Complex sentence: In 1973, Galloway set an American ten-mile road race record, posting a time of 47:49, and was a member of the U.S. National Track and Field team in Europe, Russia and Africa.
Split into simpler sentences: In 1973, Galloway set an American ten-mile road race record, posting a time of 47:49. He was a member of the U.S. National Track and Field team in Europe, Russia and Africa.