How To Build Aerobic Fitness

If you want to build your aerobic fitness: long slow workouts are not the only way. A lot of people think long cardio workouts = low intensity. And short cardio workouts = high intensity. Instead, I use this framework:

  • Sustainable - If you can repeat the pace, and effort, time and time again, then you are doing aerobic work, also known as cardio.

  • Unsustainable - Higher efforts at a pace that you purposefully cannot hold on to. Eventually, you start to see your power decrease. This is anaerobic work.

Sustainable work helps you:

  • Build cardiovascular health