Cooper Lutkenhaus, the 16-year-old high school star who shattered his own U.S. 800m high school record and broke the 800m U18 world record with a 1:42.27 runner-up finish at last month’s U.S. Outdoor Track and Field Championships, has opted to forego all of his remaining high school and collegiate eligibility to turn professional and sign a contract with Nike. The decision comes before he is set to race the 800m at the World Championships in Tokyo next month and makes history as the youngest American ever to represent the U.S. at a World Championship. “I’m just super excited and blessed for the opportunity,” Lutkenhaus tells CITIUS MAG. “To be able to run professionally at such a young age is not very common, so to be represented by the best brand is very exciting.” Lutkenhaus will remain enrolled at Northwest High School in Texas, where he’s beginning his junior year. He is represented by Ray Flynn and Flynn Sports, who have also represented top high school stars over the past 30 year...