Complex sentence: He won three silver medals at the Olympic games: the tandem race at the 1908 Summer Olympics in London, plus both the individual sprint the team pursuit at the 1920 Summer Olympics in Antwerp, Belgium.
Split into simpler sentences: He won three silver medals at the Olympic games. The tandem race at the 1908 Summer Olympics in London, plus both the individual sprint the team pursuit at the 1920 Summer Olympics in Antwerp, Belgium.