Hofheimer says that race pace workouts are a great time to practice good running form, as well as fueling for marathons. Running at race pace not only makes you faster but helps you avoid GI issues on ...

Want to run faster, avoid injury, or build consistency? We have workouts for you.

Step one foot behind you. Bend both knees to 90 degrees to lower down in the lunge. Pause for a moment, then press through ...

Plus, the surprising benefits of turning the intensity down a notch.

HIIT is not the only or the best way to improve your cardio endurance and heart health. Steady, repeatable exercises can ...

Burpees are a popular exercise, but they can put a lot of stress on your joints. You can swap burpees for other lower-impact ...

Consider the following workouts if you are focused on building leg muscle stamina while improving your cardio scores. These are ideal for those with strong legs but lack endurance in their heart, ...

Apple Fitness Plus covers everything including classes, narrated walks and challenges.