The men's 800 metres event at the 2003 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zawisza Stadion on 17 and 19 July.
[1][2][3][4] 19 July 17 July Qualified: first 2 in each heat and 2 best to the Final According to an unofficial count, 20 athletes from 13 countries participated in the event.