<Li> Tennis (2) </Li> <Li> Weightlifting (2) </Li> <Li> Wrestling (1) </Li> <P> The athletics events had the most international field of any of the sports . The major highlight was the marathon, held for the first time in international competition . Spyridon Louis, a previously unrecognised water carrier, won the event to become the only Greek athletics champion and a national hero . Although Greece had been favoured to win the discus and the shot put, the best Greek athletes finished just behind the American Robert Garrett in both events . </P>

When did other countries start competing in the olympics