Few of you are coming to me with a focus on your one mile pace, so we’re looking at running workouts that are going to test your speed and improve your endurance. There are tons of ways to incorporate ...

Despite high ratings among our testers, staff, and even my PT, I never laced up an Endorphin Speed that I liked—until now. I chalk up my distaste of the first three Endorphin Speeds to their fit. Past ...

Your running speed partly comes down to factors you can't control, like genetics, and partly relies on your training. When you purchase through links on our site, we may earn an affiliate commission.

If you’re a newer runner, you’ve likely been bombarded with training plans discussing time on your feet and working on building up endurance and mileage. Maybe you’ve even heard about the benefits of ...