When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Countdown Interval Timer is a fitness app available for Windows 10 PC and Mobile that is designed ...

Runkeeper was placed on Earth by supreme beings of some sort. Its programmable, GPS-tracked interval runs make the iPhone into a serious, and entirely thoughtless, training tool. But Runkeeper’s ...

The Bit Timer iOS app uses three color-coded sliders to set workout exercise and rest times, as well as how many times the workout repeats. The Bit Timer iOS app uses three color-coded sliders to set ...

As a runner, you probably dedicate most of your attention to the work you put into training. But there’s another element of training that deserves just as much attention: rest. This not only includes ...

How long you should rest between resistance training sets will vary depending on whether you want to grow your muscle mass, lose weight, or improve your strength, power, or endurance. Resistance ...