Marathon world record-holder Kelvin Kiptum and his coach died in a car crash in Kenya late Sunday, a fellow athlete who went to the hospital and saw Kiptum's body said. Kiptum was 24 and on course to be a superstar of long-distance running. Kiptum and his Rwandan coach Gervais Hakizimana were killed in the crash at around 11 p.m., said Kenyan...