Teen Lutkenhaus keeps meteoric rise on track with 800m US title

(In paragraph 1 removes incorrect reference to time being personal best)By Amy TenneryNEW YORK, July 26 : Teenager Cooper Lutkenhaus capped his summer school break in spectacular fashion on Sunday, the 17-year-old claiming the U.S. 800 metres title in 1:43.48 as his rapid rise continued.He navigated around the outside of an experienced field at Icahn Stadium, slamming his foot on the gas with 200 metres to go before breaking the tape more than a second ahead of Wes Ferguson (1:44.55), while Hobbs Kessler took third in 1:45.00. Lutkenhaus, who begins his senior year of high school in just three weeks, said he had extra motivation to do well as he is unlikely to race again until the winter indoor season. "I was like, I really want to end it on a bang because when we hit about month three or