@thegravgear: Most runners hit the gym for strength. But what if your only gym is a pull-up bar? 🏃♂️💪 Calisthenics builds strength, mobility, and joint resilience where all things that runners need. Pair it with smart running, and you’ve got the recipe for a strong marathon engine. 🏅 Have you ever combined the two? Drop your experience below. #marathon #calisthenics