Korir’s moves, choreographed to music, demonstrated his ability to move with precision and rhythm – and watching these videos left us asking two questions. Why is step aerobics important to Korir, who ...

Relatively simple yet effective exercises are often particularly popular. Step-ups definitely fall into this category, primarily training our glutes and legs. They also burn calories at the same time.

After John Korir won the 2025 Boston Marathon, runners flocked to his Instagram to learn more about the 28-year-old’s training. Yes, there were the typical postrace photos with trophies and training ...