Lungs burning, legs ceasing up – no one actually enjoys interval training. Pushing through the pain is the only way to unlock faster PBs and achieve a higher level of fitness ...

Using the power duration curve, we can further break down iLevels into specific time and intensity targets to give the coach or athlete even greater actionable intelligence to identify the optimal ...

Pyramid intervals are the secret of successful runners! In the world of running, there are numerous training methods aimed at ...

Once upon a fitness goal, a young girl spent hours upon hours on the treadmill, one 30-minute steady-state workout at a time. She wanted to lean out -- aka lose body fat to improve muscle tone -- and ...