The 5K is one of those sweet-spot races: It’s a great starter race for new runners yet it tests the speed limits of even advanced marathoners. You can find a 5K near you on most weekends of the ...

BJ Fogg, a social scientist at Stanford University and author of Tiny Habits: The Small Changes That Change Everything, ...

The day of your PR attempt, get fired up. Right before my 5K runs, I listen to Eric Thomas’s motivational speeches. His over-the-top style (“You have to want to succeed as bad as you want to ...