Can The Chicago Marathon Get Back In The World-Record Game?

Man, it's rough work to make a world record happen in the marathon. Dennis Kimetto's freshly minted 2:02:57 took a whopping 26 seconds off the previous mark, but think about it—that relatively large improvement works out to a blink per mile, one step in a pothole, a hamstring twinge, a gust of wind. The variables are… » 10/09/14 1:10pm 10/09/14 1:10pm

This Bike Made from Kevlar and Fiberglass Might Be the Fastest Bike Ever

It doesn't even look like a bike but according to the wild mind of world-renowned cyclist Graeme Obree, it might be the fastest bike ever. Made from kevlar and fiberglass, the Beastie will be used at the World Human Powered Speed Challenge where Obree wants to break the world record of 82.8 mph. 83 miles per hour on… » 7/02/13 10:30pm 7/02/13 10:30pm