Complex sentence: Rutger Smith (born July 9,1981 in Groningen) is a Dutch athlete competing in shot put and discus throw, the first athlete to win medals at World Championships in both events.
Split into simpler sentences: Rutger Smith (born July 9,1981 in Groningen) is a Dutch track and field athlete competing in the shot put and discus throw. He was the first athlete to win medals at the World Championships in both events.