破第二部（4K）

After six months of scientifically advanced training, three of the worlds most elite distance runners set out to break the two-hour marathon barrier. [展开全部]

　After six months of scientifically advanced training, three of the worlds most elite distance runners set out to break the two-hour marathon barrier. These pioneers go on a global trek to defy the unthinkable and break the two-hour feat, from testing in wind tunnels and running qiwan.cc labs in the United States, to balancing training with their day-to- day lives in eastern Af...[收起部分]