Complex sentence: In 2002, Drummond was fourth in 100 m and won the 4x100 m relay in the IAAF World Cup and at the 2003 World Championships, he was disqualified in the quarterfinals of 100 m for a false start.
Split into simpler sentences: In 2002, Drummond was fourth in 100 m and won the 4x100 m relay in the IAAF World Cup. At the 2003 World Championships, he was disqualified in the quarterfinals of 100 m for a false start.