Grain Valley sophomore McKenah Sears first picked up a javelin at the start of last year’s track and field season. She’s now an all-state thrower who is returning to the state meet this weekend in Jefferson City. DAVID M. RAINEY/EXAMINER FILE PHOTO
By Bill Althaus The Examiner When McKenah Sears was a freshman at Grain Valley High School last year, she picked up a discus before the…