High schooler Cooper Lutkenhaus, all of 16 years old, nearly beat him. A native of Justin, Texas, Lutkenhaus finished just ...

There's probably no high school student who will have a better answer to 'how was your summer?' than Cooper Lutkenhaus. He's entering his junior year and will b ...

Next month in Japan, Lutkenhaus will become the youngest American ever to compete at the World Athletics Championships, surpassing former U.S. distance runner Mary Cain, who was 17 when she ran the ...