While talking to my coworker about my Shape Up series, I mentioned I wanted to take a dance class. She swore by Grit Fitness’ step aerobics class, so I signed up for an evening session. I was pumped.

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 ...

Learn how to get your heart pumping with 20 minutes of cardio and strength in this step aerobics workout for beginners. Step aerobics may seem retro, but the fact that people have been knee driving, ...

All products featured on Self are independently selected by our editors. However, we may receive compensation from retailers and/or from purchases of products through these links. If you equate step ...

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 ...