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 ...

After John Korir won the 2025 Boston Marathon in 2:04:45, runners flocked to his Instagram to learn more about his training. Here, among the photos of post-race celebrations, trophies and training ...

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 ...

Workouts ‘I’m a personal trainer with clients in their 90s' — here’s a typical workout I use to maintain muscle mass, support joint health and build functional fitness Workouts Can just 15 minutes of ...