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.

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

High-Intensity Interval Training (HIIT) has become one of the most effective fitness strategies in the United States for improving health, boosting performance, and transforming the body in less time.

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Many of us would like to be in better shape. Making small tweaks to daily habits or workouts can make all the difference. With new fitness and diet fads popping up on the regular, deciding which ...

The 5K is a staple in many runners’ racing schedules, and training for one comes with its own unique strategies for interval workouts, long runs, nutrition, and recovery. All of these factors are ...

Supervised high-intensity interval training (HIIT) over 5 years reduced the risk for rapid decline in estimated glomerular filtration rate (eGFR) in community-dwelling adults aged 70-77 years.

High intensity interval training could be the secret to staying young. — -- Exercising by doing interval training, not weight lifting, could be the secret to staying young, according to a new ...