I added sprints to my runs for 30 days… my mile time dropped 45 seconds
Ever feel like your runs are stuck in a rut? It’s time to rev up your routine with a game-changer: sprint intervals. These high-intensity bursts aren’t just for elite athletes – they’re your ticket to a fitter, faster, and more efficient you. Let’s uncover the secrets of how adding sprint intervals to your runs can … Lire plus