Gymboss Interval Timer Fitness gadgets don't have to be expensive. For roughly the price of a movie for two, the Gymboss helps keep your workouts on track by letting you know when to start or stop.

Traditional long distance running can be time consuming and usually doesn’t involve higher intensity sprints. Interval running can help you achieve results while still fitting your lifestyle needs.

Add articles to your saved list and come back to them any time. In simpler times, maintaining good health was a matter of joining a gym or lacing up running shoes for a loop in the park. At most, ...