marathon training, or just want to run with more confidence and power, adding hill workouts to your week is one of the smartest things you can do. Why Hills Work: The Research Uphill running fundamentally c