The men's 100 metre breaststroke event at the 1968 Summer Olympics took place between 18 and 19 October in the Alberca OlÃÂmpica Francisco Márquez. This swimming event used the breaststroke. Because an Olympic size swimming pool is 50 metres long, this race consisted of two lengths of the pool.
Heat 1
Heat 2
Heat 3
Heat 4
Heat 5
Heat 6
Key: OR = Olympic record