Complex sentence: It also set a set a world women's speed record over a closed 200 km (124 mi) course, set a Yugoslavian national distance record and won the two seat Yugoslav national championships in 1955.
Split into simpler sentences: It also set a set a world women's speed record over a closed 200 km (124 mi) course, and a Yugoslavian national distance record. It won the two seat Yugoslav national championships in 1955.