Complex sentence: He won the junior 110 yd freestyle and butterfly and the 220 yd freestyle and was second in the open 110 yd freestyle, in a muddy pool on the Swan River in the Perth suburb of Crawley.
Split into simpler sentences: He won the junior 110 yd freestyle and butterfly and the 220 yd freestyle and was second in the open 110 yd freestyle. The competition took place in a muddy pool on the Swan River in the Perth suburb of Crawley.