Kelvin Kiptum Breaks Men’s Marathon World Record in Chicago
Wall Street Journal
The 23-year-old Kenyan’s 2:00:35 lowered the mark set by Eliud Kipchoge, as the sport intensifies its hunt to break two hours in an official race.
https://www.wsj.com/articles/kelvin-kiptum-marathon-world-record-eliud-kipchoge-f12622ed