 Complete the following phrase:  Marko Račič born April 25, 1920 is a Slovenian athlete who participated in the 1948 Summer Olympics in London, England. Representing Yugoslavia, he advanced to the semi-finals of the mens 400 metre competition, but did not make it beyond the opening round of the mens 4 x 400 metres relay. A local and state sprinting record holder, Račič competed internationally for many years and made appearances at the 