Sports Illustrated unveiled its list of fittest athletes in 2018 and eight pro runners made the cut. Here's a look at why they're worth mentioning.
We sat down with Deena Kastor to discuss this year's Chicago Marathon, her secret to lasting success and what makes this event so special.
On October 7, elites will head to the Windy City for the 2018 Chicago Marathon. Who will win, who will podium and who's story will cause a buzz on race day?