There’s a reason that well-developed training plans don’t immediately kick off with sprint workouts or 18-mile runs: The body needs time to gradually adapt to the demands of training. Periodized ...

Whether your goal is your first 5K or an ultramarathon, you want to follow a training plan. And every good training plan has one thing in common: phases. Each training phase—base, build, peak, taper, ...

Welcome to Climbing's yearlong Training Bible. This complete eight-phase training series will coach you through specific workouts based on periodization, a proven approach to training that results in ...

A personal trainer can offer fitness tips and advice while introducing a variety of exercises to your routine. Here are 9 reasons you could benefit from having one yourself. You may be wondering ...