All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Some of the training tools ...

Fitness tests are often used in schools to measure students' cardiovascular and muscular health, and many districts rely on an assessment system called the FitnessGram to conduct those tests. But one ...

Whether it’s your first marathon and you’re not confident about maintaining a specific speed or you have a dozen races under your belt and want reinforcements to nail your BQ or PR, having someone in ...