alwlth on Instagram: "Red Bull 400 – the world’s hardest 400 meters. 💪🔥 From the bottom of a ski jump, straight up to the sky — it’s not running, it’s survival. 🏃‍♂️💨 Every breath burns, every step feels heavier than the last. Most quit halfway... but the strongest keep climbing. Finishing this in 3:04 minutes sounds unreal — I barely made it in 5:31, and it was brutal! 😮‍💨 But that’s the point: no progress without pain, no growth without limits. 👉 Keep testing your limits. Try new challe

Leg Workouts for Runners: Top 8 Exercises for Strength and Speed —