None of the Belgian swimmers advanced to the finals in their individual events; two reached the semifinals.

Belgium had the misfortune of meeting eventual gold medalists Great Britain in the quarterfinals, though this misfortune was mitigated by the use of the Bergvall System in the tournament (giving Belgium an opportunity to take silver even after this defeat).

The Belgian squad gave the British side the greatest challenge the latter faced all tournament, taking the match into extra time before falling.

They then beat the losing finalist Austrians to set up a match against Sweden for the silver and bronze medals.

Jules Patou, who had also competed in 1908, was the only Belgian cyclist and did not finish the time trial.

Gerstmans, competing in the heavyweight class, lost his first two matches and was quickly eliminated.