After John Korir won the 2025 Boston Marathon in 2:04:45, runners flocked to his Instagram to learn more about his training.

John Korir regularly heads to a step aerobics class. Here’s why and how you can get the same benefits at home.

Step aerobics is excellent for improving cardiovascular fitness _ right up there with running and jogging. The activity can also accommodate many fitness levels at the same time since the ...

Get a leg up with this no-aerobics step routine . by Amy Roberts Published: Jan 15, 2014 4:07 PM EST. Save Article. Media Platforms Design Team.