Off-duty Redstone police Lt. Derek Jones and his girlfriend, Molly Shaver, were running the Oak Barrel Half Marathon on April 4 in Lynchburg, Tennessee, with about 1,650 people. About a mile into the run, the unthinkable happened.
A fellow runner collapsed from a heart attack with cardiac arrest.
Jones immediately started CPR on the stricken man, retired Maj. Gen. Lynn Collyar, who was running the 13.1-mile race with his wife, Sarah…