ADDIS ABABA, Ethiopia — Ethiopian marathon standout Yebrgual Melese, a multiple international race winner and one of the country’s respected distance runners, has died after collapsing during a training session, the national athletics federation said Wednesday. She was 36. The Ethiopian Athletics Federation said Melese suffered a sudden medical emergency on Tuesday while taking part in a routine workout in Addis Ababa. Local media reported that efforts to help her began immediately, but she could not be revived. Melese built…