The 2003 IAAF World Cross Country Championships took place on March 29/30, 2003.

The races were held at the L'Institut Équestre National in Avenches near Lausanne, Switzerland.

Reports of the event were given in The New York Times,[1][2] in the Herald,[3] and for the IAAF.

[4][5][6][7][8][9] Complete results for senior men,[10][11][12] for senior men's teams,[10][13][14] for men's short race,[15][16][17] for men's short race teams,[15][18][19] for junior men,[20][21][22] for junior men's teams,[20][23][24] senior women,[25][26][27] for senior women's teams,[25][28][29] for women's short race,[30][31][32] for women's short race teams,[30][33][34] for junior women,[35][36][37] for junior women's teams,[35][38][39] medallists,[40] and the results of British athletes who took part[41] were published.

[41] The announced athletes from the  Democratic Republic of the Congo, from  Guinea,  Lebanon, and  Sierra Leone did not show.