Interval training has gained enormous popularity in recent years because it offers great results for health and fitness in a shorter time frame than other workouts if done right and with consistency.

Most solid training plans include a weekly speed workout, often in the form of intervals. But the length of those intervals usually depends on your race distance, training goals, and fitness level.

Please provide your email address to receive an email when new articles are posted on . Short-interval high-intensity exercise improved peak VO 2 more vs. moderate-intensity training after stroke. A ...