Factors like nutrition and muscle strength and size are all involved when it comes to your running speed, and your genetics ...

When cold, dark, rainy, or icy conditions make it tough to get outside, the obvious option is to hit the treadmill. The good ...

Here are our top picks. One minor downside: Ookla displays banner ads while you run basic speed tests. It's not a huge deal, although it might slightly impact your results, depending on the ...

Train to increase your speed in four weeks with a mix of interval workouts, easy runs, and long runs—all of which you can do ...

Many sports are almost unrecognisable to what they were a generation or more ago, and speed is one of the biggest factors in ...

The XB-1 demonstrator has broken the speed of sound, hitting Mach 1.1. It is the first civil supersonic aircraft in US history and the first to do so since Concorde was retired in 2003. That was an ...