skinny.

Latest / Do Hard Things™ with Siegfried Tiegs

FITMAS: Day 7 of 12: Killer Hills

Send us Fan Mail

Welcome back, Do Hard Things Nation! It’s Day 7 of our 12 Days of FITMAS, and today, we're taking our fitness to new heights with the Killer Hill Challenge. Hill running isn't just a change of scenery; it’s a game-changer for your running routine.

Hill running is a powerhouse workout. It’s like strength training and cardio rolled into one. Running uphill challenges your muscles, especially your glutes, hamstrings, quads, and calves, providing an intense strength workout. But that’s not all; it also improves your cardiovascular endurance. Each hill repeat pushes your heart and…

The skinny

The skinny isn't ready yet — notes appear once the transcript is processed.