The last Pan American Games champion was Rick Colella of the US .
The men 's 100 metre breaststroke competition of the swimming events at the 1979 Pan American Games took place on 2 July at the Piscina Olimpica Del Escambron .
The last 1979 Pan American Games     champion was Rick Colella of the US .
The men 's 100 metre breaststroke competition of the swimming events at the 1979 Pan American Games took place on 2 July at the Piscina Olimpica Del Escambron .