Complex sentence: A triple gold medallist at the 1950 British Empire Games, Treloar made the 100m final at the 1952 Summer Olympics finishing sixth--just 0.1 behind the winner--in the closest finish in Olympic history.
Split into simpler sentences: A triple gold medallist at the 1950 British Empire Games, Treloar made the 100m final at the 1952 Summer Olympics. In that race, he finished sixth--just 0.1 behind the winner--in the closest finish in Olympic history.