Nike helping runners attempt sub-two hour marathonThis weekend, Nike will stage an intriguing human experiment with the hopes of breaking the two-hour barrier for the marathon.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceThis weekend, Nike will stage an intriguing human experiment with the hopes of breaking the two-hour barrier for the marathon.Add us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished May 5, 2017 | Modified May 5, 2017SI STAFFShare on FacebookShare on XHome/Edge