Western States isn’t the biggest trail race in terms of competitors – it sees just a few hundred runners compared to the ...

Other than helping you perform late in the race so you don’t burn out, speed endurance can improve your overall fitness and VO2 max, which can, in turn, improve your running economy, Helms says.

The Western States 100 has remained the most prominent trail race in North America amid a period of big growth, in part by ...

Other than helping you perform late in the race so you don’t burn out, speed endurance can improve your overall fitness and VO2 max, which can, in turn, improve your running economy, Helms says.

Three Chicago area endurance athletes finished the "Super Bowl" of running. The Western States 100 is the world’s oldest ...

Running a distance race – like a 246km ultramarathon – takes extraordinary physical fitness. But however hard they have trained, an athlete’s success hinges on their mental endurance.

Despite having "race" in the name, there's not all that much running in a Spartan Race, particularly if it's wet and muddy outside. ... Saturday: Cardio endurance (e.g., a long run) ...

How endurance running can damage your health. By Jennifer Landa Fox News. Published August 25, 2014 5 ... And the longer the race, the greater the decrease in their heart function.

Then, make a list of your big goals for the race. Even during a 24-hour event, I’d recommend only picking out a handful of things you really want to do, then develop a plan around those things ...

How do you study the upper limits of human endurance? Professor Herman Pontzer of Duke University tracked long-distance athletes running across the country. He talks with NPR's Lulu Garcia-Navarro.

For a one-time event called the Race Across USA, participants would cross the country on foot from California to Washington, D.C., running approximately a marathon almost every day for about 20 weeks.