Ask Mario

There's not a cut-and-dry answer, but there are warning signs that your shoes need replacing.

Fartlek, the Swedish word for "speed play," is funny to say—but this workout is no joke!

Mario Fraioli explains how to fit strength training sessions into your weekly schedule.

Prioritizing key workouts can help mitigate some of the scheduling stress, especially when the busyness of life gets in the way of a run.

Editor and running coach Mario Fraioli talks about how to properly tackle a winter run.

A good look at when hard workouts are appropriate for new runners.

Senior editor Mario Fraioli explains where and how to do hill workouts if there are no hills where you live.

Fire up your fast-twitch muscle fibers and power through your next race or speed workout.

It's important to give your body the rest it needs after a race, writes Mario Fraioli.

Is having your own drink worth the hassle of carrying a bottle the whole race?

Senior editor Mario Fraioli explains how to layer for cold-weather runs.

Your footwear needs often depends on the terrain you're running on.