Complex sentence: Having won the 420 World Championship in 2000 the feeder class to 470, Belcher was given the distinction of carrying the Olympic flag during the closing ceremony of the Sydney 2000 Olympics.
Split into simpler sentences: Having won the 420 World Championship in 2000 the feeder class to 470. He was given the distinction of carrying the Olympic flag during the closing ceremony of the Sydney 2000 Olympics.