Erin Beresini

Erin Beresini

Author's Bio

Erin Beresini (@eberesini) is Outside's Fit List columnist, and author of new book Off Course: Inside the Mad, Muddy World of Obstacle Course Racing. She lives in Los Angeles with 10 bikes and a dresser full of spandex. (Website:

Your GPS Is Lying to You About Distance

In September, researchers from Austria and the Netherlands published a study that explored the fallibility of the navigation devices. But while the paper points out some interesting facts, those...