If the 51mm watch is too big (and too expensive), it comes in two smaller sizes as well as a Fenix E, which strips back some of the new features and costs $800. You can also get the Fenix 8 with a ...

HIIT can take your training and performance to the next level. Here’s everything you need to know about this style of training.

Humans aren’t the only natural born endurance runners out there. Here’s a look at the animal kingdom’s finest long-distance athletes ...

Put simply, altitude training involves living and/or running at elevation in order to gain physiological advantages. With ...

Made by blending soaked soybeans with water and straining the solids, soy milk is one of the few plant-based milks with a ...

As Americans were settling in to watch the opening ceremony of the Paris Olympics, the coaches behind some of the country’s best track and field athletes were concerned. That day, July 26 ...

Both Mandje and Murr agree that the three-day-a-week marathon training plan is based on the belief that runners should train ...

Adidas and Nike claimed more than half of the top-10 shoes, but six other brands made it in among the speediest runners.

Distance-based plans can also clue you into your current performance levels. For example, if you run six miles at a hard ...

If you're after long lasting battery life and impressive run tracking capabilities, Coros is the brand for you Actively scan device characteristics for identification. Store and/or access information ...

You might well be familiar with the Yasso 800s workout. Devised by former Runner’s World journalist Bart Yasso, it aimed to ...

From mountain classics to jungle odysseys, here’s our round-up of some of the best, toughest and most enjoyable ultras on the planet ...