Eritrea competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil, from 5 to 21 August 2016.
Competitors Nebiat Habtemariam and Athens 2004 bronze medalist Zersenay Tadese both returned for their fourth Olympic appearance.
Eritrea left Rio de Janeiro without a single Olympic medal for the third consecutive time.
Ghebreslassie missed out on the nation's second medal at the Olympic Games, finishing fourth in the men's marathon.
The highest number of Eritreans participating at any single Summer Games was seven at the previous London 2012 and Rio 2016.