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File photo taken on Oct. 12, 2019 shows Kenya's Eliud Kipchoge crossing the line during the competition of "1:59 challenge" in Vienna, Austria. On October 12, 35-year-old world marathon record holder Eliud Kipchoge became the first person to complete the marathon distance in under two hours, finishing the 42.195km run in Vienna in an unofficial time of one hour, 59 minutes and 40 seconds. (Xinhua/Guo Chen)
