Complex sentence: Salazar was also the U.S. national cross country champion in 1979 and fared well at the IAAF World Cross Country Championships, finishing second in 1982 and fourth in 1983.
Split into simpler sentences: Salazar was also the U.S. national cross country champion in 1979. He fared well at the IAAF World Cross Country Championships, finishing second in 1982 and fourth in 1983.