They only won one #266
Clues: three countries in Europe, one in Africa, one in Asia. The three European countries all have the same last letter.
The athletes names: Aleksandr Averbukh, Virgilijus Alekna, Erki Nool, Stephanie Graf, Francoise Mbanga-Etone
Their events: Women's Triple Jump, Women's 800m, Men's Decathlon, Men's Discus, Men's Pole Vault