Complex sentence: She was the 1st runner up at that same state pageant the year before and went on to be the 1st runner-up at the Miss Universe pageant, won by New Zealand's Lorraine Downes.
Split into simpler sentences: She was the 1st runner up at that same state pageant the year before. Hayek went on to be the 1st runner-up at the Miss Universe pageant, won by New Zealand's Lorraine Downes.