Endurance

Grab a pal and head outside to tackle this built-for-two routine.

This workout mixes low-impact stair-stepping with high-intensity interval training.

This HIIT routine reimagines the treadmill jog, burning fat and building endurance in a quick workout.

Power up your legs, core, and back before heading out on your next hike.

A hardcore workout that will prep you for surviving in the wilderness, escaping danger — or handling everyday household chores.

Metabolic resistance training will build muscle, boost your metabolism and burn off unwanted fat.

Sometimes the best way to track your progress toward your fitness goals is to pick a test and make it a regular part of your regimen. Which benchmark assessment you choose depends on what you want to measure.

Oodles of noodles aren't the only secret to successful pre-race fueling. Here's a closer look at how to maximize your energy supply.

You've got a heart-rate monitor, but do you know how to use it? With a little guidance you can tap into your monitor's full potential – and get closer to reaching your own.

Use proper breathing to go longer, get stronger and give your workouts extra oomph.