Swimming at the 1972 Summer Olympics – Men's 100 metre butterfly
The men's 100 metre butterfly event at the 1972 Olympic Games took place between August 30 and 31. This swimming event used the butterfly stroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool. Results. Heats. Heat 1 Key: Q = Qualified Heat 2 Key: Q = Qualified Heat 3 Key: Q = Qualified Heat 4 Key: Q = Qualified Heat 5 Key: Q = Qualified Semifinals. Heat 1 Heat 2 Final. Key: WR = World record Swimming